Patent application number | Description | Published |
20100108148 | UTILIZING SWELLABLE MATERIALS TO CONTROL FLUID FLOW - Methods and related systems are described for controlling inflow of fluid into a production string. In aspects, the invention provides an inflow control device with a shut-off feature that is operated automatically utilizing swellable materials. | 05-06-2010 |
20100181067 | WIRELESS POWER AND TELEMETRY TRANSMISSION BETWEEN CONNECTIONS OF WELL COMPLETIONS - An intelligent well system may include a first main bore transmission assembly disposed in a main bore and a first lateral bore transmission assembly disposed in a lateral bore. The first main bore transmission assembly may include a first main bore transmission unit, and the first lateral bore transmission assembly may include a first lateral bore transmission unit. The first main bore transmission unit and the first lateral bore transmission unit may be configured to establish a wireless connection there between, such that at least one of power or telemetry can be wirelessly transmitted. The first main bore transmission assembly may be configured to be communicatively connected to a surface communication device. | 07-22-2010 |
20100212911 | TRIGGERING MECHANISM DISCRIMINATED BY LENGTH DIFFERENCE - A downhole trigger mechanism and method for using the same are provided. The downhole trigger mechanism can include at least two contact points spaced a longitudinal distance from one another. The trigger mechanism can be actuated when the contact points of the trigger mechanism are simultaneously contacted by at least two contact points of an actuator. The contact points of the actuator can be spaced a longitudinal distance from one another. | 08-26-2010 |
20100243243 | Active In-Situ Controlled Permanent Downhole Device - A well system is provided and configured for local and/or global control of a well. The well system may comprise one or more controllable downhole devices. Each of the downhole devices may include a telemetry module, an energy module configured to at least power an actuator, a controller communicably coupled to the telemetry module and one or more sensors, and a controllable component coupled to the actuator. The well system may further include a surface controller comprising a desired state input device configured to accept a desired state and then provide the desired state to the controller via the telemetry module. The controller may compare the desired state to an actual state determined by a sensor and instruct the actuator to adjust the controllable component such that the actual state approaches the desired state. The downhole device may operate autonomously after the initial setting of the desired state. | 09-30-2010 |
20110011580 | WIRELESS TRANSFER OF POWER AND DATA BETWEEN A MOTHER WELLBORE AND A LATERAL WELLBORE - A technique enables wireless communication of signals in a well. The technique is employed for communication of power signals and/or data signals between a mother wellbore and at least one lateral wellbore. A first wireless device is positioned in a mother wellbore proximate a lateral wellbore, and a second wireless device is positioned in the lateral wellbore. The power and/or data signal is transferred wirelessly between the first and second wireless devices via magnetic fields. A plurality of the first and second wireless devices may be employed in cooperating pairs to enable communication between the mother wellbore and a plurality of lateral wellbores. | 01-20-2011 |
20110139443 | MONITORING FLUID MOVEMENT IN A FORMATION - A technique includes wirelessly communicating between a first telemetry unit and a second telemetry unit in a well completion. The communicating causes a leakage current between the first and second telemetry units. The technique includes monitoring the leakage current to detect a change in location of a formation fluid layer. | 06-16-2011 |
20110139466 | ULTRA HIGH TEMPERATURE PACKER BY HIGH-TEMPERATURE ELASTOMERIC POLYMERS - A high temperature downhole packer including a tubular member, an annular and longitudinally movable ring, and a packer. The tubular member has a stop located on an outer diameter thereof. The annular and longitudinally movable ring is disposed around the outer diameter of the tubular member. The packer element is disposed between the stop and the ring. The packer element includes a high temperature elastomeric polymer having a first storage modulus from about 1,000 MPa to about 10,000 MPa at a first temperature between about −100° C. and about 175° C., and a second storage modulus from about 1 MPa to about 1000 MPa at a second temperature ranging from about 175° C. to about 475° C. | 06-16-2011 |
