Patent application number | Description | Published |
20080239872 | Wireless Logging of Fluid Filled Boreholes - A predetermined condition in a fluid-filled wellbore system can be detected by generating at least one sound in the wellbore system in response to the condition, such that a detectable change is created in some characteristic of the emitted sound, and detecting the at least one sound and the change, the detection being indicative that the predetermined condition has occurred. Equipment for facilitating detection of the condition can include a trigger operable in response to the condition; a generator operable to emit sound in the borehole and to create a detectable change in some characteristic of the emitted sound in response to the trigger; and at least one sensor operable to monitor the sound and detect the change, the detection being indicative that the predetermined condition has occurred. It is also possible to estimate a value of a property of a fluid-filled wellbore system. This can be accomplished by recording data including at least one of pressure and rate of flow at one or more locations in the wellbore system, and then estimating the value of the property by employing a model for predicting at least one of pressure and rate of flow dependent upon parameters detailing at least one of wellbore system geometry, viscoacoustic properties of the fluid and entrained solids contained in the wellbore system, locations of boundaries and entrained solids, and characteristics and locations of disturbances to pressure and flow in the wellbore system, in order to determine a best prediction of some attribute of the recorded data. | 10-02-2008 |
20080302530 | Apparatus and Method for Engaging a Tubular - An embodiment of the present invention comprises an apparatus for engaging with an outside diameter of a tubular comprises a device body having an internal surface that defines an internal diameter in a first position and allowing the tubular to pass therethrough and an actuator operable to move the internal surface of the device body from the first position to a second position, the second position defining an internal diameter less than the first position internal diameter. The internal surface of the device body is sized with a predetermined grip length for engaging with the outside diameter of the tubular. The grip length is determined by a function of the outside diameter of the tubular and the coefficient of friction between of the outside diameter of the tubular and the interior surface of the device body and the device body is operable to engage with a tubular having a predetermined range of outside diameters. | 12-11-2008 |
20080302542 | Riserless Deployment System - A method of deploying a tool into a pressurized well is provided that includes providing the well with a wellhead having a blow out preventer coupled thereto; setting a pressure barrier within the well at a distance below the blow out preventer that is at least as long as the length of the tool to create a pressure chamber between the blow out preventer and the pressure barrier; and opening the blow out preventer to allow for conveyance of the tool into the pressure chamber. | 12-11-2008 |
20090068031 | Pump Assembly - A technique facilitates the pumping of fluids in a well related application while minimizing the number of system components. The system and methodology comprise a plurality of pumps for use at a well site to deliver a well treatment fluid to a desired location. A single driveline is coupled between the plurality of pumps and a motive unit without incorporating a splitter box. The driveline is driven by the motive unit to rotate the plurality of pumps. | 03-12-2009 |
20100071899 | Wellsite Surface Equipment Systems - A system for powering wellsite surface equipment comprises at least one prime mover in communication with a fuel source for powering the prime mover and having at least one heat source, at least one pump arranged to be driven by the prime mover, the at least one pump in fluid communication with at least one wellbore and at least one fluid for use in the wellbore, and at least one auxiliary system in communication with the heat source from the at least one prime mover. | 03-25-2010 |
20100157720 | Vibration Enhanced Mixing Process - A method for mixing a slurry for delivery to a downstream point comprises mixing a liquid source and a powder source at a mixing location to form the slurry, directing the slurry to at least one of a downstream point and a recirculation circuit, and introducing at least one vibration source to promote slurry homogenization and thorough mixing of the slurry for delivery to the downstream point, the vibration source located remote from the mixing location. | 06-24-2010 |
