38th week of 2014 patent applcation highlights part 30 |
Patent application number | Title | Published |
20140262158 | TWO-PHASE COOLING SYSTEM - Provided is a modular pumped loop cooling apparatus including a cooling module and a pumping module, wherein the pumping module has an inlet coupling for mating with a corresponding outlet coupling of the cooling module when the cooling module is placed atop the pumping module. The modular pumped loop cooling apparatus is provided as a standalone unit that can be coupled to any one of a plurality of heat sinks having different heat loads. The cooling apparatus is therefore scalable to accommodate a wide range of cooling applications so that the apparatus does not have to be redesigned to accommodate a particular system. | 2014-09-18 |
20140262159 | Fluid Flow Measurement and Control - In at least one illustrative embodiment, a fluid flow control apparatus may comprise a fluid network including a plurality of parallel branches, each parallel branch of the plurality of parallel branches being fluidly coupled between an inlet and an outlet of the fluid network. Each parallel branch of the plurality of parallel branches may comprise a pressure-independent flow control device configured to limit fluid flow through the respective parallel branch to a reference flow amount irrespective of a pressure at the inlet of the fluid network. | 2014-09-18 |
20140262160 | Vapor Chambers Based Skin Material for Smartphones and Mobile Devices - An apparatus for managing heat generated by at least one electronic component of a mobile device, the apparatus comprising: a housing for containing the electronic component of the mobile device; and a vapor chamber arranged in the housing, the vapor chamber having a cavity defined by a front wall and a rear wall opposite the rear wall, the front wall for receiving heat generated by the electronic component of the mobile device to evaporate fluid in the cavity into a vapor, the rear wall for receiving the vapor to allow the vapor to condense to liquid thereby cooling the rear wall of the vapor chamber; wherein an outer surface of the housing comprises at least a portion of the rear wall of the vapor chamber. | 2014-09-18 |
20140262161 | METHOD AND APPARATUS FOR DYNAMICALLY COOLING ELECTRONIC DEVICES - This invention provides a method and apparatus for device designers to overcome such limitations by incorporating a dynamic fluid cooling system to transfer heat within the device amongst various subsystems and convect the heat externally, versus current static thermal solutions which conductively spread heat in a limited manner at significant cost. Specifically these dynamic fluid cooling methods and apparatus for electronic device enable increased performance and decreased cost across many of the device subsystems including but not limited to: electronics, integrated circuits, batteries, display panels, touch panels, lighting, audio transducers, imaging, flash LEDs and chargers. | 2014-09-18 |
20140262162 | LIQUID TO LIQUID MULTI-PASS COUNTERCURRENT HEAT EXCHANGER - A heat exchanger including a shell forming a generally cylindrical housing, a plurality of dividers within the shell extending along the length of the shell, wherein the dividers separate the shell into sections and each section forms a shell pass. The heat exchanger can further include a plurality of tube passes, wherein at least one tube pass is contained within each of the shell passes, and each tube pass comprises a plurality of tubes extending along the length of the shell, a shell inlet passage configured to receive a first fluid into a first shell pass and a shell outlet passage configured to discharge the first fluid from a last shell pass, and a plurality of shell pass passages formed in the dividers near a first end or a second end of the shell configured to allow flow of the first fluid from one shell pass to the next shell pass. In addition, the heat exchanger can include a tube inlet passage configured to receive a second fluid into a first tube pass and a tube outlet passage configured to discharge the second fluid from a last tube pass and a pair of shell heads configured to couple to the first end and the second end of the shell, wherein the shell heads are divided into a plurality of sections and each section is configured to route flow of the second fluid from one tube pass to the next tube pass. | 2014-09-18 |
20140262163 | INDIRECT EVAPORATIVE COOLING HEAT EXCHANGER - A heat exchanger including a header having a plurality of header openings with conduits that may be made of plastic are inserted in the openings. The conduits are sealed to the header to prevent leakage between the header and the tubes to prevent water and air leakage between the wet, scavenger air stream flowing through the tubes and a dry air stream flowing around the tubes. A method of making the heat exchanger includes providing the openings inwardly curving perimeter walls that allow for easy insertion of the tubes. A self-leveling sealant may be used to seal the heat exchange conduits to the header using, for example, a paint roller and/or a paint sprayer. The heat exchange conduits can include a plurality of stubby fins formed on the inner wall surface of the conduit. | 2014-09-18 |
20140262164 | HEAT EXCHANGER - A heat exchanger | 2014-09-18 |
20140262165 | HEAT EXCHANGER TUBE - A heat exchanger tube is constituted by a flat tube body | 2014-09-18 |
20140262166 | Waste Heat Recovery Apparatus for a Livestock Poultry Barn - Systems and method are provided for recovering heat from waste air being expelled from a livestock poultry barn. A heat recovery unit is specially designed to take advantage of an unused heat source, while avoiding the corrosive effects of waste air from the livestock poultry barn. The novel heat recovery capture heat from the expelled waste air. | 2014-09-18 |
20140262167 | COIL ASSEMBLY - A coil assembly includes at least one coil unit, having a plurality of odd coils and even coils configured in a horizontal manner, and each of the odd coils stacks over each of the even coils in stagger; a plurality of odd distributing pipes, respectively communicates with both ends of each of the odd coils; and a plurality of even distributing pipes respectively communicates with both ends of each of the even coils. The orientation of the coil assembly can be finished in site by combining the coil units to the frame in stack, and communicating the first and second distributing pipes for the application to the condenser or ice storage device. The horizontal arrangement allows the working fluid in the coils evenly distributed in a manner that the working fluid flow reverse return in favor of ease of handling, easy assembling and effectively refrigerating. | 2014-09-18 |
20140262168 | REACTOR INCORPORATING A HEAT EXCHANGER - A reactor containing a heat exchanger is disclosed, which can be operated with co-current or counter-current flow. Also disclosed is a system that includes a reactor having a reformer and a vaporizer, a fuel supply, and a water supply. The reactor includes a source of combustion gas, a reformer operative to receive reformate, and a vaporizer operative to receive water. The reformer and vaporizer each include a stack assembly formed by a combination of separator shims and channel shims. The separator shims and channel shims are stacked in a regular pattern to form two sets of channels within the stack assembly. One set of channels will have vertical passageways at either end and a horizontal flowpath between them, while the other set of channels has only a horizontal flowpath. | 2014-09-18 |
20140262169 | INSULATION - Insulation ( | 2014-09-18 |
20140262170 | Heat Transfer Surface With Nested Tabs - A heat transfer surface and a heat exchanger comprising the heat transfer surface are disclosed, the heat transfer surface comprising a corrugated member having parallel spaced apart ridges and planar fin surfaces extending therebetween. The planar fins surfaces comprise tabs formed in the surface thereof for forming counter-rotating vortices in the fluid flowing over the heat transfer surface, the tabs being lifted out of the surface of the planar fin surface and extending into or nesting within the openings formed by the corresponding tabs in the adjacent planar fin surface so as to achieve high fin density. | 2014-09-18 |
20140262171 | TUBE BUNDLE FOR SHELL-AND-TUBE HEAT EXCHANGER AND METHOD OF CONSTRUCTING SAME - A tube bundle is provided for a shell-and-tube heat exchanger. The tube bundle includes a plurality of elongated tubes, each of which has an intermediate portion that has a cross section in the form of a flattened circle with at least one axis of symmetry. The ends of the tubes may have a circular cross section, with the diameter of one of the circular ends being less than the other end and also less than the length of a shorter axis of symmetry of the intermediate portion of the tube. This tube construction allows the tube bundle to be assembled by inserting the smaller-diameter end of the tube through the aligned openings in the spaced-apart baffles in the tube bundle. The non-circular cross section of the intermediate portion of the tubes increases the tube-side and shell-side heat transfer coefficients. | 2014-09-18 |
