Patents by Inventor Qingyou Liu
Qingyou Liu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11946374Abstract: 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.Type: GrantFiled: July 5, 2023Date of Patent: April 2, 2024Assignee: Southwest Petroleum UniversityInventors: 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
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Publication number: 20240093589Abstract: Disclosed are a wireless remote control method and system for controllable rotary sliding guiding drilling. An upper end of a controllable rotary sliding guiding drilling mechanism is provided with a drill rod; and the wireless remote control system for controllable rotary sliding guiding drilling further comprises: an MWD arranged at a lower end of the controllable rotary sliding guiding drilling mechanism; a bent screw drill tool mounted at a lower end of the MWD; a drill bit mounted at a lower end of the bent screw drill tool, the drill bit being connected with the bent screw drill tool through a connector; and a clutch module mounted on the controllable rotary sliding guiding drilling mechanism, the clutch module comprising an electromagnetic valve, a processor, an internal pipe pressure sensor, an external pipe pressure sensor and a wireless data transmission module.Type: ApplicationFiled: September 20, 2023Publication date: March 21, 2024Inventors: Jianguo ZHAO, Qingyou LIU, Haiyan ZHU, Guorong WANG, Jie ZENG, Xu LUO, Xuecheng DONG, Xingming WANG
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Publication number: 20240093554Abstract: Provided is a two-stage reverse-torque bent screw orientation tool. An existing bent screw orientation technology has the technical problems of large friction resistance, difficult control of a borehole track, a low drilling speed and the like, and restricts economic, safe and long-acting development of oil and gas. In order to solve the above problems, the two-stage reverse-torque bent screw orientation tool is invented and composed of a first-stage clutch mechanism and a second-stage clutch mechanism, and the first-stage clutch mechanism and the second-stage clutch mechanism are both composed of a battery, a battery compartment, a pressure sensor, an electromagnetic valve, a body, a plug, a piston, an outer tooth cylinder, an inner tooth cylinder, a transmission cylinder, a connecting cylinder, a bearing, a limiting cylinder, a lower joint, a thrust bearing, a battery compartment, a circuit board, a cover plate and the like.Type: ApplicationFiled: September 8, 2023Publication date: March 21, 2024Inventors: Qingyou LIU, Jianguo ZHAO, Guorong WANG, Haiyan ZHU, Xuecheng DONG, Xingming WANG, Xu LUO, Yingju PEI, Xianwei DAI
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Publication number: 20240044211Abstract: 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.Type: ApplicationFiled: July 5, 2023Publication date: February 8, 2024Inventors: 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
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Patent number: 11781420Abstract: The invention relates to a displacement measuring device and a velocity measuring method of a drilling traction robot. The measuring device comprises a support bar, a stopper, a hydraulic, a piston of the hydraulic, a displacement sensor, a seal baffle, a waveguide, a magnetic ring, and a magnetic ring support plate. The invention can realize instant measurement and instant feedback of the velocity of the drilling traction robot and can provide data reference for automatic drilling of the drilling traction robot.Type: GrantFiled: July 28, 2021Date of Patent: October 10, 2023Assignee: CHENGDU UNIVERSITY OF TECHNOLOGYInventors: Jianguo Zhao, Qingyou Liu, Haiyan Zhu, Guorong Wang
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Patent number: 11773653Abstract: A double-layer coiled tubing double-gradient drilling system, on the basis of conventional drilling equipment, includes a double-layer coiled tubing system, separating fluid, a downhole lifting pump system, throttling control systems and a data monitoring system. Power fluid enters an annular space of the tubing through an adapter, passes through a downhole lifting pump, enters an inner pipe through a bridge channel, and enters the bottom hole through the drill bit. Return fluid enters an annular channel of the tubing through a recovery hole, then enters the inner pipe through the bridge channel and enters the lifting pump, and then enters a solid control system through the adapter and the control systems in sequence. Gradient control of the bottom hole pressure is realized through monitoring of the separating fluid and control of the drilling pump unit and throttling control systems. The problem of narrow safe drilling density window is solved.Type: GrantFiled: December 23, 2019Date of Patent: October 3, 2023Assignee: SOUTHWEST PETROLEUM UNIVERSITYInventors: Guorong Wang, Lin Zhong, Qingyou Liu, Shouwei Zhou, Xingyong Yu, Zhong Li, Yang Tang, Qiang Fu, Xin Huang, Yanjun Li, Hexing Liu
