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公开(公告)号：US10690281B2
公开(公告)日：2020-06-23
申请号：US16062117
申请日：2016-07-18
Inventor： Qingyou Liu , Haiyan Zhu , Xu Luo , Guorong Wang
Abstract: A pipeline robot capable of steering actively comprises at least two driving knuckles and at least one steering knuckle. Every two adjacent driving knuckles are connected by the steering knuckle. A front end cover is fixed on the front end surface of the driving knuckle at the most front end. A sensor is mounted in the center of the front end cover. A rear end cover is fixed on the rear end surface of the driving knuckle at the rearmost end. A universal spherical hinge is arranged in the center of the rear end cover. Each driving knuckle comprises a main frame, driving mechanisms and telescopic mechanisms; the telescopic mechanisms are mounted in the main frame, and capable of causing contraction of the driving mechanisms into the main frame. The steering knuckle can drive the front driving knuckle connected thereto to steer.
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公开(公告)号：US11255745B2
公开(公告)日：2022-02-22
申请号：US16982439
申请日：2019-04-26
Inventor： Jun Liu , Xiaoqiang Guo , Qingyou Liu , Yufa He , Anchao Wei , Linlin Zeng , Jianxun Wang
IPC: G01M7/02
Abstract: The present invention discloses a testing device and method for simulating longitudinal-transverse-torsional coupled nonlinear vibration of a drill string in deep-water riser-free drilling. The testing device comprises a pool (1), a motor (2) and a hook load adjustment device (3), wherein a guide wheel (4) is provided on the top of the pool (1); a support seat A (5) and a support seat B (6) are fixed on the bottom surface of the pool (1); an organic glass tube (8) is fixed between the support seat A (5) and the support seat B (6); a casing (9) is respectively provided on the top surface of the support seat B (6) and the top surface of the trailer (7); the left end of the plastic tube (10) extends into the organic glass tube (8) along the axis of the organic glass tube (8). The present invention further discloses a simulation method. The present invention has the following beneficial effects: the structure is compact; the longitudinal-transverse-torsion coupled vibration responses of the drill string under different rotating speeds of the drill string, ocean flow rates, flow rates of the drilling fluid, torsional excitations and longitudinal excitations at the bottom of the formation section is simulated, thereby filling up the blank in the riser-free drilling system.
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公开(公告)号：US11598180B2
公开(公告)日：2023-03-07
申请号：US16963715
申请日：2018-05-21
Applicant: SouthWest Petroleum University
Inventor： Guorong Wang , Shouwei Zhou , Qingyou Liu , Qingping Li , Qiang Fu , Yufa He , Pu Yang , Lin Zhong
Abstract: The invention discloses an experimental device for natural gas hydrate solid-state fluidized mining and crushing, the experimental device comprising a power liquid supply module, a hydrate suction module, a pipeline conveying module, a hydrate fluidized crushing module, a secondary processing module and an experimental data information collection and processing module. An experimental method for the experimental device comprises: turning on the power liquid supply module, the hydrate suction module, the pipeline conveying module, the hydrate fluidized crushing module and the secondary processing module, and collecting pressure and flow data at a plurality of locations by the experimental data information collection and processing module. The present invention has the following beneficial effects: a jet solid-state fluidized mining process is simulated, and a plurality of pressure and flow detection points and sampling ports for crushed samples are provided at the same time so as to facilitate parameter collection; a plurality of component parameters are flexibly variable, including changing a drag-back speed of a moving slider, shape parameters of jet nozzles, and a pressure and flow of a power liquid; a spray head is designed to simplify the experimental device, and a dynamic process of jet crushing may be observed from a side surface of an experimental tank.
