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公开(公告)号：US20210364669A1
公开(公告)日：2021-11-25
申请号：US16878053
申请日：2020-05-19
IPC分类号： G01V99/00 , E21B47/06 , E21B47/07 , E21B49/00 , E21B43/267
摘要： Multi-well fracture control incorporates physical well properties into a model for fracture geometry to determine optimal mitigation techniques for well interference effects. Sensors in a monitoring well and a treatment well measure well properties during fluid injection and pumping in the treatment well. The measurement data is used to constrain fracture geometry model. The fracture geometry model is then used to calculate fracture growth rates and direction which are used to calculate an estimated time for the occurrence of well interference effects in the multi-well system. From the fracture geometry model, fracture growth rates and direction, and the estimated time for the occurrence of well interference, locations of potential well interference effects are predicted. A mitigation strategy is planned based on the predicted location and time of well interference events. Treatment actions can be taken in anticipation of the well interference events.
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公开(公告)号：US10989021B1
公开(公告)日：2021-04-27
申请号：US16704737
申请日：2019-12-05
IPC分类号： E21B40/00 , E21B43/267
摘要： A pressure equalizing system comprising a high pressure pump, a low pressure pump, a pressure adjusting device, a fluid interface separator, and a chamber; wherein the system is transitionable between loading and discharging configurations via a pressure equalizing configuration; wherein the fluid interface separator is downstream of the high pressure and low pressure pumps, and upstream of the pressure adjusting device and chamber; wherein the fluid interface separator is configured to transition the system between loading and discharging configurations; wherein, when the system is in pressure equalizing configuration and transitioning from discharging to loading configuration, the pressure adjusting device decreases pressure of chamber from first pressure to within ±100 psig of second pressure; and wherein, when the system is in pressure equalizing configuration and transitioning from loading to discharging configuration, the pressure adjusting device increases pressure of chamber from second pressure to within ±100 psig of first pressure.
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3.发明授权公开(公告)号：US11548782B1
公开(公告)日：2023-01-10
申请号：US17809387
申请日：2022-06-28
摘要： Green hydrogen and solid carbon can be produced by reacting captured methane with a catalyst in a reaction chamber. A liquid base fluid can form a continuous phase within the reaction chamber with a plurality of liquid metal carrier droplets dispersed in the base fluid. The catalyst can be nano-sized particles that can coat the surfaces of the carrier droplets. Agitation can be supplied to the reaction chamber to maintain dispersion of the liquid metal carrier droplets and increase contact of the methane and catalyst particles. The reaction temperature can be less than the temperature required for water electrolysis or steam methane reforming processes. The green hydrogen and solid carbon can be used as a power source for wellsite equipment in the form of fuel cells to generate electricity or power or used to charge batteries.
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公开(公告)号：US11439966B2
公开(公告)日：2022-09-13
申请号：US17276922
申请日：2018-11-19
IPC分类号： B01F35/21 , E21B43/26 , C09K8/80 , E21B21/06 , B01F25/431 , B01F25/433 , B01F35/221
摘要： A system includes a high-pressure static mixer. The system also includes a clean fluid system that provides clean fluid to the first high-pressure static mixer at a first fluid velocity and a proppant fluid system that provides a proppant concentrate to the first high-pressure static mixer at a second fluid velocity. Additionally, the system includes a wellhead in fluid communication with the first high-pressure static mixer. The wellhead receives a mixed fluid including the clean fluid and the proppant concentrate from the first high-pressure static mixer.
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公开(公告)号：US20190162061A1
公开(公告)日：2019-05-30
申请号：US16313380
申请日：2016-08-12
IPC分类号： E21B43/26 , F04B17/03 , H01M8/22 , H01M8/0662 , H01M8/24
CPC分类号： E21B43/26 , F04B17/03 , H01M8/0662 , H01M8/22 , H01M8/24 , H01M2250/10
摘要： In accordance with presently disclosed embodiments, a system and method for using fuel cells to generate electricity for powering well stimulation equipment (e.g., high pressure hydraulic pumping units) at a well stimulation site are provided. The fuel cells may be coupled to the stimulation equipment via a DC/AC converter and, in some embodiments, via a variable frequency drive (VFD). The fuel cells may be arranged in a fuel cell stack that is used to generate electricity to power various electrical devices (e.g., electric motors) on the equipment. The fuel cells generally operate at higher efficiencies than is available through the use of diesel engines. In addition, the fuel cells may require less frequent refueling and provide a more centrally located area for refueling, lower emissions, and quieter operations than are currently available using diesel engines.
