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公开(公告)号：US11448049B2
公开(公告)日：2022-09-20
申请号：US17012438
申请日：2020-09-04
发明人： Mitchell A. Boyd , Garrett S. Boyd
摘要： A disclosed control system for a gas assisted plunger lift (GAPL) system includes a sensor and a processor circuit. The sensor is configured to measure a plunger speed and/or velocity and the processor circuit is configured to control various parameters of the GAPL based on the measured plunger speed and/or velocity. The processor circuit may be configured to adjust a gas injection rate parameter based on the measured plunger speed and/or velocity, and/or may adjust one or more parameters including: a close time, an afterflow time, a flow rate, a load factor, a tubing pressure, a casing pressure, and a tubing/casing differential pressure. The controller may be further configured to adjust all parameters simultaneously or may sequentially adjust a first sub-set of parameters and then adjust a second sub-set of parameters. The first sub-set may include a gas injection flow rate and the second sub-set may include after-flow and close time parameters.
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公开(公告)号：US20220145736A1
公开(公告)日：2022-05-12
申请号：US17581301
申请日：2022-01-21
发明人： Garrett S. Boyd , Mitchell A. Boyd
IPC分类号： E21B43/12 , F04B47/12 , E21B34/08 , G06F16/182 , G06F16/18 , G06F16/11 , G06F16/14 , G06F16/176 , G06F16/178 , G06F16/00 , G06F16/10 , G06F16/13 , G06F15/16 , H04L67/1095
摘要： A bypass plunger combines a unitary or one-piece hollow body-and-valve cage, retains a dart valve within the valve cage portion of the hollow body using a threaded retaining nut secured by crimple detents. A series of helical grooves surround the central portion of the outer surface of the hollow body of the plunger to control spin during descent. A canted-coil-spring disposed within the retaining nut functions as a clutch. The valve cage includes ports that may be configured to control flow through the plunger during ascent. Other embodiments include clutch assemblies using canted-coil springs with split bobbins, and valve stems surfaced to achieve specific functions. Combinations of these features provide enhanced performance, durability and reliability at reduced manufacturing cost, due primarily to the simplicity of its design.
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公开(公告)号：US20210140285A1
公开(公告)日：2021-05-13
申请号：US17152181
申请日：2021-01-19
IPC分类号： E21B43/12 , E21B33/068 , F04B47/12
摘要： A bypass plunger includes a plunger body that includes a head portion located at one end of the plunger body and a tail portion located at an opposite end of the plunger body. The head portion includes at least one flow port, and the tail portion includes at least one passageway. A valve component is disposed within an internal bore of the plunger body and is moveable between an open position and a closed position. At least one plug is located within a respective one of the flow ports and/or a respective one of the passageways, and is configured to reduce or prevent flow through the respective flow port or the respective passageway.
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公开(公告)号：US20210047904A1
公开(公告)日：2021-02-18
申请号：US16887051
申请日：2020-05-29
发明人： Mitchell A. Boyd , Garrett S. Boyd
IPC分类号： E21B43/12 , F16F1/04 , F16F7/00 , B21D39/20 , E21B17/043
摘要： A bumper spring assembly having a one piece mandrel including an integral head piece is further configured with a cage assembly retained on the mandrel with a cage nut locked to the mandrel to obviate the need for pins, set screws, and the like, to provide a more robust assembly. In two embodiments the cage nut is locked to the mandrel in a swaging operation. Improved flow of fluids through and around the bumper spring assembly are also provided
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公开(公告)号：US10907453B2
公开(公告)日：2021-02-02
申请号：US16862112
申请日：2020-04-29
发明人： Mitchell A. Boyd , Garrett S. Boyd
摘要： A bypass plunger includes a unibody, or one-piece hollow body and valve cage, retains a dart valve within the valve cage portion using a threaded retaining nut secured by crimple detents, and includes sealable flow parts. A series of helical grooves surround the central portion of the outer surface of the hollow body of the plunger to control spin during descent. A canted-coil-spring disposed within the retaining nut functions as a clutch. The valve cage includes ports that may be configured to control flow through the plunger during descent. Other embodiments include clutch assemblies using canted-coil springs with split bobbins, and surfaced valve stems surfaced.