20100243242 | METHOD FOR COMPLETING TIGHT OIL AND GAS RESERVOIRS - A method and apparatus for processing a subterranean formation comprising stimulating and fracturing a subterranean formation, and drilling the subterranean formation wherein the drilling and fracturing occurs without removing equipment for drilling from the formation. A method and apparatus for drilling and fracturing a subterranean formation, comprising a drill string assembly and a hydraulic fracturing system, wherein the drill string and fracturing system are in communication with a wellbore and wherein the drill string and a fracture formed by the hydraulic fracturing system are less than about 1000 feet apart. A method and apparatus for processing a subterranean formation comprising fracturing a subterranean formation using a hydraulic fracturing system and drilling the subterranean formation using a drill string assembly wherein the drilling and fracturing occurs without removing the drill string from the formation, and wherein the fracturing occurs via ports in the drill string assembly. | 09-30-2010 |
20100243251 | Apparatus and Method for Oilfield Material Delivery - An apparatus for mixing and delivering a material to a high pressure flow of fluid, comprises a pressure vessel comprising: a particulate solids inlet aperture located substantially in an upper portion of the pressure vessel; a first liquid inlet in fluid communication with a first high pressure line and the pressure vessel and comprising a first valve; and a first outlet in fluid communication with the pressure vessel and a second high pressure line and comprising a third valve. | 09-30-2010 |
20100243252 | Apparatus and Method for Oilfield Material Delivery - An embodiment of a method of operating at least two pressure vessels to inject a particulate slurry into a high-pressure line, comprises a first operating cycle comprising: isolating a pressure vessel from the high-pressure line, introducing, under low-pressure conditions, particulate solids into the pressure vessel through a particulate solids inlet aperture, a second operating cycle comprising: providing high-pressure flow into the pressure vessel, and providing a high-pressure slurry flow from the pressure vessel into the high-pressure line. The method further comprises causing a pressure vessel to operate in the first operating cycle while operating a pressure vessel in the second operating cycle, and synchronizing switching a first vessel from the first operating to a second operating cycle and switching a second vessel from the second operating cycle to the first operating cycle such that at least one of the vessels is operating in the second operating cycle. | 09-30-2010 |
20100243255 | Apparatus and Method for Oilfield Material Delivery - In an embodiment, a method of operating at least one pressure vessel to inject a particulate slurry into a high-pressure line, comprises a first operating cycle comprising: isolating the at least one pressure vessel from the high-pressure line; introducing particulate solids into the pressure vessel through a particulate solids inlet aperture; a second operating cycle comprising: providing high-pressure flow into the pressure vessel; and providing a high-pressure slurry flow from the pressure vessel into the high-pressure line. The method further comprises operating the at least one pressure vessel in the second operating cycle to create a heterogeneous flow of slurry into the high-pressure line. | 09-30-2010 |
20100263860 | System and Method to Provide Well Service Unit With Integrated Gas Delivery - A technique enables improved efficiency with respect to various coiled tubing and well servicing operations. The technique utilizes a combined mobile unit having several types of equipment combined into at least one transportable unit. The combined mobile unit may comprise a coiled tubing reel having coiled tubing, a well servicing system mounted to deliver material through the coiled tubing, and/or other well servicing components with the gas delivery system. The gas delivery system has a pressurized liquid gas vessel to deliver gas that can be used for well servicing operations, including purging material from coiled tubing. | 10-21-2010 |
20110052423 | Pump Assembly - A pump assembly and maintenance system and method. An inventory of pump components has an identifier to track the pump component and a sensor to gather operating data associated with the pump component. A population of pumps is assembled from the pump components. The operating data are correlated with the pump components based on the identifiers in a network-accessible database. The pump components can include interchangeable pump body modules that are separately tracked, whereby the pumps can be repaired by removing and replacing the interchangeable pump body modules. | 03-03-2011 |
20110067885 | SPLIT STREAM OILFIELD PUMPING SYSTEMS - A method of pumping an oilfield fluid from a well surface to a wellbore is provided that includes providing a clean stream; operating one or more clean pumps to pump the clean stream from the well surface to the wellbore; providing a dirty stream including a solid material disposed in a fluid carrier; and operating one or more dirty pumps to pump the dirty stream from the well surface to the wellbore, wherein the clean stream and the dirty stream together form said oilfield fluid. | 03-24-2011 |
