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公开(公告)号：US20230100604A1
公开(公告)日：2023-03-30
申请号：US17935692
申请日：2022-09-27
Applicant: Southwest Petroleum University
Inventor： Lin Zhong , Guorong Wang , Qingyou Liu , Gang Wei , Xia He , Linyan Chen , Gang Hu , Chuan Wang , Zheng Zhang , Zhichao Li , Zixuan Wang , Xiaolong Wu
IPC: C10M107/00 , E21B17/10 , B23K26/352
Abstract: A textured surface of oil and gas equipment includes a first substrate, an antiwear coating, and a second substrate, and further includes a texture, where the texture includes a first texture and/or a second texture; the first substrate and the second substrate are capable of moving relative to each other when operating, the first texture is arranged on a surface of the first substrate that is in contact with the antiwear coating, the second texture is arranged on a surface of the antiwear coating that is in contact with the second substrate. A method for machining the textured surface of oil and gas equipment is provided, which improves various performances of the oil and gas equipment such as antifriction, wear resistance, and corrosion resistance by combining a coating with a texture, so as to prolong the service life of the oil and gas equipment, increase oil and gas production efficiency.
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公开(公告)号：US11193333B2
公开(公告)日：2021-12-07
申请号：US17079655
申请日：2020-10-26
Applicant: Southwest Petroleum University , Southern Marine Science and Engineering Guangdong Laboratory (Zhanjiang)
Inventor： Yang Tang , Shunxiao Huang , Guorong Wang , Qingyou Liu , Shouwei Zhou , Xushen Li , Lin Zhong , Qingping Li , Yufa He , Zhong Li , Yanjun Li , Hexing Liu , Jianglin Zhu , Jiaxin Yao , Jiang Lu , Leizhen Wang
Abstract: The present invention provides an automatic jet breaking tool for solid fluidization exploitation of natural gas hydrate, which mainly includes an upper joint, an outer cylinder, an inner sliding sleeve, a lockup sliding sleeve, a thrust bearing, a spring, a jet joint, a telescopic jet sprinkler, a plug block and an extrusion seal ring. The present invention mainly adopts the principle of throttling control pressure to control the position of the inner sliding sleeve by controlling a flow rate of a drilling fluid, so as to turn on and turn off the jet breaking tool. The application of the present invention can realize automatic jet breaking of solid fluidization exploitation of the natural gas hydrate, reduce procedures of a round trip operation, and effectively improve the efficiency and safety of the exploitation operation of the natural gas hydrate.
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公开(公告)号：US10590708B2
公开(公告)日：2020-03-17
申请号：US15744891
申请日：2017-02-27
Applicant: SOUTHWEST PETROLEUM UNIVERSITY
Inventor： Jun Liu , Xiaoqiang Guo , Qingyou Liu , Guorong Wang , Haiyan Zhu , Xian Liu
IPC: E21B43/116 , E21B7/06 , E21B43/117 , E21B47/12
Abstract: A mechanics experiment system for a perforated string in underground perforating blasting of an oil-gas well. The system includes an experiment water pool, a perforated string arranged in the experiment water pool, a signal amplifier, an A/D converter and a computer. The signal amplifier, the A/D converter and the computer are arranged outside the experiment water pool and are sequentially electrically connected; the perforated string includes an oil pipe, a packing tube, a sleeve, an acceleration testing short joint A, a damper, an acceleration testing short joint B and a perforating gun which are sequentially connected from top to bottom.
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14.发明授权公开(公告)号：US10100264B2
公开(公告)日：2018-10-16
申请号：US15454801
申请日：2017-03-09
Applicant: SOUTHWEST PETROLEUM UNIVERSITY
Inventor： Jinzhou Zhao , Yanjun Liu , Leilei Jiang , Shouwei Zhou , Mi Zhang , Ping Guo , Guorong Wang , Qingping Li , Zhiqiang Huang
Abstract: The present disclosure provides an experimental loop system for fluidization exploitation of solid-state marine gas hydrate, comprising: four modules, namely a gas hydrate sample large-amount and rapid preparation module, a gas hydrate multi-scale smashing and slurry fidelity transfer module, a gas hydrate slurry pipeline conveying characteristic experiment module, and a data collection and monitoring and safety control module. The gas hydrate experimental loop device provided by the present disclosure may be used for researching the synthesis, decomposition, gas storage rate and phase equilibrium of gas hydrate, and researching the pipeline conveying flow resistance and heat transfer characteristics, and is significant for solving the blockage problem in the gas pipeline conveying process, storage and conveying of the gas hydrate, solid-state fluidization exploitation of the marine gas hydrate and pipeline conveying experimental simulation thereof.