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公开(公告)号：US09963957B2
公开(公告)日：2018-05-08
申请号：US15048467
申请日：2016-02-19
发明人： Garrett S. Boyd , Mitchell A. Boyd
CPC分类号： E21B43/123 , E21B34/08 , E21B43/121 , F04B47/12
摘要： A bypass plunger combines a unitary or one-piece hollow body-and-valve cage, retains a dart valve within the valve cage portion of the hollow body using a threaded retaining nut secured by crimple detents. A series of helical grooves surround the central portion of the outer surface of the hollow body of the plunger to control spin during descent. A canted-coil-spring disposed within the retaining nut functions as a clutch. The valve cage includes ports that may be configured to control flow through the plunger during ascent. Other embodiments include clutch assemblies using canted-coil springs with split bobbins, and valve stems surfaced to achieve specific functions. Combinations of these features provide enhanced performance, durability and reliability at reduced manufacturing cost, due primarily to the simplicity of its design.
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公开(公告)号：US09624996B2
公开(公告)日：2017-04-18
申请号：US14996828
申请日：2016-01-15
发明人： Mitchell A. Boyd , Garrett S. Boyd
CPC分类号： E21B43/121 , B21D39/20 , B23B47/00 , E21B17/043 , F16F1/04 , F16F1/12
摘要： A bumper spring assembly having a one piece mandrel including an integral head piece is further configured with a cage assembly retained on the mandrel with a cage nut locked to the mandrel to obviate the need for pins, set screws, and the like, to provide a more robust assembly. In two embodiments the cage nut is locked to the mandrel in a swaging operation. Improved flow of fluids through and around the bumper spring assembly are also provided.
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公开(公告)号：US11578570B2
公开(公告)日：2023-02-14
申请号：US17746761
申请日：2022-05-17
发明人： Mitchell A. Boyd , Garrett S. Boyd
摘要： A bypass plunger includes a unibody, or one-piece hollow body and valve cage, retains a dart valve within the valve cage portion using a threaded retaining nut secured by crimple detents, and includes sealable flow parts. A series of helical grooves surround the central portion of the outer surface of the hollow body of the plunger to control spin during descent. A canted-coil-spring disposed within the retaining nut functions as a clutch. The valve cage includes ports that may be configured to control flow through the plunger during descent. Other embodiments include clutch assemblies using canted-coil springs with split bobbins, and surfaced valve stems surfaced.
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公开(公告)号：US20220056785A1
公开(公告)日：2022-02-24
申请号：US17518140
申请日：2021-11-03
发明人： Garrett S. Boyd , Mitchell A. Boyd
摘要： A bypass plunger formed as an integral one-piece hollow body-and-valve cage unit retains a dart valve within a valve cage section of the hollow body with a threaded retaining nut that may be secured by crimple means. A boundary zone, defined along the plunger body, where the integral valve cage section adjoins the plunger body, is configured with a uniform outer diameter to maximize the plunger body wall thickness and durability of the one-piece bypass plunger. The valve cage may have flow ports configured with ramps at an angle with the longitudinal axis to control flow through the flow ports during descent of the bypass plunger. A clutch assembly using garter springs with split bobbins may be disposed within the valve cage portion of the one-piece bypass plunger.
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公开(公告)号：US10273789B2
公开(公告)日：2019-04-30
申请号：US15048491
申请日：2016-02-19
发明人： Garrett S. Boyd , Mitchell A. Boyd
摘要： A bypass plunger combines a unitary or one-piece hollow body-and-valve cage, retains a dart valve within the valve cage portion of the hollow body using a threaded retaining nut secured by crimple detents. A series of helical grooves surround the central portion of the outer surface of the hollow body of the plunger to control spin during descent. A canted-coil-spring disposed within the retaining nut functions as a clutch. The valve cage includes ports that may be configured to control flow through the plunger during ascent. Other embodiments include clutch assemblies using canted-coil springs with split bobbins, and valve stems surfaced to achieve specific functions. Combinations of these features provide enhanced performance, durability and reliability at reduced manufacturing cost, due primarily to the simplicity of its design.
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