20140262172 | TUBE BUNDLE FOR SHELL-AND-TUBE HEAT EXCHANGER AND A METHOD OF USE - A tube bundle is provided for a shell-and-tube heat exchanger. The tube bundle includes a plurality of elongated tubes, each of which has an intermediate portion that has a cross section in the form of a flattened circle with at least one axis of symmetry. The tubes are arranged in concentric circles with the axis of symmetry extending tangentially to the circle to facilitate rotational flow of a shell-side fluid. | 2014-09-18 |
20140262173 | PROCESS OF FRICTION STIR WELDING ON TUBE END JOINTS AND A PRODUCT PRODUCED THEREBY - A process of producing shell and tube heat exchangers where the ends of the tubes are secured to a tube sheet while reacting applied FSW forces without introducing a crevice or local deformation near the ends of the tubes. In particular, an interference fit is used to lock the ends of the tubes into the tube sheet without flaring or expanding the tube ends. A FSW process is then used to weld the ends of the tubes to the tube sheet. | 2014-09-18 |
20140262174 | High-Temperature Heat Exchanger - This flat tube heat exchanger encompasses a closed housing, in which two tube sheets and a tube bundle, which is arranged between the tube sheets and which is supported by the tube sheets is arranged. The tube bundle comprises at least some flat tubes, which extend in longitudinal direction of the tube bundle. At their ends, the flat tubes are round and are flat in a central section. The ends of the flat tubes, which have a round cross section, can be circular or can encompass a different round shape. | 2014-09-18 |
20140262175 | Heat Exchanger with Jointed Frame - A plate and frame style heat exchanger is disclosed herein the heat exchanger is formed by a plurality of heat exchange plates and frame members that are alternatingly stacked together to form fluid channel members. The frame members are formed by lengths of material that are formed or bent into the desired configuration for providing a first fluid tight seal around the periphery of the plates and a second fluid tight seal around respective fluid openings formed in the heat exchanger plates in order to achieve the desired flow configuration through the heat exchanger. In some embodiments the frame members are made up of two mating frame portions that join together in a self-aligning and self-fixturing relationship to facilitate assembly. | 2014-09-18 |
20140262176 | HOT WATER HEAT EXCHANGER - The present invention is directed to providing a hot water heat exchanger which has a simple piping structure and minimizes a flow passage length therein, thereby minimizing flow resistance. To this end, the hot water heat exchanger is characterized in that the first adaptor and the second adaptor are connected to the partition configured to define one side surface of the heat exchanging part, a first heating water circulation passage through which the heating water introduced from the inlet port of the first adaptor flows is formed at the space between the partition and the partition adjacent thereto, a first direct water circulation passage through which the direct water introduced from the inlet port of the second adaptor flows is formed at the space between the partition configured to define the other side surface of the heat exchanging part and the partition adjacent thereto, and a plurality of second heating water circulation passages through which the heating water passing through the first heating water circulation passage flows, and a plurality of second direct water circulation passages through which the direct water passing through the first direct water circulation passage flows are alternately formed between the first heating water circulation passage and the first direct water circulation passage. | 2014-09-18 |
20140262177 | INVERTER POWER MODULE PACKAGING WITH COLD PLATE - A heat sink is provided. The heat sink includes a single-piece housing having a floor and two walls, the walls perpendicular to the floor and the walls are parallel to each other. The heat sink includes the housing having an inlet and an outlet. The housing is configured to attach power modules to an outer surface of the floor and to outer surfaces of the two walls. The housing is configured to cool the power modules in response to fluid flow into the inlet. | 2014-09-18 |
20140262178 | THERMOELECTRIC POWER GENERATION CONDENSER - A heat exchanger includes an inlet header configured to receive refrigerant and an outlet header configured to discharge the refrigerant. First and second tubes in fluid communication with and extending between the inlet header and the outlet header direct refrigerant from the inlet header to the outlet header. Each of the tubes has a first side and a second side. The first side of the first tube is oriented to face the second side of the second tube. A first thermoelectric generator is in thermal communication with the first side of the first tube and a second thermoelectric generator is in thermal communication with the second side of the second tube. A plurality of fins is in thermal contact with the first thermoelectric generator and the second thermoelectric generator and with a surrounding environment. | 2014-09-18 |
20140262179 | HEAT EXCHANGER ASSEMBLY AND METHOD OF LOCKING SAME - A heat exchanger assembly is provided. The heat exchanger assembly comprises a core body, a plate fixedly coupled to the core body, the plate defining an aperture therein, and a tank having a foot thereon, wherein under the condition that the plate and the tank are coupled to one another, the aperture functionally engages the foot. The plate sidewall comprises the aperture and further comprises a crimping member in a distal end of the sidewall. The foot further comprises a securing surface and an engagement surface, the engagement surface being configured to engage the aperture and the crimping member being configured to be bent about the foot to engage the securing surface. A sealing member is placed between the tank and the plate to fluidicly seal the tank and the plate once coupled together. Such a configuration provides two means of coupling the plate to the tank. | 2014-09-18 |
20140262180 | MANIFOLDED HEAT EXCHANGERS AND RELATED SYSTEMS - Some modular heat-transfer systems can have an array of at least one heat-transfer element being configured to transfer heat to a working fluid from a heat dissipator. A manifolded heat exchanger can be configured to receive heated working fluid from a plurality of heat-transfer elements and to reject heat to a working fluid of a second fluid circuit. In some embodiments, the heat exchanging manifold can split an incoming flow of working fluid from the second fluid circuit into two or more streams having different bulk flow directions. In some instances, heat exchanger portions of the heat exchanging manifold are configured to provide counter flow heat exchange between the working fluid of the first fluid circuit and the working fluid of the second fluid circuit. | 2014-09-18 |
20140262181 | Flattened Tube Finned Heat Exchanger And Fabrication Method - A multiple tube bank heat exchanger includes a first tube bank including at least a first and a second flattened tube segments extending longitudinally in spaced parallel relationship and a second tube bank including at least a first and a second flattened tube segments extending longitudinally in spaced parallel relationship. The second tube bank is disposed behind the first tube bank with a leading edge of the second tube bank spaced from a trailing edge of the first tube bank. A continuous folded fin extends between the first and second flattened tube segments of both of said first tube bank and said second tube bank. | 2014-09-18 |
20140262182 | MICRO CHANNEL HEAT EXCHANGER ALLOY SYSTEM - A micro channel heat exchanger alloy system is provided and includes first and second manifolds, including a 3000 series aluminum, each of the first and second manifolds being formed to define a respective interior therein, a tube, including at least one of 31108 and 31104 alloy material, extending from the first to the second manifold and being formed to define multiple channels by which the respective interiors of the first and the second manifolds fluidly communicate, a fin structure, including at least 3003 alloy material, disposed in thermal communication with the tube, the fin structure being cladded with a silicon rich layer, including a 4000 series aluminum and a flux material applied to surfaces of the first and second manifolds, the tube and the fin structure. | 2014-09-18 |