20110085924 | PUMP ASSEMBLY VIBRATION ABSORBER SYSTEM - The vibration of a pump assembly, comprising a prime mover, a multiplex fluid pump connected to a drive line, and a transmission connected to transfer torque from the prime mover to the drive line to reciprocate a plurality of plungers, and a source of harmonic excitation, is inhibited by coupling a counteracting resonant system to the pump assembly, wherein the counteracting resonant system has an oscillatory frequency matching the harmonic excitation source. Also disclosed are a pump assembly comprising the prime mover, the multiplex fluid pump, the drive line, the transmission, and the counteracting resonant system; and a pumping method comprising connecting the transmission to transfer torque from the prime mover to rotate the drive line, connecting the drive line to the multiplex fluid pump, and coupling and tuning the counteracting resonant system to the induced harmonic excitation. | 04-14-2011 |
20110189028 | PRESSURE PULSE INTERACTION MANAGEMENT IN A MULTIPLE PUMP SYSTEM - Methods which include operating a plurality of pumps fluidly coupled to a common fluid line, and modulating a pumping speed of at least one of the pumps to reduce an amplitude of a pressure fluctuation in the common fluid line, where the modulating comprises maintaining an average aggregate pumping rate of the plurality of pumps. | 08-04-2011 |
20110267922 | MECHANICAL TUBE WAVE SOURCES AND METHODS OF USE FOR LIQUID FILLED BOREHOLES - The current application discloses methods and systems for generating mechanical tube waves in fluid filled boreholes penetrating subterranean formations. In one embodiment, the system of the current application comprises an energy storage chamber; a fast operating valve connected to the energy storage chamber; a pipe connected to the valve and extending to the liquid-filled borehole; where said energy storage chamber contains a first pressure that is substantially different from a second pressure in the pipe so that a fast operation of the valve generates a tube wave in the pipe. | 11-03-2011 |
20120006550 | Split Stream Oilfield Pumping Systems - A method of pumping an oilfield fluid from a well surface to a wellbore is provided that includes providing a clean stream; operating one or more clean pumps to pump the clean stream from the well surface to the wellbore; providing a dirty stream including a solid material disposed in a fluid carrier; and operating one or more dirty pumps to pump the dirty stream from the well surface to the wellbore, wherein the clean stream and the dirty stream together form said oilfield fluid. | 01-12-2012 |
20120018150 | FREQUENCY SWEEPING TUBEWAVE SOURCES FOR LIQUID FILLED BOREHOLES - A system for generating variable frequency tube waves includes a high pressure multiplex pump having a number of plungers, with each plunger operatively coupled to a suction valve on a suction side and a discharge valve on a discharge side. The suction valve or the discharge valve of a first one of the plungers includes an opening, such that the modified plunger on a discharge stroke pushes fluid through the opening in the suction or discharge valve. The system includes a tubular fluidly coupling the high pressure multiplex pump to a wellbore, and a pressure sensor that receives tube waves generated by the high pressure multiplex pump and reflected from the wellbore. | 01-26-2012 |
20120073805 | METHOD FOR MONITORING CEMENT PLUGS - A method for method of monitoring the parameters of a cement plug ( | 03-29-2012 |
20120085553 | ELECTRICALLY DRIVEN COILED TUBING INJECTOR ASSEMBLY - An assembly and techniques for employing multiple motors to drive an oilfield injector. The injector is configured to drive a well access line such as coiled tubing and the motors may be electric in nature. Additionally, the motors are configured to operate at substantially sufficient cooling speeds for electric motors. Nevertheless, the motors are coupled through a common differential mechanism such that a range of differential speeds may be derived via comparison of the operating speeds of the motors. Thus, a wide array of injection speeds may be employed without requiring the motors to operate at dangerously low speeds in terms of electric motor cooling. | 04-12-2012 |
20120164004 | Pump Assembly - A pump has power and fluid ends wherein one or more of the drive rods are offset from the plungers. An offset coupler connects a drive rod to an offset plunger. A method includes connecting the offset power end to the standard fluid end using the offset coupler. A repair and maintenance system includes inventories of standard fluid ends, power ends including offset power ends, and adapters, and a population of in service pumps, whereby the pumps can be repaired by removing and replacing the power ends from inventory using the adaptor where the replacement power end unit is offset. Another method includes removing and replacing the power end with one from the inventory, wherein the adapter is used in the case of an offset power end, whereby the offset and standard power ends may be used interchangeably. | 06-28-2012 |
20120318527 | Valve System For Downhole Tool String - A technique facilitates the delivery and testing of a tool string assembly downhole. The technique employs at least one rotatable element valve in the tool string at a location which enables the rotatable element valve to be used for selectively blocking or allowing fluid flow along an interior passage of the tool string. A one-way valve, such as a flapper valve, dart valve, or spring loaded ball valve, is deployed within a rotatable element of each rotatable element valve to combine flow control functions, thus enabling a shorter tool string section. The at least one rotatable element valve also may be designed to facilitate pressure testing of the tool string. | 12-20-2012 |