20110147014 | CONTROL SWELLING OF SWELLABLE PACKER BY PRE-STRAINING THE SWELLABLE PACKER ELEMENT - A swellable packer including a first retainer, a second retainer, a swellable element, a piston, and a piston lock. The second retainer is spaced axially apart from the first retainer. The swellable element is at least partially disposed between and fixed to the first and second retainers. The piston is fixed to the second retainer and configured to move the second retainer from a first position in which the swellable element is unstrained, to a second position in which the swellable element is strained. The piston lock is configured to releasably fix the second retainer in the second position. | 06-23-2011 |
20110284240 | MECHANISM FOR ACTIVATING A PLURALITY OF DOWNHOLE DEVICES - A mechanism for selectively activating a plurality of downhole pathways including a) a valve having: i) a sleeve coupled for movement between an open and normally closed position; and ii) a valve magnet set mounted to the sleeve; and b) a dart for pumping in hole including a dart magnet set matched to the valve magnet set such that the dart couples to the valve when in close proximity and, in turn, the sleeve moves from the closed position to the open position. | 11-24-2011 |
20120003111 | MECHANICAL SYSTEM FOR MOVEMENT ALONG A HOUSING AXIS - A mechanism for moving elements in a fluid filled housing a pump with the element to be moved attached rigidly to the pump or to a port assembly connected to the pump. The pump assembly or port assembly moves as a result of differential pressure created between a first and a second chamber separated from each other by the pump assembly or port assembly. Movement of the fluid in one direction increases or decreases pressure, the pressure change resulting in a net force in one direction or the other. | 01-05-2012 |
20120175134 | OILFIELD APPARATUS AND METHOD COMPRISING SWELLABLE ELASTOMERS - The subject disclosure discloses apparatus and methods that are particularly suited for creating a seal in a borehole annulus. More particularly, the subject disclosure discloses a seal with enhanced sealing capability. In one embodiment the subject disclosure discloses a reinforced and permanent swellable packer device. | 07-12-2012 |
20120318532 | Temperature Resistant Downhole Elastomeric Device - An elastomeric-based device configured for use in high temperature downhole environments exceeding about 400° F. The device includes a carbon nanotube mesh configured to dissipate heat relative elastomeric portions thereof so as to provide temperature resistance. Thus, a majority of modulus strength of the elastomeric portions may be maintained along with device functionality even upon exposure to such temperatures. Further, the mesh may also be configured to mimic the modulus character of elastomeric portions to allow a cohesive compliance to the device as a whole. Thus, isolation packers and other expansive downhole devices may particularly benefit from such combined material configurations as detailed herein. | 12-20-2012 |
20130020088 | CHEMICALLY TARGETED CONTROL OF DOWNHOLE FLOW CONTROL DEVICES - Systems and methods using enhanced flow control devices are described. The flow control devices can be selectively closed completely or have its effective flow area reduced to restrict production (or injection) by use of a chemical trigger mechanism. In addition, some of the systems described herein deploy specific targeted chemical tracers, dissolvable in the unwanted production fluid (e.g. water or gas). These chemical tracers once dissolved will enter the production stream and be identified at the surface. The identification will determine which segment of the completion is producing the unwanted fluid. According to some embodiments, an appropriate chemical trigger is placed, for example, by pumping down through the tubing and utilizing intelligent completion valve to place the chemical, or by spotting with coiled tubing and bullhead to the formation, or by other methods of chemical placement. The chemical trigger will only trigger the active chemical in the appropriate flow control device. This chemical will then change state—dissolve, create thermal reaction, create a pressure swell or expand—which in turn allows a mechanical device to shift position such that a valve in the flow control device closes, or reduces its flow by restricting the flow area by swelling/expansion of the active chemical. | 01-24-2013 |
20130260187 | REPLENISHABLE DOWNHOLE BATTERY - A battery for downhole use configured for fluid-based replenishment. The battery may include separate anode and cathode fluid tanks which may be refilled at various times throughout the life of the well. Upon coupling of a replenishment tool to the battery, it may be fully replenished in a matter of minutes. Further, the nature of the fluid tanks allows for decreased battery bulk in even as increase power and life are afforded due to overall tank volume. Thus, with minimal total intervention time, extended life and replenishable character may be achieved for a battery well suited for use in downhole environments. | 10-03-2013 |