20140262183 | POLYMER TUBE HEAT EXCHANGER - A heat exchanger includes a plurality of polymer tubes extending between and fluidly connecting an inlet manifold and an outlet manifold, thereby providing a flow path inside said tubes for a first fluid between the inlet manifold and the outlet manifold. The tubes are configured to have space between the exterior surfaces thereof, thereby providing a fluid flow path for a second fluid through the space between the exterior surfaces of the tubes. | 2014-09-18 |
20140262184 | METHOD AND APPARATUS FOR SECURING TWO COMPONENTS FOR BRAZING - Two components necessary to make up a heat exchanger assembly generally need to be brazed. Two components may be secured which do not contain a cladded alloy. Staking or crimping is used to hold the two components together while securing a braze ring captured between the two components which acts as a brazing mechanism. | 2014-09-18 |
20140262185 | Heat Exchanger Containing Multiple Tubes, and Method of Making and Using Same - Disclosed herein is a heat exchanger that includes a coiled outer tube, and a plurality of interlocking twisted tubes disposed within the coiled outer tube. Methods of making and using the heat exchanger also are described. | 2014-09-18 |
20140262186 | Heat Transfer System and Method Incorporating Tapered Flow Field - A heat transfer system including a fluid inlet; a fluid outlet; and a substrate in fluid communication with the fluid inlet and fluid outlet, the substrate including a heat exchange region having a heat transfer surface and a flow field adjacent the heat transfer surface, the flow field including a fluid flow area including an open region at the inlet, a heat transfer region in thermal communication with the heat exchange region, and a taper of the flow field cross-sectional area in the flow direction, wherein the flow field heat transfer region includes a plurality of spaced apart open enhancement features from 1 micron to 3 mm in size, and method for enhancing the heat transfer performance of an apparatus is disclosed. | 2014-09-18 |
20140262187 | HEAT EXCHANGER - The invention relates to a heat exchanger comprising a block which has ribs and tubes and which is arranged between a first collecting box in particular for introducing a medium to be cooled and a second collecting box in particular for discharging said medium. Each collecting box is closed off by a base which has eyelets for receiving the tubes, and a trough-shaped circulating section for receiving the collecting box extends along the edge of the base. The base has an elevated contact region on at least one end face for the tube which lies directly opposite the end face in order to allow a stable structure of the heat exchanger with collecting boxes comprising a trough-shaped depression. | 2014-09-18 |
20140262188 | Fin Spacing On An Evaporative Atmospheric Water Condenser - An improvement in atmospheric evaporative water condenser is disclosed. The apparatus includes tubes through which a refrigerant would pass and a variety of generally rectangular or circular fins are in contact with the tubes which causes the fins to cool. This permits water in its vapor form which exists in atmospheric air to condense on the fins and the condensate is collected as potable water. The improvement includes a plurality of different width spacers which are toleranced to be placed over the tubes and secured in desired positions. The fins are placed between the spacers allowing different fin spacing configurations on the apparatus. The different fin configurations optimize airflow for different coil and fin sections and help prevent water flooding or frost buildup on the fins which impair efficiency. Also, the spacers allow the fins to be placed far enough apart that non-frozen condensate does not block the air flow through the space between the fins. | 2014-09-18 |
20140262189 | CURABLE COMPOSITIONS AND FLUID CONNECTIONS MADE THEREWITH - A curable composition comprising an isocyanate material; method of using this curable composition and fluid connection incorporating cured reaction products of this composition are provided. | 2014-09-18 |
20140262190 | PROCESS AND DEVICE FOR CONTROLLED DEFORMATION OF SPINE FINS WHILE SHAPING OF COILS - A method and system device for controlled deformation of spine fin coil. A spine fin tubing is placed and guided through a conduit constructed with comb-like teeth so that the spine fins are deformed by the comb-like teeth in a controlled manner. The controlled deformation can be performed either before or during winding with a winder and/or after a coil is made. | 2014-09-18 |
20140262191 | THERMAL INTERFACE MATERIALS - A thermal interface material is configured for use with an electronic device for transferring heat between heat generating components and heat removing components of the electronic device. The thermal interface material generally includes a first material (e.g., a gap filler, etc.) incorporating a contact resistance reducing material. The contact resistance reducing material operates to fill interstitial voids of surfaces of components in which the first material is installed to thereby reduce surface contact resistance between the first material and the component surfaces. The contact resistance reducing material may be applied to one or more side surfaces of the first material. Or, alternatively, the contact resistance reducing material may be blended in the first material. | 2014-09-18 |
20140262192 | THERMALLY REVERSIBLE THERMAL INTERFACE MATERIALS WITH IMPROVED MOISTURE RESISTANCE - The present invention is directed to a reversibly adhesive thermal interface material for electronic components and methods of making and using the same. More particularly, embodiments of the invention provide thermal interface materials that include a hydrolytically-stable, thermally-reversible adhesive, and a thermally conductive and electrically non-conductive filler, where the thermal interface material is characterized by a thermal conductivity of 0.2 W/m-K or more and an electrical resistivity of 9×10 | 2014-09-18 |
20140262193 | EDGE RING COOLING MODULE FOR SEMI-CONDUCTOR MANUFACTURE CHUCK - An edge ring cooling module for semiconductor manufacturing chuck is provided which effectively cools the edge ring equipped in electrostatic chuck. The edge ring cooling module forcibly exhausts the heat of an edge ring ( | 2014-09-18 |
20140262194 | FLOW DIVERTERS TO ENHANCE HEAT SINK PERFORMANCE - A heat sink comprising a base, fins attached to the base and a flow diverter in contact with the base or at least one of the fins. The flow diverter has a rectangular cross-sectional profile in a plane that is coplanar with and elevated above a plane of the base and spanning the entire separation distance, and, a segment of the flow diverter is angled towards the base to direct the fluid flow towards the base. | 2014-09-18 |
20140262195 | SYSTEM AND METHOD FOR CONTROLLING FLOW RATE OF COOLANT OF GREEN CAR - A system and a method for controlling the flow rate of a coolant can efficiently cool cooling targets, such as motor, inverter, converter, etc., which are electric and electronic devices requiring to be cooled by water, by estimating an increase in temperature on the basis of traveling conditions of a vehicle and by increasing the flow rate of the coolant. A method of cooling electric and electronic devices in an environmentally-friendly vehicle may include determining whether driving torque or driving torque instruction value is a predetermined value or higher, determining whether regenerative braking torque is a predetermined value or higher, and increasing the flow rate of the coolant by driving a pump when the driving torque, the driving torque instruction value, or the regenerative braking torque is the corresponding predetermined value or higher. | 2014-09-18 |
20140262196 | THERMOSTAT - Discussed generally herein are systems and methods for comfort level regulation in a building. A comfort level regulation system for a building can include a plurality of air intakes configured to draw air into the building, and a processor configured to open the one or more air intakes of the plurality of air intakes as a function of an orientation of the building, the location of the air intake relative to the orientation of the building, air temperatures inside and outside the building, and humidity inside and outside the building. | 2014-09-18 |
20140262197 | Coolant System for Machine Tools - A coolant system for machine tools, includes a pump ( | 2014-09-18 |