20120318531 | Pressure Pulse Driven Friction Reduction - A method for reducing friction between a coiled tubing and a wellbore includes: generating a periodic pressure wave; coupling the periodic pressure wave to a coiled tubing in a wellbore; and propagating the periodic pressure change in the coiled tubing wherein a friction force between the coiled tubing and the wellbore is reduced. The shape of the periodic pressure wave can be modulated to a form similar to that of a sinusoidal waveform. | 12-20-2012 |
20130002255 | INDICATING SYSTEM FOR A DOWNHOLE APPARATUS AND A METHOD FOR LOCATING A DOWNHOLE APPARATUS - A system for locating a downhole apparatus comprises a wellbore having an interior pressure cavity, wherein the apparatus is disposed in the pressure cavity, a magnetic device for generating a magnetic field in the pressure cavity, and a magnetic field indicator disposed external to the pressure cavity, the magnetic field indicator responsive to the magnetic field in the pressure cavity, wherein the magnetic field is indicative of a position of the apparatus in the pressure cavity. | 01-03-2013 |
20130025878 | SURFACE CONTROLLED REVERSIBLE COILED TUBING VALVE ASSEMBLY - A valve assembly for reversibly governing fluid flow through coiled tubing equipment. Valves of the assembly may be directed by a telemetric line running from an oilfield surface. In this manner, valve adjustment and/or reversibility need not require removal of the assembly from the well in order to attain manual accessibility. Similarly, operation of the valves is not reliant on any particular flow rate or other application limiting means. As such, multiple fluid treatments at a variety of different downhole locations may take place with a reduced number of trips into the well and without compromise to flow rate parameters of the treatments. | 01-31-2013 |
20130042752 | Pump Body - A pump body is pre-compressed by expanding a displacement plug in a cavity to pre-compress a portion of a pump body comprising a piston bore, an inlet bore and an outlet bore spaced from said cavity, and connected in a pump assembly. A fluid pump assembly is made up of a plurality of pump bodies connected side by side between opposing end plates with a plurality of fasteners tightened to compress the pump bodies between the end plates, wherein each pump body comprises a piston bore, an inlet bore, an outlet bore and an expanded displacement plug in a cavity; and wherein the expanded displacement plug applies a pre-compressive force at the cavity on each of the pump bodies. | 02-21-2013 |
20130098619 | SPLIT STREAM OILFIELD PUMPING SYSTEMS - A method of pumping an oilfield fluid from a well surface to a wellbore is provided that includes providing a clean stream; operating one or more clean pumps to pump the clean stream from the well surface to the wellbore; providing a dirty stream including a solid material disposed in a fluid carrier; and operating one or more dirty pumps to pump the dirty stream from the well surface to the wellbore, wherein the clean stream and the dirty stream together form said oilfield fluid. | 04-25-2013 |
20130112435 | Completion Method for Stimulation of Multiple Intervals - A technique provides for stimulating or otherwise treating multiple intervals/zones of a well by controlling flow of treatment fluid via a plurality of flow control devices. The flow control devices are provided with internal profiles and flow through passages. Mechanical darts are designed for engagement with the internal profiles of specific flow control devices, and each mechanical dart may be moved downhole for engagement with and activation of the specific flow control device associated with that mechanical dart. | 05-09-2013 |
20130112436 | Completion Method for Stimulation of Multiple Intervals - A technique provides for stimulating or otherwise treating multiple intervals/zones of a well by controlling flow of treatment fluid via a plurality of flow control devices. The flow control devices are provided with internal profiles and flow through passages. Hydraulic darts are designed for selective engagement with the internal profiles of specific flow control devices, and each hydraulic dart may be moved downhole for engagement with and activation of a specific flow control device. | 05-09-2013 |
20130233542 | SYSTEM AND METHOD FOR DELIVERING TREATMENT FLUID - The current application discloses methods and systems for preparing a pump-ready treatment fluid, delivering the pump-ready treatment fluid to a location operationally coupled to a wellsite, providing the pump-ready treatment fluid to a pump; and pumping the pump-ready treatment fluid into a wellbore. In some embodiments, the treatment fluid is a fracturing fluid for conducting a hydraulic fracturing operation on a subterranean formation penetrated by a wellbore. | 09-12-2013 |