20130342211 | Impedance Spectroscopy Measurement Device And Methods For Analysis Of Live Reservoir Fluids And Assessment Of In-Situ Corrosion Of Multiple Alloys - A method for analyzing fluid withdrawn from a subsurface formation includes disposing the withdrawn fluid in a chamber and maintaining the fluid in the chamber substantially at a same temperature and pressure as exists in the subsurface formation. Electric current is passed through the fluid in the chamber using at least one electrode made from a selected metal, the electric current comprising direct current and alternating current of frequency sufficient to determine at least one of (i) resistance of the fluid sample in the chamber directly and (ii) from the direct current determine a polarization resistance of the at least one electrode. | 12-26-2013 |
20140060815 | FUNCTIONALLY GRADIENT ELASTOMER MATERIAL FOR DOWNHOLE SEALING ELEMENT - A sealing device of enhanced configuration for use in downhole in a well. The device may include an element of elastomeric and unitary construction. At the same time, however, the element may include a substantially cured outer shell disposed about a substantially under-cured inner core. Thus, enhanced robustness and durability may be provided to the device in light of downhole conditions without sacrifice to sealable function of the device. | 03-06-2014 |
20140299319 | APPARATUS AND METHODS FOR ACTIVATING A PLURALITY OF DOWNHOLE DEVICES - A mechanism for selectively activating a plurality of downhole pathways is disclosed. The method includes a casing segment which includes a plurality of casing ribs, a valve which includes a sleeve coupled for movement between an open and normally closed position, a rocker member mounted to the sleeve, a dart for pumping in hole including a dart profile matched to the rocker member profile such that the dart profile couples to the rocker member profile when in close proximity and, in turn, the sleeve moves from the closed position to the open position. | 10-09-2014 |
Patent application number | Description | Published |
20110021741 | PROCESS FOR MAKING POLYAMINOPOLYPHENYL METHANES USING A MIXED SOLID ACID CATALYST SYSTEM - A method for preparing aromatic polyamines comprising (1) preparing a non-aqueous aminal solution; (2) contacting the non-aqueous aminal solution and an acidic siliceous catalyst to form a benzylamine intermediate; (3) contacting the benzylamine intermediate and an ion exchange resin catalyst based on a styrene-divinylbenzene copolymer to form an aromatic polyamine reaction mixture containing a polyaminopolyphenyl methane product; and (4) recovering the polyaminopolyphenyl methane product from the aromatic polyamine reaction mixture. The method, which may be practiced continuously, offers high 4,4′-methylene dianiline yield, reduced impurities, extended catalyst life, and, therefore, improved economics, when compared with many conventional methods to prepare polyaminopolyphenyl methanes. | 01-27-2011 |
20110275854 | PROCESS FOR THE PRODUCTION OF ALIPHATIC ISOCYANATES - The present invention is a process for aliphatic or cycloaliphatic isocyanate. The process comprises reacting an aliphatic or cycloaliphatic primary amine, with phosgene in the presence of an inert solvent wherein the initial reaction temperature is between 100 and 130° C. and the temperature is subsequently ramped to 150 to 180° C. during the course of the reaction, the solvent to amine weight ratio is 95:5 to 80:20, the total reaction pressure is maintained between 50 and 350 psig and the amine is rapidly dispersed in the phosgene through injection in a region of high efficiency mixing. | 11-10-2011 |
20130245314 | PROCESS FOR THE PRODUCTION OF ALIPHATIC ISOCYANATES - The present invention is an aliphatic or cycloaliphatic isocyanate obtained form a process comprising the steps of reacting an aliphatic or cycloaliphatic primary amine, with phosgene in the presence of an inert solvent, wherein the initial reaction temperature is between 100 and 130° C. and the temperature is subsequently ramped to 150 to 180° C. during the course of the reaction, the solvent to amine weight ratio is 95:5 to 80:20, the total reaction pressure is maintained between 50 and 350 psig and the amine is rapidly dispersed in the phosgene through injection in a region of high efficiency mixing. | 09-19-2013 |
Patent application number | Description | Published |
20100212274 | GAS-SOLIDS SEPARATOR - Gas-solids separator comprises a tubular housing, an inlet for introducing a gas-solids mixture at one end of said housing, which inlet is executed such that it imparts a swirl to the gas-solids mixture, a solids outlet opening at the opposite end of said housing, and a co-axially positioned tubular gas outlet conduit placed at an end of said housing, which separator further comprises a vortex stabiliser, comprising a pin placed on a stabilising plate, in which separator the pin runs along the axis of the tubular housing and in which a passageway is provided through the stabiliser plate and the pin. | 08-26-2010 |