20140262198 | METHOD AND APPARATUS FOR COOLING SUPERALLOY TURBINE COMPONENTS DURING COMPONENT WELDING - Superalloy components, such as steam and gas turbine blades or vanes, are cooled during welding fabrication or repair, so as to reduce likelihood of weld metal and weld heat affected zone cracking during weld solidification and during post weld heat treatment. More particularly the invention relates to cooling superalloy steam and gas turbine components, such as turbine blades or vanes during weld repair. A heat sink apparatus includes a heat sink having a first surface adapted for abutting orientation with a turbine component second surface; and a non-gaseous, conformable, heat conductive material adapted for conforming contact with both surfaces. The heat conductive material fills gaps between the heat sink and turbine component abutting surfaces, and facilitates enhanced conductive heat transfer, in order to minimize negative heat effects from welding. The apparatus may be incorporated in a cooling system that varies heat sink cooling capacity in response to sensed component temperature. | 2014-09-18 |
20140262199 | TEMPERATURE CONTROL SYSTEM, SEMICONDUCTOR MANUFACTURING DEVICE, AND TEMPERATURE CONTROL METHOD - A temperature control system includes a first temperature adjustment unit storing fluid at a first temperature; a second temperature adjustment unit storing fluid at a second temperature higher than the first temperature; a low-temperature flow path for passing fluid supplied from the first temperature adjustment unit; a high-temperature flow path for passing fluid supplied from the second temperature adjustment unit; a bypass flow path for circulating fluid; a combination flow path for passing fluid from the low-temperature flow path, the high-temperature flow path, and the bypass flow path merged at a merging part; a temperature adjustment part that passes fluid from the combination flow path and cools/heats a member of a semiconductor manufacturing device; and a control device that controls valve positions of variable valves attached to the three flow paths upstream of the merging part and adjusts the flow rate distribution ratio for the three flow paths. | 2014-09-18 |
20140262200 | Valves For Bypass Circuits In Heat Exchangers - A valve can be incorporated as an integral part of the heat exchanger as a plug-in item that can be located anywhere desired between the inlet and outlet flow manifolds of the heat exchanger. | 2014-09-18 |
20140262201 | Recirculating Cooling System For Energy Delivery Device - A method for cooling a medical device includes fluidly connecting a cooling fluid reservoir to a medical device. The fluid connection includes a fluid out-flow path and a fluid return path corresponding to the fluid reservoir. The cooling fluid is pumped from the fluid reservoir to the medical device. The medical device is energized and the heat generated by the energization is absorbed by the cooling fluid pumped to the medical device. The cooling fluid is received at the reservoir containing the absorbed heat. The cooling fluid transfers the absorbed heat to the cooling fluid in the reservoir and to the environment adjacent to the reservoir. | 2014-09-18 |
20140262202 | DEVICE AND METHODS OF USING A PIEZOELECTRIC MICROBALANCE SENSOR - Methods for monitoring scale deposition in a water-containing industrial process are disclosed. In certain embodiments, the water-containing industrial process is an aqueous cooling system. In certain embodiments, the methods incorporate fluorometric monitoring and control techniques along with a piezoelectric microbalance sensor. A particular embodiment of a piezoelectric microbalance sensor is additionally disclosed, along with at least one method for using the particular embodiment that is independent of whether fluorometric monitoring and control techniques are utilized. | 2014-09-18 |
20140262203 | POLYMER COATED SAND AND METHODS OF MANUFACTURE AND USE - Described herein are systems for manipulating a flowable substance, comprising: a flowable substance; a heating means; a cooling means; and a composition comprising chemically inert particles coated with a stimuli-responsive material. Compositions and methods for using the compositions are also described herein. | 2014-09-18 |
20140262204 | Modular Well Plunger And System For Use Of Same In A Well Bore - A variable volume modular well plunger with fishing neck segment having an upper fishing neck receiver and a lower threaded receiver and defining therebetween an annular chamber, at least one extension segment having a first end threadedly engaging the lower threaded receiver and a second end and defining therebetween an extension annular chamber communicating with the fishing neck annular chamber; and an end means for sealing chamber; a loading means for charging a treatment material; a means for deploying the plunger into a well bore; and a means for diffusing the treatment material at a desired position in the wellbore. Surface treatments adapted to provide at least one desired characteristic interaction between the plunger and tubing through which it passes selected from the group of wear pads, spiral brushes, non-sprial brushes, wobble washers, grooved surface, and interlocking expandable may be used alone or in any combination of multi-surface configurations. | 2014-09-18 |
20140262205 | Annular Blowout Container (ABOC) - An annular blowout container (ABOC) that may be used in multiples in a stack in conjunction with additional gate and shear valves to protect a wellhead. The ABOC incorporates a cylindrical formed bladder that provides a tight constrictive seal around whatever pipe or tubing may be in the well bore. The bladder is made of top and bottom rotator plates with springs extending between the plates. The springs are encased in Teflon® and held in place by Kevlar® then covered over completely with cured Viton® that is injected to complete the overall bladder in a molded form. Rotation of the top and bottom rotator plates effects a twisting constriction around the drill pipe or tubing. Electrical and hydraulic operational components are housed inside chambers within the ABOC for predominantly self-contained operation. The cylindrical bladder assembly may be removed and replaced after extended use. | 2014-09-18 |
20140262206 | BARRIER FOR A DOWNHOLE TOOL - A barrier assembly for use with a downhole pump includes a first tubular adapter; a second tubular adapter; a braided sleeve disposed between the first tubular adapter and the second tubular adapter, wherein the sleeve is configured to block passage of a particulate. | 2014-09-18 |
20140262207 | BALL CHECK VALVE INTEGRATION TO ICD - A production sleeve assembly for use downhole comprises a fluid pathway configured to provide fluid communication between an exterior of a wellbore tubular and an interior of the wellbore tubular, a flow restriction disposed in the fluid pathway, and a valve disposed in series with the flow restriction in the fluid pathway. The valve comprises: a rupture disk and a plug releasably engaged in the fluid pathway in series with the rupture disk. The valve is configured to allow production from the exterior of the wellbore tubular to the interior of the wellbore tubular through the chamber without producing past the plug once the rupture disk is actuated. | 2014-09-18 |
20140262208 | Shunt Tube Connection and Distribution Assembly and Method - A shunt tube assembly comprises a plurality of shunt tubes, a jumper tube, and a coupling member configured to provide fluid communication between the jumper tube and the plurality of shunt tubes. The coupling member can comprise a first end and a second end. The coupling member may be configured to provide a sealing engagement between the coupling member and the jumper tube at the first end, and the coupling member may be configured to provide a sealing engagement between the coupling member and the plurality of jumper tubes at the second end. | 2014-09-18 |
20140262209 | DOWNHOLE SEALING ASSEMBLY - A sealing assembly for sealing an annulus in a downhole application including a sealing ring and a deflecting ring axially aligned between axially opposed mesh back-ups, each of the sealing ring and the deflecting ring defining a first ramped end, the first ramped ends facing each other such that an axial set force applied to the deflecting ring deflects the sealing ring radially outward forcing the sealing ring into a side-by-side arrangement with the deflecting ring to fill and seal the annulus. | 2014-09-18 |
20140262210 | MOLDED SWELLABLE PACKERS - Embodiments of the present invention provide a swellable packer and a process for manufacturing swellable packers that may be used for sealing off chambers within a well bore. Various embodiments of the present invention include a variety of in situ molding techniques, such as injection molding and compression molding. Furthermore, some embodiments of the present invention include centering end caps about a tube and securing the end caps to the tube. In these embodiments, the swellable packer can then be molded about the tube and the position of the end caps can be used to determine the position of the outer surface of the swellable polymer with respect to the tube. | 2014-09-18 |