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Patent number: 11668148Abstract: The present invention relates to the technical field of development of underground resources such as petroleum, natural gas, geothermal energy, etc., in particular to a downhole explosion robot based on planetary roller screw telescoping and traction method thereof. The present invention provides a downhole explosion robot based on planetary roller screw telescoping and traction method thereof, comprising a rear joint, a rear main body, a telescopic sub, a front main body, and a front joint, and the rear main body is provided with a rear control sub and a rear support sub; the front main body is provided with a front support sub and a front control sub, and the telescopic sub is respectively connected with the rear support sub and the front support sub. The invention has the advantages of reliability and stability, with less impact on the tube string, and can be applicable to smaller wellbore.Type: GrantFiled: November 9, 2022Date of Patent: June 6, 2023Assignee: Chengdu University of TechnologyInventors: Xuelian Dong, Haiyan Zhu, Qiaozhu Wang, Jingran Tang, Qingyou Liu, Xingming Wang, Linfeng Sun
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Publication number: 20230100604Abstract: 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.Type: ApplicationFiled: September 27, 2022Publication date: March 30, 2023Applicant: Southwest Petroleum UniversityInventors: Lin Zhong, Guorong Wang, Qingyou Liu, Gang Wei, Xia He, Linyan Chen, Gang Hu, Chuan Wang, Zheng Zhang, Zhichao Li, Zixuan Wang, Xiaolong Wu
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Publication number: 20230085283Abstract: A double-layer coiled tubing double-gradient drilling system, on the basis of conventional drilling equipment, includes a double-layer coiled tubing system, spacer fluid, a downhole lifting pump system, throttling control systems and a data monitoring system. Power fluid enters an annular space of the tubing through an adapter, passes through a downhole lifting pump, enters an inner pipe through a bridge channel, and enters the bottom hole through the drill bit. Return fluid enters an annular channel of the tubing through a recovery hole, then enters the inner pipe through the bridge channel and enters the lifting pump, and then enters a solid control system through the adapter and the control systems in sequence. Gradient control of the bottom hole pressure is realized through monitoring of the spacer fluid and control of the drilling pump unit and throttling control systems. The problem of narrow safe drilling density window is solved.Type: ApplicationFiled: December 23, 2019Publication date: March 16, 2023Applicant: SOUTHWEST PETROLEUM UNIVERSITYInventors: Guorong WANG, Lin ZHONG, Qingyou LIU, Shouwei ZHOU, Xingyong YU, Zhong LI, Yang TANG, Qiang FU, Xin HUANG, Yanjun LI, Hexing LIU
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Patent number: 11598180Abstract: 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.Type: GrantFiled: May 21, 2018Date of Patent: March 7, 2023Assignee: SOUTHWEST PETROLEUM UNIVERSITYInventors: Guorong Wang, Shouwei Zhou, Qingyou Liu, Qingping Li, Qiang Fu, Yufa He, Pu Yang, Lin Zhong
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Patent number: 11572767Abstract: A design method for a personalized drill bit for a complex difficult-to-drill formation includes: S1, acquiring rock drillability indexes of a drilled formation; S2, performing digital simulation analysis of rock breaking of bit teeth and a composite rock breaking experiment of a ring gear and a drill bit, and establishing a mechanical model of the rock interaction at the bottom of a well; S3, establishing an integrated dynamics model of drill string-drill bit-rock system coupling; S4, designing a tooth shape, a tooth distribution density, a crown shape and a gauge protection structure for rock mechanics properties of a complex difficult-to-drill formation; S5, optimizing bit nozzle and hydraulic structure parameters by using the computational fluid dynamics theory and the numerical simulation method; S6.Type: GrantFiled: July 4, 2019Date of Patent: February 7, 2023Assignee: CHENGDU UNIVERSITY OF TECHNOLOGYInventors: Qingyou Liu, Haiyan Zhu
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Patent number: 11567233Abstract: A numerical simulation and parameter optimization method for volumetric fracturing of an unconventional dual medium reservoir includes the following steps: based on the theory of dual-medium pore elasticity, in consideration of the friction effect between fractures, developing a viscoelastic-plastic damage model of hydraulic fractures based on explicit time integral; simulating random intersection and bifurcation of hydraulic fractures encountering with natural fractures by adopting a method of embedding zero-thickness fracture units in the inner boundaries of computational model grids, and establishing a mathematical model of hydraulic fracture expansion of volumetric fracturing in the unconventional dual-medium reservoir; compiling a finite element program for complex multi-fracture fracturing and competitive expansion during volumetric fracturing of the unconventional reservoir, and establishing a hydraulic fracturing finite element model of a casing-cement ring-perforation hole in cluster-reservoir matrixType: GrantFiled: July 19, 2019Date of Patent: January 31, 2023Assignee: CHENGDU UNIVERSITY OF TECHNOLOGYInventors: Haiyan Zhu, Qingyou Liu, Yapu Zhao, Yang Li