20110297584 | SYSTEMS AND METHODS FOR PROCESSING A CATALYST REGENERATOR FLUE GAS - A system comprising a reactor comprising a hydrocarbon feedstock and a regenerated catalyst under catalytic cracking conditions to yield a cracked reactor product and a spent catalyst, the spent catalyst comprising a hydrocarbon layer; a regenerator comprising a spent catalyst feedstock and an oxygen containing gas feedstock to burn at least a portion of the hydrocarbon layer to regenerate the spent catalyst, the regenerator output comprising a first conduit comprising a regenerated catalyst, and a second conduit comprising a flue gas, the first and second conduits fluidly connected to the reactor; the second conduit fluidly connected to a heated oxygen containing gas source; and a mixing chamber fluidly connected to the second conduit comprising the flue gas. | 12-08-2011 |
20110301394 | PROCESS FOR THE CONVERSION OF LOWER ALKANES TO AROMATIC HYDROCARBONS - A process is provided for producing aromatic hydrocarbons which comprises: (a) contacting a lower alkane feed with a solid particulate aromatic hydrocarbon conversion catalyst in a fixed bed reaction zone to produce aromatic hydrocarbons and other products, whereby the catalyst is at least partially deactivated by the formation of undesirable coke deposits, (b) periodically regenerating the catalyst under regeneration conditions, (c) separating aromatic hydrocarbons from the other products and unreacted lower alkanes, and (d) optionally recycling unreacted lower alkanes to the reaction zone wherein the fixed bed reaction zone additionally comprises a volume of a catalytically inactive solid. | 12-08-2011 |
20130001131 | DUAL RISER CATALYTIC CRACKING PROCESS FOR MAKING MIDDLE DISTILLATE AND LOWER OLEFINS - A dual riser catalytic cracking process for preferentially making middle distillate and lower olefins. The system and process provide for the processing of multiple hydrocarbon feedstocks so as to selectively produce middle distillate boiling range product and lower olefins. The system and process uses two riser reactors, a single vessel for separating the cracked product and cracking catalyst received from both riser reactors, and a regenerator for regenerating coked or spent cracking catalyst. | 01-03-2013 |
20130167430 | PROCESS FOR CONVERTING A SOLID BIOMASS MATERIAL - A process for converting a solid biomass material comprising (a) mixing the solid biomass material with a fluid to form a fluidized biomass stream; and (b) propagating the fluidized biomass stream into the riser reactor via one or more delivery aperture(s); wherein the solid biomass material has a particle size distribution with a mean particle size diameter, and wherein the delivery aperture has a diameter equal to or more than three times the mean particle size diameter of the particle size distribution of the solid biomass material. | 07-04-2013 |
20130178672 | PROCESS FOR MAKING A DISTILLATE PRODUCT AND/OR C2-C4 OLEFINS - A process for making a distillate product and one or more C2-C4 olefins from a FCC feedstock containing a cellulosic material and a hydrocarbon co-feed is provided. | 07-11-2013 |
20140145356 | FEED NOZZLE ASSEMBLY - A feed nozzle assembly for co-currently introducing gas and liquid into a reactor vessel which feed nozzle assembly comprises (a) an inner tube defining a gas conduit and an outer tube arranged around the inner tube, wherein the outer surface of the inner tube and the inner surface of the outer tube define an annular liquid conduit, and wherein each of the tubes have an inlet end and an opposite outlet end; (b) a first nozzle attached to the outlet end of the inner tube; (c) a second nozzle attached to the outlet end of the outer tube and arranged downstream of the first nozzle, wherein the inner tube contains purging orifices. | 05-29-2014 |
20140148631 | PROCESS FOR PREPARING ETHYLENE AND/OR PROPYLENE - The present invention provides a process for preparing ethylene and/or propylene, wherein an oxygenate feedstock is contacted with a zeolite-comprising catalyst at a temperature in the range of from 500 to 700° C. to obtain a reactor effluent comprising ethylene and/or propylene and the oxygenate feedstock is contacted with the catalyst in a riser reactor having a reactor wall defining a flow trajectory towards a downstream outlet for reactor effluent, wherein at least oxygenate feedstock and catalyst are provided at one or more upstream inlets of the riser reactor and wherein C5 olefins are admitted to the riser reactor at one or more of locations along the length of the flow trajectory. The invention further provides a reaction system suitable for preparing ethylene and propylene. | 05-29-2014 |