20140262211 | CONTROLLER FOR DOWNHOLE TOOL - A controller for operating a downhole tool includes a tubular body; a seat disposed in the body for receiving first and second pump-down plugs, at least a portion of one of the seat and the plugs being radially displaceable to pass through or allow passage of the other at a first threshold pressure differential; a catcher located below the seat for receiving the plugs after passing through the seat; a toggle linked to the seat to alternate between a locked position and an unlocked position in response to seating of the plugs; and a control mandrel for engaging a piston of the downhole tool and linked to the toggle: to be longitudinally movable between a first position and a second position when the toggle is unlocked, and to be prevented from movement from the first position to the second position when the toggle is locked. | 2014-09-18 |
20140262212 | RESIN SYSTEM FOR COMPOSITE DOWNHOLE FRAC PLUG AND BRIDGE PLUG TOOLS AND RELATED METHODS - A new resin blend is disclosed, which may be referred to as a hybrid resin. The resin blend includes an effective amount of benzoxazine resin or benzoxazine derivative mixed with at least one of epoxy resin, phenolic resins and other thermosetting polymers at varying ratios. The new resin blend has enhanced hot/wet performance in down hole frac and bridge plug applications in a cost effective manner with ease of processing. | 2014-09-18 |
20140262213 | COUPLINGS FOR EXPANDABLE TUBULAR - An expandable tubular for use in a wellbore includes: a pin formed at a first longitudinal end of the expandable tubular; a box formed at a second longitudinal end of the expandable tubular; a tubular body connecting the pin and the box; and an elastomeric seal disposed in a groove of the box. Each of the pin and box has: a torque shoulder; and a thread. The pin has an asymmetric protrusion formed on an inner surface thereof. | 2014-09-18 |
20140262214 | Bonded Segmented Slips - A slip assembly for a downhole tool, such as a bridge plug, has a slip body composed of independent segments. The segments are affixed together along their longitudinal sides by a bond, which can be composed of thermoplastic or thermoset resins, an elastomer, epoxy adhesives, bonding agent manufactured using ceramic, metallic agent, or a combination of these. The surface area over which the bonding agent is applied can be controlled for a particular implementation. Thus, more or less of the longitudinal sides of the segments can be bonded to other segments. This provides greater control of the required force to break the bond itself, which can be tailored as desired. | 2014-09-18 |
20140262215 | CASING CENTRALIZER - A casing centralizer comprising a cylindrical base and a plurality of blades extending from the cylindrical base, wherein the plurality of blades and the cylindrical base are compression molded as a single piece from a mineral filled, glass and specialty fiber reinforced polyester molding compound. | 2014-09-18 |
20140262216 | FRICTION REDUCING DOWNHOLE ASSEMBLIES - A friction reducing assembly has a substantially cylindrical body member having an outer surface and friction reducing elements, such as ball transfer units or other omni-directional rolling-element bearing assemblies, disposed along such outer surface. The friction reducing assembly can take many different configurations including a rolling sub assembly, a mule shoe assembly or a centralizer assembly having an adjustable outer diameter. | 2014-09-18 |
20140262217 | Wear Resistant Coatings For Radial Bearings and Downhole Tools - Abrasion resistant coatings useful for improving abrasive wear and/or corrosion resistance in radial bearings and downhole tools exposed to drilling forces as well as abrasive and/or corrosive drilling fluids. An abrasion resistant coating is disposed on at least one surface of a component body to increase the resistance of the component to abrasive wear and corrosion. The abrasion resistant coating includes a plurality of spherical tungsten cobalt carbide particles and a plurality of tungsten carbide particles. At least 65% by volume of the spherical tungsten cobalt carbide particles have a diameter of less than about 25 microns. | 2014-09-18 |
20140262218 | Apparatus and Method for Generating Power Downhole and Using Same For Performing a Downhole Operation - In one aspect, a wellbore system is disclosed that in one embodiment may include a coil in the wellbore, a magnetic element conveyed from a surface location configured to oscillate or rotate in an opening in the coil to generate electrical energy, and a device in the wellbore that utilizes the generated electrical energy. | 2014-09-18 |
20140262219 | DUAL UNDERGROUND TUNNEL SYSTEM FOR HYDROCARBON EXPLOITATION - A system for recovering hydrocarbons from a subterranean formation includes an upper tunnel extending through the formation. In addition, the system includes a lower tunnel extending through the formation below a portion of the upper tunnel. Further, the system includes a plurality of conduits extending from the upper tunnel through the formation to the lower tunnel. Still further, the system includes a plurality of wellbores extending from the lower tunnel into a hydrocarbon-bearing portion of the formation. | 2014-09-18 |
20140262220 | Cellar Oil Recovery Techniques for In Situ Operations - Techniques for recovering hydrocarbons, such as heavy hydrocarbons or bitumen, from a cellar region below a horizontal production well can include providing a cellar well section that extends from the horizontal production well into the cellar region. The horizontal production well can be part of a Steam-Assisted Gravity Drainage (SAGD) in situ recovery system, which forms a hydrocarbon depleted region and a hydrocarbon bearing cellar region. The cellar region includes hydrocarbons that have been pre-heated by SAGD operations. One or more cellar well sections are provided from the SAGD production well to extend into the cellar region, in order to form a branched production well. A pressurizing gas can be injected into the hydrocarbon depleted region from a SAGD injection well, in order to provide sufficient pressure to promote production of pre-heated hydrocarbons from the cellar region through the cellar well section. A branch well section can also be provided from a horizontal production well into a pre-heated adjacent region. | 2014-09-18 |
20140262221 | ELECTRICAL HEATING OF OIL SHALE AND HEAVY OIL FORMATIONS - A method (and system) is provided that enhances production of hydrocarbons from a subterranean formation by identifying at least one target interval of the subterranean formation that is in proximity to a pay interval, wherein the at least one target interval has an electrical resistance less than electrical resistance of the pay interval. A plurality of electrodes are placed in positions spaced apart from one another and adjacent the at least one target interval. Electrical current is injected into the target interval by supplying electrical signals to the plurality of electrodes. The electrical current injected into the at least one target interval passes through at least a portion of the at least one target interval in order to heat the at least one target interval and heat the pay interval by thermal conduction for enhancement of production of hydrocarbons from the pay interval. | 2014-09-18 |
20140262222 | RF ANTENNA ASSEMBLY WITH SERIES DIPOLE ANTENNAS AND COUPLING STRUCTURE AND RELATED METHODS - An RF antenna assembly is to be positioned within a wellbore in a subterranean formation for hydrocarbon resource recovery. The RF antenna assembly includes a series of tubular dipole antennas to be positioned within the wellbore, each tubular dipole antenna having a pair of dipole elements, and an RF transmission line extending within the series of tubular dipole antennas. The RF antenna assembly includes a respective coupling structure between each pair of dipole elements and between the series of tubular dipole antennas, each coupling structure including a dielectric tube mechanically coupling adjacent dipole elements, and a tap connector carried by the dielectric tube and electrically coupling the RF transmission line to a corresponding dipole element. | 2014-09-18 |
20140262223 | RF ANTENNA ASSEMBLY WITH DIELECTRIC ISOLATOR AND RELATED METHODS - An RF antenna assembly is positioned within a wellbore in a subterranean formation for hydrocarbon resource recovery. The RF antenna assembly includes first and second tubular conductors and a dielectric isolator therebetween. The dielectric isolator includes a dielectric tube having opposing first and second open ends, a first tubular connector having a first slotted recess receiving therein the first open end of the dielectric tube, and a second tubular connector having a second slotted recess receiving therein the second open end of the dielectric tube. | 2014-09-18 |
