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公开(公告)号：US20220235636A1
公开(公告)日：2022-07-28
申请号：US17580795
申请日：2022-01-21
摘要： A rod rotator assembly for an artificial lift system includes a housing configured to be supported by a carrier of the artificial lift system. The rod rotator assembly also includes a top cap configured to rotate relative to the housing, in which the top cap is configured to support a polish rod of the artificial lift system. In addition, the rod rotator assembly includes a load cell disposed within the housing. The load cell is configured to support the top cap, and the load cell is configured to output a sensor signal indicative of a load applied by the polish rod to the housing.
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公开(公告)号：US20230066565A1
公开(公告)日：2023-03-02
申请号：US17900460
申请日：2022-08-31
摘要： A stuffing box assembly for an artificial lift system includes a stuffing box including a housing having a passage, in which the housing has a shoulder disposed along the passage. The stuffing box also includes a seal disposed within the passage and engaged with the shoulder. The seal is configured to engage a polish rod while the polish rod extends through the passage, and the seal is configured to expand radially in response to longitudinal compression of the seal. In addition, the stuffing box includes an actuator having an engagement element configured to move along a longitudinal axis to compress the seal. Furthermore, the stuffing box assembly includes a controller configured to determine a flow rate of fluid bypassing the seal based on one or more input signals, and the controller is configured to control the actuator based on the flow rate.
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公开(公告)号：US20220251921A1
公开(公告)日：2022-08-11
申请号：US17666897
申请日：2022-02-08
IPC分类号： E21B33/068 , E21B43/12 , E21B17/042
摘要： A stuffing box for an artificial lift system includes a primary housing having threads. The stuffing box also includes at least one primary seal disposed within the primary housing, in which the at least one primary seal is configured to engage a polish rod. The stuffing box includes a secondary housing having threads. The stuffing box also includes at least one secondary seal disposed within the secondary housing, in which the at least one secondary seal is configured to engage the polish rod. The threads of the secondary housing are configured to engage the threads of the primary housing to couple the secondary housing to the primary housing, and the secondary housing is configured to compress the at least one primary seal via rotation of the secondary housing relative to the primary housing while the threads of the secondary housing are engaged with the threads of the primary housing.
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公开(公告)号：US20220236082A1
公开(公告)日：2022-07-28
申请号：US17586292
申请日：2022-01-27
摘要： A rotation monitoring assembly for an artificial lift system includes a sensor having a body configured to couple to one of a non-rotating component of a polish rod connection assembly or a rotating component of the polish rod connection assembly. The rotation monitoring assembly also includes a target configured to couple to the other of the non-rotating component of the polish rod connection assembly or the rotating component of the polish rod connection assembly. A property of the target varies substantially continuously along a circumferential extent of the target, and the sensor is configured to output a sensor signal indicative of the property of the target.
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