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4.发明授权公开(公告)号：US11434727B2
公开(公告)日：2022-09-06
申请号：US17537437
申请日：2021-11-29
Applicant: Southwest Petroleum University
Inventor： Yang Tang , Zeliang Li , Guorong Wang , Qingyou Liu , Jinhai Zhao , Guangjie Yuan , Jinzhong Wang , Yufa He , Qingping Li , Chuanhua Ma , Yuan Huang
Abstract: An in situ exploitation-separation-backfilling integration apparatus for natural gas hydrates is disclosed, consisting of a cyclonic suction device for coarse fraction, a jet flow device for sand discharge and a spiral cyclone device for fine fraction. The cyclonic suction device for coarse fraction is provided with a vortex trough and a cyclonic auxiliary flow channel; the jet flow device for sand discharge mainly consists of a sand discharge sliding sleeve, a sand discharge jet cylinder and a spring, wherein the sand discharge sliding sleeve can control the spraying out of hydraulic fluid and it is provided with a sand discharge butting head; inside the spiral cyclone device for fine fraction is a tapered structure and its upper portion is provided with a centering bracket.
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5.发明授权公开(公告)号：US10801942B2
公开(公告)日：2020-10-13
申请号：US16306030
申请日：2017-09-06
Applicant: SOUTHWEST PETROLEUM UNIVERSITY
Inventor： Chenghua Ou , Haiyan Zhu , Qingyou Liu , Chaochun Li
Abstract: A multi-functional multi-field coupling seepage experiment device includes a device body, a stress field control system, a temperature field control system, a fluid loading control system and a fluid seepage measurement system. The present invention further discloses seepage experiments performed on tight gas, shale gas, tight oil, shale oil, natural gas hydrate and geothermal heat in a multi-field coupling state of a temperature field, a stress field, a pore pressure field and a seepage field.
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Patent Agency Ranking
公开(公告)号：US11946374B2
公开(公告)日：2024-04-02
申请号：US18347179
申请日：2023-07-05
Applicant: Southwest Petroleum University
Inventor： Yang Tang , Miantao Guan , Yulin Zhang , Peng Zhao , Guorong Wang , Jinhai Zhao , Qingyou Liu , Jinzhong Wang , Xiang Gao , Yufa He , Hu Deng , Liming Fan , Rutao Ma
CPC classification number: E21B7/061 , E21B23/006 , E21B23/0411
Abstract: The disclosure relates to an omni-directional horizontally oriented deflecting tool for a coiled tubing, which includes an inner central pipe, an outer central pipe, a conical outer cylinder, a piston outer cylinder, an anchoring mechanism, a sealing mechanism, a reversing mechanism and a steering mechanism. The anchoring mechanism includes a cone, an O-shaped sealing ring I, a cone spring, a slip, a slip spring, a slip seat, a claw I and a pin shaft I, and the sealing mechanism includes a piston, an O-shaped sealing ring II, a claw II, a pin shaft II, an upper rubber cylinder seat, a rubber cylinder, a connecting cylinder, a lower rubber cylinder seat and a gasket.
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7.发明授权公开(公告)号：US10822927B2
公开(公告)日：2020-11-03
申请号：US16601562
申请日：2019-10-14
Applicant: SOUTHWEST PETROLEUM UNIVERSITY
Inventor： Yang Tang , Guorong Wang , Shouwei Zhou , Qingyou Liu , Lin Zhong , Wang Li , Qingping Li , Qiang Fu , Yufa He , Chuan Wang , Leizhen Wang
Abstract: Disclosed is a device for solid-state fluidized mining of natural gas hydrates in a shallow seabed, including: a sea surface support system, a pipeline delivery system, and an undersea drilling system. The sea surface support system includes a hydrate drilling vessel floating on seawater. The pipeline delivery system includes a continuous double-layer oil pipe, a recyclable conduit installed in a sediment cover, an open-hole steering packer installed outside the recyclable conduit. The undersea drilling system includes a hydrate slurry separator, a single screw pump, a hydraulic motor, a jet head and a differential pressure sliding sleeve close to the hydrate drill bit. The present invention has the following beneficial effects. The device achieves a multi-directionally horizontal drilling and production in the hydrate reservoir with a single well head, improving the drilling efficiency and single well production.