20140262224 | RF ANTENNA ASSEMBLY WITH FEED STRUCTURE HAVING DIELECTRIC TUBE AND RELATED METHODS - An RF antenna assembly may be positioned within a wellbore in a subterranean formation for hydrocarbon resource recovery. The RF antenna assembly includes first and second tubular conductors and a feed structure therebetween defining a dipole antenna to be positioned within the wellbore, and an RF transmission line extending within one of the tubular conductors. The feed structure includes a dielectric tube, a first connector coupling the RF transmission line to the first tubular conductor, and a second connector coupling the RF transmission line to the second tubular conductor. | 2014-09-18 |
20140262225 | OIL EXTRACTION USING RADIO FREQUENCY HEATING - Oil extraction from an oil-bearing formation includes: heating a first portion of the formation containing oil with radio frequency energy; extracting the oil from the first portion of the formation; injecting steam into the first portion of the formation to heat a second portion of the formation containing oil adjacent the first portion; and extracting the oil from the second portion of the formation. | 2014-09-18 |
20140262226 | METHOD AND APPARATUS FOR GENERATING HIGH-PRESSURE PULSES IN A SUBTERRANEAN DIELECTRIC MEDIUM - An apparatus and method for generating high-pressure pulses in a subterranean dielectric medium are provided. The method includes providing an electrode assembly in the medium, the electrode assembly having first and second electrodes that define a gap therebetween. A shaped electric current pulse is delivered to the electrode assembly. The electric current pulse has a duration greater than 100 μs so that an electric arc is formed between the first and second electrodes, thereby producing a pressure pulse in the medium. | 2014-09-18 |
20140262227 | Ring Electrode Device and Method For Generating High-Pressure Pulses - A method, system, and electrode assembly are disclosed that maximizes the lifetime of electrodes for high energy electrical discharges in water by arranging the electrodes in concentric rings or a stack of concentric rings. The radii and the thickness of the ring electrodes are optimized for electrical reliability, low jitter, and minimal erosion. In one embodiment, the electrode assembly is configured to be disposed in a subterranean dielectric medium, receive an electric current pulse having a length of time greater than 100 microseconds, and form an electric arc between the first electrode and the second electrode, thereby producing a pressure pulse axially away from the insulator. | 2014-09-18 |
20140262228 | Mechanically Degradable Polymers For Wellbore Work Fluid Applications - A composition including a wellbore work fluid and a polymer having mechanically labile chemical bonds is injected downhole, and combines with fluid present downhole to yield a composite fluid. Mechanical energy (e.g., ultrasonic energy) is provided to the composite fluid downhole to cleave the mechanically labile chemical bonds in the polymer. The polymer may be used as a viscosifier, friction reducer, or fluid loss additive. Cleaving the mechanically labile chemical bonds with mechanical energy allows precise degradation downhole. | 2014-09-18 |
20140262229 | ACOUSTIC ARTIFICIAL LIFT SYSTEM FOR GAS PRODUCTION WELL DELIQUIFICATION - An acoustic artificial lift system and method for deliquification of gas production wells is provided. The artificial lift system comprises a down-hole acoustic tool suspended by a power conductive cable that converts electrical power to acoustic energy, thereby generating an acoustic wave. The acoustic tool is moved within the wellbore such that liquid molecules within the wellbore are vaporized by the acoustic wave. Natural gas produced by a producing zone of the subterranean reservoir transports the vaporized liquid molecules to the well surface. | 2014-09-18 |
20140262230 | Acoustic Artificial Lift System For Gas Production Well Deliquification - An artificial lift system and method for deliquification of gas production wells is provided. The artificial lift system comprises a downhole tool suspended by a power conductive cable in a wellbore. The downhole tool comprises an atomizing chamber for conversion of the liquid into droplets having an average diameter less than or equal to 10,000 microns. Natural gas produced by a producing zone of the subterranean reservoir transports the vaporized liquid molecules to the well surface. In operation, the atomizing chamber is located above the liquid column in the wellbore. | 2014-09-18 |
20140262231 | METHODS FOR TREATMENT OF A SUBTERRANEAN FORMATION - The present disclosure relates the methods of treating a subterranean formation. In various embodiments, an acidic treatment fluid can be injected through tubing while a non-acidic fluid is pumped through an annulus. In various embodiments, acidic treatment fluid can be pumped through coiled tubing while at least one of acidic treatment fluid and non-acidic fluid are pumped through a second tube surrounding the coiled tubing and an annulus disposed the second tube and a borehole. Various embodiments also include methods for stimulating a well and acidization of the subterranean formation. | 2014-09-18 |
20140262232 | Controlling Net Treating Pressure in a Subterranean Region - In some aspects, an injection treatment of a subterranean region is controlled based on a target net treating pressure. A measure of fluid pressure acting on a subterranean region during an injection treatment is received. The measure of fluid pressure is compared against a target net treating pressure for fluid acting on the subterranean region during the injection treatment. The target net treating pressure is associated with a target fracture growth orientation. The injection treatment is modified based on a result of the comparison. | 2014-09-18 |
20140262233 | MONITORING PRODUCED WATER - This disclosure relates to systems, methods, and devices useful for monitoring and controlling water that has been used in, for example, oil and natural gas production, recovery, or hydraulic fracturing processes. An on-line unit for measuring, controlling, and optimizing the quality of produced water after being used in a hydrocarbon production or hydraulic fracturing process is also disclosed. Optimizing and controlling can include measuring one or more properties associated with the produced water to be sure that the one or more properties are within an acceptable range and, if the one or more properties are not within the acceptable range for each respective property being measured, causing a change in flow of one or more fresh water sources and/or one or more chemicals into the produced water. | 2014-09-18 |
20140262234 | Dual Magnetic Sensor Actuation Assembly - A well tool comprising a housing comprising ports and defining a flow passage, an actuator, a dual magnetic sensor actuation assembly (DMSAA) in signal communication with the actuator and comprising a first magnetic sensor up-hole relative to a second magnetic sensor, and an electronic circuit comprising a counter, and wherein, the DMSAA detects a magnetic signal and determines the direction of movement of the magnetic device emitting the magnetic signal, and a sleeve slidable within the housing and transitional from a first position in which the sleeve prevents fluid communication via the ports to a second position in which the sleeve allows fluid communication via the ports, wherein, the sleeve transitions from the first to the second position upon recognition of a predetermined quantity of magnetic signals traveling in a particular direction. | 2014-09-18 |
20140262235 | METHOD OF OPTIMIZATION OF FLOW CONTROL VALVES AND INFLOW CONTROL DEVICES IN A SINGLE WELL OR A GROUP OF WELLS - A method and an apparatus for managing a subterranean formation including collecting information about a flow control valve in a wellbore traversing the formation, adjusting the valve in response to the information wherein the adjusting includes a Newton method, a pattern search method, or a proxy-optimization method. In some embodiments, adjusting comprises changing the effective cross sectional area of the valve. A method and an apparatus for managing a subterranean formation including collecting information about an inflow control valve in a wellbore traversing the reservoir and controlling the valve, wherein the control includes a direct-continuous approach or a pseudo-index approach. | 2014-09-18 |
20140262236 | Wellbore Servicing Tools, Systems and Methods Utilizing Near-Field Communication - A wellbore servicing system comprising one or more wellbore tool nodes disposed within a wellbore, wherein each of the one or more wellbore tool nodes is configurable from a first configuration to a second configuration, and a controller node, wherein the controller node communicates with the wellbore tool node via a near field communication (NFC) signal. | 2014-09-18 |