20130324444 | SYSTEM AND METHOD FOR DELIVERING TREATMENT FLUID - The current application discloses methods and systems for preparing a wellbore treatment fluid precursor consolidated as one or more solid bodies; delivering the solid bodies to a logistics facility; and preparing a wellbore treatment fluid from the solid bodies. In some embodiments, the wellbore treatment fluid is a fracturing fluid for conducting a hydraulic fracturing operation on a subterranean formation penetrated by a wellbore. | 12-05-2013 |
20140027114 | APPARATUS AND METHOD FOR OILFIELD MATERIAL DELIVERY - An embodiment of a method of operating at least two pressure vessels to inject a particulate slurry into a high-pressure line, comprises a first operating cycle comprising: isolating a pressure vessel from the high-pressure line, introducing, under low-pressure conditions, particulate solids into the pressure vessel through a particulate solids inlet aperture, a second operating cycle comprising: providing high-pressure flow into the pressure vessel, and providing a high-pressure slurry flow from the pressure vessel into the high-pressure line. The method further comprises causing a pressure vessel to operate in the first operating cycle while operating a pressure vessel in the second operating cycle, and synchronizing switching a first vessel from the first operating to a second operating cycle and switching a second vessel from the second operating cycle to the first operating cycle such that at least one of the vessels is operating in the second operating cycle. | 01-30-2014 |
20140069651 | SPLIT STREAM OILFIELD PUMPING SYSTEMS - A method of pumping an oilfield fluid from a well surface to a wellbore is provided that includes providing a clean stream; operating one or more clean pumps to pump the clean stream from the well surface to the wellbore; providing a dirty stream including a solid material disposed in a fluid carrier; and operating one or more dirty pumps to pump the dirty stream from the well surface to the wellbore, wherein the clean stream and the dirty stream together form said oilfield fluid. | 03-13-2014 |
20140076577 | SYSTEM AND METHOD FOR REDUCING PRESSURE FLUCTUATIONS IN AN OILFIELD PUMPING SYSTEM - Presented herein is a system, method, and assembly for reducing pressure fluctuations in an oilfield pumping system. The pressure fluctuation dampening assembly includes a junction, a dampening chamber, and a supply of a compressible medium. The compressible medium is supplied so as to form an interface between the fluid and the compressible medium such that a pressure fluctuation of fluid passing through the junction is reduced. | 03-20-2014 |
20140216736 | SYSTEM AND METHOD FOR DELIVERING TREATMENT FLUID - A system includes a regional blending facility having a number of bulk receiving facilities, where each bulk facility receives and stores a particle type having a distinct size modality, a bulk moving device that transfers particles between the bulk receiving facilities and of a blending/continuously receiving vessel and/or a mixer, and a carrying medium vessel. The mixer receives particles from the blending/continuously receiving vessel and/or the bulk moving device, receives a carrying medium from the carrying medium vessel, mixes the particles with the carrying medium, and provides a mixed treatment fluid. The system includes a fluid conduit that fluidly couples a wellsite location with the regional blending facility, where the fluid conduit delivers the mixed treatment fluid to the wellsite and/or delivers produced fluid from a wellbore positioned at the wellsite to the regional blending facility. | 08-07-2014 |
20140262338 | BLENDER SYSTEM WITH MULTIPLE STAGE PUMPS - A blending system for oilfield operations is disclosed having a first stage pump with a mixer having a housing and an impeller and configured to receive a liquid component at an initial pressure and a dry component and mix the liquid and dry components to form a slurry, add energy to the slurry to increase its pressure above the initial pressure, and discharge the slurry through an outlet at a first pressure, and a second stage pump with an inlet and an outlet, the inlet in fluid communication with the first stage pump. The second stage pump is configured to receive the slurry from the first stage pump and pressurize the slurry to a second pressure at the outlet of the second stage pump. The second stage pump is positioned relative to the first stage pump to minimize a pressure loss between the first stage pump and the second stage pump. | 09-18-2014 |
20140345865 | Wellsite Surface Equipment Systems - A system for powering wellsite surface equipment comprises at least one prime mover in communication with a fuel source for powering the prime mover and having at least one heat source, at least one pump arranged to be driven by the prime mover, the at least one pump in fluid communication with at least one wellbore and at least one fluid for use in the wellbore, and at least one auxiliary system in communication with the heat source from the at least one prime mover. | 11-27-2014 |
20150083426 | SOLIDS DELIVERY APPARATUS AND METHOD FOR A WELL - A method that is usable with a well includes introducing solids into a pneumatic stream to produce a solids-containing pneumatic stream; communicating the solids-containing pneumatic stream to a blender assembly to mix the solids with at least one other material to produce a flow; and pumping the flow into the well. | 03-26-2015 |