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Patent number: 11542789Abstract: A cavity creation tool by crushing with multi-stage controllable water jet, it is used in natural gas hydrate development and mainly consists of an inner tube upper joint, an inner tube lower joint, an intermediate sleeve, an inner structure consisting of a coaxial throttle push rod, an outer layer sleeve, an outer layer structure consisting of a supporting ring, a jet head mounted to the intermediate sleeve and threading the outer layer sleeve, and a jet crushing structure consisting of a single-stage telescopic jet head and a two-stage telescopic jet head.Type: GrantFiled: November 29, 2021Date of Patent: January 3, 2023Assignees: Southwest Petroleum University, Southern Marine Science and Engineering Guangdong Laboratory (Zhanjiang)Inventors: Yang Tang, Peng Zhao, Guorong Wang, Jinhai Zhao, Qingyou Liu, Jinzhong Wang, Guangjie Yuan, Yufa He, Qingping Li, Xushen Li, Xiaoyu Fang, Zeliang Li, Xin Jing
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Publication number: 20220307367Abstract: The invention relates to a displacement measuring device and a velocity measuring method of a drilling traction robot. The measuring device comprises a support bar, a stopper, a hydraulic, a piston of the hydraulic, a displacement sensor, a seal baffle, a waveguide, a magnetic ring, and a magnetic ring support plate. The invention can realize instant measurement and instant feedback of the velocity of the drilling traction robot and can provide data reference for automatic drilling of the drilling traction robot.Type: ApplicationFiled: July 28, 2021Publication date: September 29, 2022Inventors: Jianguo ZHAO, Qingyou LIU, Haiyan ZHU, Guorong WANG
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Patent number: 11434727Abstract: 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.Type: GrantFiled: November 29, 2021Date of Patent: September 6, 2022Inventors: Yang Tang, Zeliang Li, Guorong Wang, Qingyou Liu, Jinhai Zhao, Guangjie Yuan, Jinzhong Wang, Yufa He, Qingping Li, Chuanhua Ma, Yuan Huang
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Publication number: 20220268132Abstract: Disclosed is a cavity creation tool by crushing with multi-stage controllable water jet, which is used in natural gas hydrate development. The tool mainly consists of an inner tube upper joint, an inner tube lower joint, an intermediate sleeve, an inner structure consisting of a coaxial throttle push rod, an outer layer sleeve, an outer layer structure consisting of a supporting ring, a jet head mounted to the intermediate sleeve and threading the outer layer sleeve, and a jet crushing structure consisting of a single stage telescopic jet head and a second stage telescopic jet head.Type: ApplicationFiled: November 29, 2021Publication date: August 25, 2022Inventors: Yang TANG, Peng ZHAO, Guorong WANG, Jinhai ZHAO, Qingyou LIU, Jinzhong WANG, Guangjie YUAN, Yufa HE, Qingping LI, Xushen LI, Xiaoyu FANG, Zeliang LI, Xin JING
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Publication number: 20220243564Abstract: An in situ exploitation-separation-backfilling integration apparatus for natural gas hydrates is disclosed, consisting of a cyclonic inhalation device for coarse fraction, a jet flow device for sand discharge and a spiral cyclone device for fine fraction. The cyclonic inhalation 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.Type: ApplicationFiled: November 29, 2021Publication date: August 4, 2022Inventors: Yang TANG, Zeliang LI, Guorong WANG, Qingyou LIU, Jinhai ZHAO, Guangjie YUAN, Jinzhong WANG, Yufa HE, Qingping LI, Chuanhua MA, Yuan HUANG
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Patent number: 11255745Abstract: 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.Type: GrantFiled: April 26, 2019Date of Patent: February 22, 2022Assignees: Southwest Petroleum University, Chengdu University of TechnologyInventors: Jun Liu, Xiaoqiang Guo, Qingyou Liu, Yufa He, Anchao Wei, Linlin Zeng, Jianxun Wang
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Publication number: 20220010925Abstract: A system for pumping lubricant in a gas transportation pipeline includes a pipeline robot and a control terminal system. The pipeline robot includes a lubricant position detection, module, a lubricant pumping module, an electro-hydraulic control system, a data acquisition and processing system, and a lubricant sucking port. The location at which the lubricant deposits can be detected online, and the lubricant staving in the gas transportation pipeline can be removed in real time. The system is highly automatic and efficient. Resistance against the natural as transportation is reduced effectively, the efficiency of transporting the natural gas is improved, and safety of transporting the natural gas is ensured.Type: ApplicationFiled: July 9, 2021Publication date: January 13, 2022Inventors: Jianguo ZHAO, Guorong WANG, Qingyou LIU, Shuo HAN, Run DONG, Jiliang DAI
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Patent number: 11209414Abstract: Provided is a method for determining a quality level of an iron and steel product. The method includes: obtaining a plurality of first parameters related to a quality of an iron and steel product; fusing the plurality of first parameters to obtain a comprehensive quality evaluation parameter; and determining a quality level of the iron and steel product based on the comprehensive quality evaluation parameter.Type: GrantFiled: October 19, 2018Date of Patent: December 28, 2021Assignees: Central Iron and Steel Research Institute, BEIJING MATDAO TECHNOLOGY CO., LTD.Inventors: Hang Su, Tao Pan, Xiaoling Chen, Caifu Yang, Feng Chai, Qingyou Liu