20140262237 | Wellbore Servicing Tools, Systems and Methods Utilizing Near-Field Communication - A wellbore servicing system comprising two or more sensing, tool nodes, wherein each of the sensing, tool nodes are configured to selectively allow, disallow, or alter a route of fluid communication between an axial flowbore thereof and an exterior thereof via one or more ports, and wherein each of the sensing, tool nodes are further configured to monitor at least one parameter, and a logging controller node wherein the logging controller node communicates with the sensing, tool nodes via a near field communication (NFC) signal. | 2014-09-18 |
20140262238 | Enhanced Oil Production Using Control Of Well Casing Gas Pressure - There is provided a system for producing oil from a well bore extending through a fossil fuel reservoir. The system includes a plurality of perforations defined in the casing proximate the fossil fuel reservoir. A gas flow tube is in communication with the annulus volume of the casing proximate the wellhead. A gas valve is coupled to the gas flow tube, with the gas valve configured to selectively open and close the gas flow tube. A controller, is coupled to the gas valve, with the controller configured to control the opening and closing of the gas valve. The opening and closing of the gas valve maximizes the volumetric rate of oil flow into the annulus volume through the perforations from the reservoir by displacing liquid in the annulus volume with a gas volume between the gas valve and the perforations. | 2014-09-18 |
20140262239 | Preparing a Wellbore for Improved Recovery - The present disclosure provides a system for and method of preparing a wellbore for improved recovery from a formation and a method of producing hydrocarbons from a formation. The system includes an approximately horizontal wellbore in a formation, a liner enclosing a portion of the approximately horizontal wellbore; and a packer inside the liner that comprises a swellable elastomeric material. | 2014-09-18 |
20140262240 | Producing Hydrocarbons from a Formation - A system for and methods of producing hydrocarbons from a formation. A method may include drilling a wellbore in a formation, forming a first fracture in the formation that emanates from the wellbore, forming a second fracture in the formation that emanates from the wellbore and is approximately parallel to the first fracture, and simultaneously (a) injecting a fluid from an injection tubing string in communication with the second fracture and (b) producing hydrocarbons that travel from the first fracture into a production tubing string that is substantially parallel to the injection tubing string. The wellbore may be substantially horizontal. The fluid may increase pressure in an area of the formation adjacent to the first fracture. | 2014-09-18 |
20140262241 | Systems and Methods for the Production of a Subterranean Reservoir Containing Viscous Hydrocarbons - A method for recovering viscous hydrocarbons from a reservoir in a subterranean formation includes (a) injecting steam into the reservoir. In addition, the method includes (b) injecting a surfactant into the reservoir with the steam during (a). Further, the method includes (c) decreasing the viscosity of the hydrocarbons in the reservoir with thermal energy from the steam. Still further, the method includes (d) emulsifying the hydrocarbons with the surfactant during (b) and (c). Moreover, the method includes (e) mobilizing at least some of the hydrocarbons in the reservoir. | 2014-09-18 |
20140262242 | Systems and Methods for the Production of a Subterranean Reservoir Containing Viscous Hydrocarbons - A method for recovering viscous hydrocarbons from a reservoir in a subterranean formation includes (a) injecting steam into the reservoir. In addition, the method includes (b) injecting a thermally activated chemical species into the reservoir with the steam during (a). The thermally activated chemical species decomposes at a temperature between 40° and 200° C. Further, the method includes (c) decreasing the viscosity of the hydrocarbons in the reservoir during (a) and (b). Still further, the method includes (d) mobilizing at least some of the hydrocarbons in the reservoir. | 2014-09-18 |
20140262243 | Systems and Methods for Accelerating Production of Viscous Hydrocarbons in a Subterranean Reservoir with Thermally Activated Chemical Agents - A method for mobilizing viscous hydrocarbons in a reservoir includes (a) injecting an aqueous solution into the reservoir with the reservoir at the reservoir ambient temperature. The aqueous solution includes water and a water-soluble chemical agent that is substantially non-decomposable and substantially non-reactive in the reservoir at the reservoir ambient temperature. In addition, the method includes (b) adding thermal energy to the reservoir at any time after (a) to increase the temperature of at least a portion of the reservoir to an elevated temperature greater than the ambient temperature of the reservoir. Further, the method includes (c) in response to the elevated temperature in (b), mobilizing at least a portion of the hydrocarbons in the reservoir by reducing the viscosity of the hydrocarbons and allowing the chemical agent to enhance mobilization of the hydrocarbons. | 2014-09-18 |
20140262244 | Apparatus and Method for Determining Fluid Interface Proximate an Electrical Submersible Pump and Operating The Same in Response Thereto - In one aspect, a production system is disclosed that in one embodiment may include a production tubing placed inside the wellbore, an ESP in the wellbore for flowing fluid from the wellbore into the production tubing, a sensor string including distributed sensors along the sensor string that provides temperature measurements along the production tubing uphole of the ESP, and a controller that determines from the temperature measurements a change in temperature that exceeds a threshold and determines therefrom level of a liquid in the wellbore. | 2014-09-18 |
20140262245 | Fluid Level Determination Apparatus and Method of Determining a Fluid Level in a Hydrocarbon Well - A system for matching the hydrocarbon reservoir inflow with the outflow of an artificial lift system utilizes an apparatus which makes real time fluid level determinations based upon shock waves detected by a surface device and inputs the observed fluid levels into a processor which controls the speed of a motor which operates a subsurface pump, so as to increase hydrocarbon production. The apparatus which makes real time fluid determinations is installed such that a gas emission port and a pressure wave pressure wave receiving port are placed within the tubing-casing annulus. | 2014-09-18 |
20140262246 | Method for controlling well bore pressure based on model prediction control theory and systems theory - A method for controlling well bore pressure based on model prediction control theory and systems theory, which belongs to the field of well bore pressure control technique, includes: detecting a well bottom pressure, a stand pipe pressure, a casing pressure, an injection flow rate and an outlet flow rate during construction process, and determining the presence of overflow or leakage; if there is no overflow or leakage, then fine-adjusting the wellhead casing pressure according to the slight fluctuations of the well bottom pressure, the stand pipe pressure or the casing pressure, ensuring that the well bottom pressure, the stand pipe pressure or the casing pressure are at a set value; if there is overflow or leakage, then using a well bore multi-phase flow dynamic model to simulate and calculate the overflow or leakage position and starting time of the overflow or leakage, predicting the variation over a future time period of the well bore pressure in the well drilling process, and utilizing an optimization algorithm to calculate the control parameter under a minimum of an actual well bottom pressure difference during the future period; and repeating the optimization process for the next time period after a first control parameter is selected and set. The present method enables the well bore pressure to be controlled within the allowable fluctuation range of a project, thus achieving precise pressure control. | 2014-09-18 |
20140262247 | COMPOSITION AND METHOD FOR HYDRAULIC FRACTURING AND EVALUATION AND DIAGNOSTICS OF HYDRAULIC FRACTURES USING INFUSED POROUS CERAMIC PROPPANT - A composition and method for hydraulically fracturing an oil or gas well to improve the production rates and ultimate recovery using a porous ceramic proppant infused with a chemical treatment agent is provided. The chemical treatment agent may be a tracer material that provides diagnostic information about the production performance of a hydraulic fracture stimulation by the use of distinguishable both water soluble and hydrocarbon soluble tracers. The tracer can be a biological marker, such as DNA. The porous ceramic proppant can be coated with a polymer which provides for controlled release of the chemical treatment agent into a fracture or well bore area over a period of time. | 2014-09-18 |