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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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Patent Agency Ranking
公开(公告)号：US11732551B1
公开(公告)日：2023-08-22
申请号：US18306270
申请日：2023-04-25
Applicant: Southwest Petroleum University
Inventor： Yang Tang , Na Xie , Minghai Zhou , Jinhai Zhao , Guangjie Yuan , Guohai Yuan , Jinzhong Wang , Chenglin Wang , Xiang Gao , Guorong Wang , Fu Deng , Liming Fan , Rutao Ma
CPC classification number: E21B34/066 , E21B34/14 , E21B2200/05
Abstract: A fully electrically controlled intelligent subsurface safety valve is provided, including an upper joint, a lower joint, a magnetic switch, an upper electromagnetic suction module, a central flow pipe, a magnetic piston ring, a lower electromagnetic suction module, a rebound flap valve mechanism, a displacement sensor, a temperature and pressure sensor, a flow sensor, and a power communication composite cable connector. With the magnetic assisted reset of the two electromagnetic suction modules, the safety valve closes more quickly in emergency situations, improving the reliability of the safety valve. By using a magnetic excitation switch, the safety valve can be quickly opened and closed, and the open or close state can be maintained independently, saving energy consumption in the control system. The present disclosure can better meet the needs of onshore and offshore oil and gas production operations and gas storage operations.
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公开(公告)号：US11506033B2
公开(公告)日：2022-11-22
申请号：US17566556
申请日：2021-12-30
Applicant: Southwest Petroleum University
Inventor： Yang Tang , Haoyu Xiong , Guorong Wang , Jinzhong Wang , Jinhai Zhao , Guangjie Yuan , Zhidong Zhang , Xushen Li , Yufa He , Jie Wu , Xin Jing , Peng Zhao , Zeliang Li
Abstract: Disclosed is an oil extraction and gas production method capable of in-situ sand control and removal by downhole hydraulic lift achieved by downhole oil extraction and gas production system and ground oil extraction and gas production system. The downhole systems mainly comprises a double-layer tube, a double-layer tube reducing joint, a double-layer tube packer, a hydrodynamic turbine motor, a sludge screw pump, a soil-sand separator and a negative pressure absorber; the ground system comprises a power fluid pressurizing module and a mix fluid treatment module. The present application lowers the difficulty of pumping and lifting downhole formation fluid; achieves downhole and in-situ sand control and sand discharge, alleviates the blockage and erosion of sand particles on equipments and reduces energy consumption; decreases the production cost and improves the operation efficiency, therefore is suitable for oil extraction and gas production in high sand content wells.
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公开(公告)号：US11466805B2
公开(公告)日：2022-10-11
申请号：US17686341
申请日：2022-03-03
Applicant: Southwest Petroleum University
Inventor： Yang Tang , Yuan Wang , Haoyu Xiong , Jinzhong Wang , Mingbo Wang , Wen Yang , Guangjie Yuan , Xiang Gao , Jie Wu , Shouhong Ji , Guorong Wang , Hao Hou , Meng Li , Li Gu
IPC: F16L55/10 , F16L55/128 , F16L55/44 , F16L55/18
Abstract: The invention discloses an intelligent plugging robot and method thereof for rerouting, maintaining and repairing long-distance pipelines. The intelligent plugging robot includes a through-flow governor, a flow-blocking mechanism and a telescopic mechanism, wherein the through-flow governor and the flow-blocking mechanism are symmetrically distributed on both sides of the device. The invention can realize remote, fast, safe and accurate plugging during maintaining and repairing the long-distance pipeline, wherein the telescopic mechanism cooperates with the flow-blocking mechanism to move autonomously in the pipe to achieve precise positioning, the through-flow governor can not only adjust the plugging robot but also ensure the cleaning of the pipe wall, make it stable contact with the signal transceiver, and realize the stable communication between the robot in the pipe and the remote monitoring machine.
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19.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：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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