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公开(公告)号：US20230012856A1
公开(公告)日：2023-01-19
申请号：US17376445
申请日：2021-07-15
发明人： Stanley Vernon Stephenson , Timothy Holiman Hunter , Billy D. Coskrey , David Rand Hill , Andrew Silas Clyburn , Corey Gene Ralls
IPC分类号： G01M15/02
摘要： The disclosure provides for a wellbore servicing system that comprises an engine operable to provide power to one or more pumps. The one or more pumps are operable to direct a fluid into a wellbore, wherein the engine is coupled to the one or more pumps via a transmission. The system further comprises an engine control module (ECM) coupled to the engine. The system further comprises a controller coupled to the one or more pumps and operable to determine the volumetric efficiency of each of the one or more pumps. The system further comprises an information handling system, wherein the ECM and the controller are communicatively coupled to the information handling system, wherein the information handling system is operable to determine a divergence when a load is placed on the engine and a pumping plan for the system.
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公开(公告)号：US20220260071A1
公开(公告)日：2022-08-18
申请号：US17738946
申请日：2022-05-06
摘要： In accordance with presently disclosed embodiments, a hybrid drive system that uses multiple sources of mechanical energy to drive a pump is provided. The hybrid drive system may include a first mover for generating first mechanical energy, a pump, a drivetrain for providing first mechanical energy from the first mover to the pump, and a second mover within the drivetrain to generate and provide second mechanical energy to the pump. The multiple sources of mechanical energy may provide flexibility with respect to system design and allow for alternative sources of fuel and energy to be used to drive pumping systems. This may reduce the total diesel fuel consumption necessary to perform a well stimulation operation as well as provide for configurations in which diesel engines may be excluded from the pumping process in favor of alternative energy sources that typically do not have sufficient torque capacity to power a pump.
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8.发明授权公开(公告)号：US11346197B2
公开(公告)日：2022-05-31
申请号：US16332739
申请日：2016-12-13
发明人： Stanley Vernon Stephenson , Philip D. Nguyen , Jim Basuki Surjaatmadja , Norman Raymond Warpinski , Ronald Glen Dusterhoft
摘要： The embodiments herein relate generally to subterranean formation operations and, more particularly, systems and methods for achieving target downhole pressures having target downhole wave shapes for enhancement of subterranean formation stimulation and production. In particular, a treatment fluid is introduced into a subterranean formation and a downhole pressure wave in the subterranean formation having a downhole wave shape is determined, and a surface pressure wave having a surface wave shape is determined. The downhole wave shape and the surface wave shape are compared, followed by adjustment of the surface pressure to achieve a target downhole pressure wave in the subterranean formation having a target downhole wave shape. The target downhole pressure and target downhole wave shape may be selected to maximize production of the subterranean formation.
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公开(公告)号：US20190178235A1
公开(公告)日：2019-06-13
申请号：US16321155
申请日：2016-09-02
摘要： In accordance with presently disclosed embodiments, a hybrid drive system that uses multiple sources of mechanical energy to drive a pump is provided. The hybrid drive system may include a first mover for generating first mechanical energy, a pump, a drivetrain for providing first mechanical energy from the first mover to the pump, and a second mover within the drivetrain to generate and provide second mechanical energy to the pump. The multiple sources of mechanical energy may provide flexibility with respect to system design and allow for alternative sources of fuel and energy to be used to drive pumping systems. This may reduce the total diesel fuel consumption necessary to perform a well stimulation operation as well as provide for configurations in which diesel engines may be excluded from the pumping process in favor of alternative energy sources that typically do not have sufficient torque capacity to power a pump.
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公开(公告)号：US20190070575A1
公开(公告)日：2019-03-07
申请号：US16083466
申请日：2016-05-06
发明人： Jim Basuki Surjaatmadja , Timothy Holiman Hunter , Stanley Vernon Stephenson , Bryan John Lewis , Calvin Lynn Stegemoeller , Austin Carl Schaffner , Bryan Chapman Lucas
摘要： Methods and apparatus are disclosed for mixing proppant and other solids with one or more fracturing fluids to form a fracturing slurry, and for delivering the fracturing slurry to a wellbore. In the example systems as described herein, the proppant is mixed with the fracturing fluids through an assembly that limits the number of pumps that are required to move the relatively abrasive proppant]containing fluids. Additionally, in the example systems, the proppant is mixed within enclosed structures, thereby minimizing the escape of dust and other particulates into the surrounding atmosphere and onto the equipment at the well site.
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