20140262248 | SAND PRODUCTION CONTROL THROUGH THE USE OF MAGNETIC FORCES - A method for preventing the production and formation of loose sand particles during production of a production fluid includes converting in the production zone both a loose sand particle into a magnetized loose sand particle and a cemented sand particle into a magnetized cemented sand particle. The method includes introducing a magnetic source into a wellbore. The method includes operating the magnetic source such that a continuous magnetic field is generated and the continuous repulsive magnetic force is less than the mean cementation strength. The method includes producing the production fluid from the production zone to the wellbore at a production rate. The method includes maintaining the magnetic source and the production rate of the hydrocarbon fluid such that within the distance from the magnetic source the production fluid drag force is less than or equal to the continuous repulsive magnetic force. | 2014-09-18 |
20140262249 | HYDRAULIC FRACTURING WITH EXOTHERMIC REACTION - Method of stimulating subterranean formations for are given in which a thermite is placed downhole and then ignited. The thermite may be ignited with a downhole tool, the fracture may be mapped, and the thermite-affected region of the formation may be reconnected to the surface after the thermite reaction through the original or a second wellbore. | 2014-09-18 |
20140262250 | REMOVAL OF FRACTURE-INDUCED ANISOTROPY FROM CONVERTED-WAVE SEISMIC AMPLITUDES - The present disclosure provides a system and method for inferring one or more physical property parameters of a sub-surface media by inverting converted wave data acquired during a seismic survey. Composite seismic traces are generated at a plurality of survey azimuths (step | 2014-09-18 |
20140262251 | Method for Inducing and Further Propagating Formation Fractures - Fractures are induced from lobe shaped inflatable members disposed at different axial locations along a string with frac ports in the circumferential gaps between the lobes. The lobes are inflated by landing a ball on a seat on a sleeve that is initially shifted enough to expose a fill port on each lobe. The lobes are inflated to a pressure that initiates fractures in the formation as the lobes extend. Further raising the pressure induces the sleeve to move a second time to open frac ports. The annulus can be cemented and fracturing can penetrate the cement to further propagate the initiated fractures from lobe inflation. The process is repeated at different levels until the zone of interest is completed. Sensors can relay information by telemetry techniques as to the onset of fractures or other well conditions. The sleeve for the frac ports can be moved in a variety of ways without intervention tools. | 2014-09-18 |
20140262252 | ACOUSTIC LINE TRACING SYSTEM AND METHOD FOR FLUID TRANSFER SYSTEM - An acoustic line tracing system for tracing a fluid transfer system tubing line includes an acoustic receiver operably connectable to the tubing line and configured to receive the vibratory signal. The acoustic receiver includes a vibration sensor disposed to contact the tubing line and configured for detecting vibration of the surface of the tubing line caused by the vibratory signal, and an indicator producing at least one of an audio and a visual cue when the vibration sensor detects the vibratory signal. | 2014-09-18 |
20140262253 | PROCESS FOR RECOVERING OIL AND TREATING RESULTING PRODUCED WATER WITH CERAMIC MEMBRANES - A method of recovering oil from an oil well includes recovering an oil-water mixture from the oil well and separating produced water from the oil-water mixture. Thereafter, the produced water is directed through a ceramic membrane that removes free oil and emulsified oil from the produced water. The method or process further includes cleaning the ceramic membrane in online and offline modes. In the offline mode, cleaning is achieved by periodically backflushing the ceramic membrane with an aqueous media having a pH of 13 or greater and a temperature of 60° C. or greater. Further, the ceramic membrane is cleaned in the offline mode by applying the following operations. In one or more clean-in-place operations, an aqueous alkaline media at a pH of 13 or higher and a temperature of 60° C. or higher is directed through the ceramic membrane. In one or more clean-in-place operations, the ceramic membrane is also cleaned with an aqueous acidic media that contains dissolved citric acid. Finally, in one or more clean-in-place operations, a liquid hydrocarbon is directed through the ceramic membrane. | 2014-09-18 |
20140262254 | OIL RECOVERY PROCESS INCLUDING TREATING PERMEATE FROM A CERAMIC MEMBRANE TO ENHANCE OIL RECOVERY - A process for recovering oil is provided. The process entails recovering an oil-water mixture from an oil-bearing formation. Next, the process entails separating oil from the oil-water mixture and producing produced water having hardness and other scale-forming compounds, suspended solids, free oil and emulsified oil. A pre-treatment process is undertaken to remove hardness and other scale-forming compounds. This entails precipitating hardness and other scale-forming compounds. After the precipitation of hardness and other scale-forming compounds, the produced water is directed to a membrane separation unit for filtering the produced water and producing a retentate having suspended solids, hardness and other scale-forming compounds, free oil and emulsified oil. The membrane separation unit also produces a permeate stream substantially free of hardness and other scale-forming compounds, suspended solids, free oil and emulsified oil. Thereafter, the permeate stream is chemically treated to enhance the recovery of oil in the oil-bearing formation. After treating the permeate stream from the membrane separation unit, the treated permeate is injected into the oil-bearing formation. | 2014-09-18 |
20140262255 | METHODS FOR IMPROVING THE SWEEP EFFICIENCY OF GAS INJECTION - A method for recovering oil from a subterranean, hydrocarbon-bearing formation includes at least one injection well and injecting a carrier fluid including a diverting agent into a high permeability pathway within the formation. An activating fluid is injected into the high permeability pathway within the formation, resulting in the precipitation or swelling of the diverting agent. The permeability of the high permeability pathway is decreased within the formation containing the diverting agent to a permeability less than the permeability of the adjacent areas of the formation. The carrier fluid may have a predetermined residence time within the formation prior to injecting an activating fluid; the step of injecting a carrier fluid comprising a diverting agent and injecting an activating fluid may be repeated. A mineralization fluid may be injected that is oversaturated or becomes oversaturated upon interacting with the acid gas that causes mineral precipitation to seal off high-permeability pathways. | 2014-09-18 |
20140262256 | METHOD AND APPARATUS FOR STIMULATING A GEOTHERMAL WELL - The present invention provides a method for stimulating a sub-commercial geothermal well, comprising the steps of drilling a stimulating well; isolating a corresponding zone in said stimulating well by means of a plurality of vertically spaced swell packers that are swellable when contacted by subterraneously heated geothermal brine present in said stimulating well and are resistant to the high temperature of said brine; injecting stimulating fluid into said stimulating well such that it will flow only through a zone of said well that is not isolated; and allowing said stimulating fluid to exit said well from a non-isolated zone located at a desired depth into a surrounding geological formation in order to hydraulically reopen a fracture or a system of fractures within said formation at said desired depth that will be connected with said existing well to be stimulated. | 2014-09-18 |
20140262257 | SMALL SUPERCRITICAL ONCE-THRU STEAM GENERATOR - A small supercritical once-through steam generator (OTSG) includes a radiant section with a furnace coil, and a convection section downstream of the radiant section that includes a superheater which is fluidically connected to the furnace coil. Optionally, the OTSG is devoid of a steam separator. An economizer can also be included downstream of the superheater. Supercritical steam can be generated using the OTSG, for use, among other things, in enhanced oil recovery applications. | 2014-09-18 |