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公开(公告)号：US10655436B2
公开(公告)日：2020-05-19
申请号：US16063703
申请日：2017-04-24
Applicant: SOUTHWEST PETROLEUM UNIVERSITY
Inventor： Qingyou Liu , Guorong Wang , Shouwei Zhou , Leizhen Wang , Rong Huang , Qingping Li , Qiang Fu
Abstract: The present invention discloses a device for solid-state fluidization mining of seabed shallow layer non-diagenetic natural gas hydrates. The device comprises a hydraulic jet nozzle set, a coiled tubing, a hydrate collecting ship arranged on the sea surface, a transfer station arranged in sea water and a riser arranged in a seabed surface layer. A guide seat is arranged in the riser. The hydraulic jet nozzle set is arranged in the guide seat. A delivery pipe connected with the transfer station sleeves a nozzle body. An opening is formed in a position where the delivery pipe is in contact with the nozzle body. The transfer station is connected with the hydrate collecting ship. The present invention further discloses a method for collecting seabed shallow layer non-diagenetic hydrates.
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公开(公告)号：US10550647B2
公开(公告)日：2020-02-04
申请号：US16066060
申请日：2017-09-01
Applicant: SOUTHWEST PETROLEUM UNIVERSITY
Inventor： Yang Tang , Qingyou Liu , Guorong Wang , Wang Li
IPC: E21B17/02 , H01R13/62 , H01R43/26 , H01R13/631
Abstract: The present invention discloses a downhole automatic connection device for an oil pipe internal communication cable for intelligent layered water injection. The connection device comprises a water injection pipe string in which a cable lowering mechanism is arranged. The cable lowering mechanism comprises a cable, a cable female connector, a motor and load-bearing blades. The cable female connector comprises a female connector shell, a jack insulating plate and an electromagnet. A cable male connector is also fixedly arranged in the water injection pipe string. The cable male connector comprises a male connector shell, a pin insulating plate and an NdFeB magnet. A pin wire welding point is electrically connected with a sensor on an intelligent water distributor. A lead arranged in the pin insulating plate is connected between a pin and the pin wire welding point. The present invention also discloses a connection method.
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10.发明授权Deepwater drilling condition based marine riser mechanical behavior test simulation system and test method 有权基于深水钻井条件的船舶立管机械性能试验仿真系统及试验方法公开(公告)号：US09476292B2
公开(公告)日：2016-10-25
申请号：US14432486
申请日：2014-01-06
Applicant: SOUTHWEST PETROLEUM UNIVERSITY , Qingyou Liu , Shouwei Zhou , Liangjie Mao
Inventor： Qingyou Liu , Shouwei Zhou , Liangjie Mao
CPC classification number: E21B44/00 , E21B17/01 , E21B41/0007
Abstract: The present invention discloses a deepwater drilling condition based marine riser mechanical behavior test simulation system. An upper three-component dynamometer, an upper connecting structure, a marine riser, a lower connecting structure and a lower three-component dynamometer are connected between an upper trailer connecting plate and a lower trailer connecting plate in sequence. The invention further discloses a test method. The present invention has the advantages that the mechanical behavior of the marine riser under deepwater drilling condition and marine environment coupling effect can be simulated comprehensively and accurately, and the apparatus can simulate ocean current environment, apply top tension to the marine riser, simulate circulation of internal drilling fluids at different current rates, simulate rotation of the drill stem at different rotational speeds and apply different drill pressures.
Abstract translation: 本发明公开了一种基于深水钻井条件的船舶立管机械行为试验模拟系统。 上部三分量测力计，上部连接结构，海洋立管，下部连接结构和下部三分量测力计依次连接在上部拖车连接板和下部拖车连接板之间。 本发明还公开了一种测试方法。 本发明的优点在于，可以全面，准确地模拟海底立管在深水钻井条件下的机械性能和海洋环境耦合效应，该装置可以模拟海洋环境，对海洋立管施加顶部张力，模拟海洋提升管的循环 内部钻井液以不同的电流速率，以不同的转速模拟钻杆的旋转并施加不同的钻压。
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