公开(公告)号：US20200072028A1

公开(公告)日：2020-03-05

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

IPC: E21B43/01 ,  E21B43/24

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.

公开(公告)号：US20190376347A1

公开(公告)日：2019-12-12

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 ,  H01R13/631 ,  H01R43/26

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.

公开(公告)号：US20190010760A1

公开(公告)日：2019-01-10

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: E21B7/06 ,  E21B47/12 ,  E21B43/117

CPC classification number: E21B7/061 ,  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.

公开(公告)号：US20210140244A1

公开(公告)日：2021-05-13

申请号：US17086398

申请日：2020-10-31

Applicant: Southern Marine Science and Engineering Guangdong Laboratory (Zhanjiang) ,  Southwest Petroleum University

Inventor： Guorong WANG ,  Yang TANG ,  Xin JING ,  Qingyou LIU ,  Shouwei ZHOU ,  Xushen Li ,  Lin ZHONG ,  Qingping Li ,  Yufa HE ,  Zhong Li ,  Yanjun Li ,  Hexing LIU ,  Jianglin ZHU ,  Jiang LU ,  Leizhen WANG

IPC: E21B10/18 ,  E21B10/16 ,  E21B41/00 ,  E21B10/25

Abstract: The present invention relates to a combined crushing super-variable-diameter drill bit for natural gas hydrate exploitation, including a joint, an outer cylinder connected to the joint by thread, a nozzle I mounted in the outer cylinder, a mechanical locking mechanism, a blade telescoping mechanism, an end cap connected to the outer cylinder by thread, a seal ring IV mounted to the end cap, and a nozzle II mounted in the end cap by threaded connection. The present invention achieves integrated operation of conventional drilling and draw-back expanding, which can effectively solve the problems that the existing hydrate drill bit cannot drill a large borehole, cannot mechanically lock an extending position of the blade to stabilize the size of the borehole, and a single crushing method is inefficient.

公开(公告)号：US20180363828A1

公开(公告)日：2018-12-20

申请号：US16062117

申请日：2016-07-18

Applicant: SOUTHWEST PETROLEUM UNIVERSITY

Inventor： Qingyou LIU ,  Haiyan ZHU ,  Xu LUO

IPC: F16L55/34 ,  B25J9/10 ,  B25J9/16 ,  B25J18/02

CPC classification number: F16L55/34 ,  B25J9/102 ,  B25J9/1694 ,  B25J11/0085 ,  B25J18/025 ,  F16L55/32

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.

公开(公告)号：US20240044211A1

公开(公告)日：2024-02-08

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

IPC: E21B7/06 ,  E21B23/00 ,  E21B23/04

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.

公开(公告)号：US20210140243A1

公开(公告)日：2021-05-13

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

IPC: E21B7/18 ,  E21B43/01 ,  E21B41/00

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.

公开(公告)号：US20210079762A1

公开(公告)日：2021-03-18

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

IPC: E21B41/00 ,  E21B43/01

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.

公开(公告)号：US20220307367A1

公开(公告)日：2022-09-29

申请号：US17387956

申请日：2021-07-28

Applicant: SOUTHWEST PETROLEUM UNIVERSITY

Inventor： Jianguo ZHAO ,  Qingyou LIU ,  Haiyan ZHU ,  Guorong WANG

IPC: E21B47/01 ,  G01D5/14 ,  E21B23/00 ,  E21B47/26

Abstract: 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.

公开(公告)号：US20220010925A1

公开(公告)日：2022-01-13

申请号：US17372414

申请日：2021-07-09

Applicant: SOUTHWEST PETROLEUM UNIVERSITY

Inventor： Jianguo ZHAO ,  Guorong WANG ,  Qingyou LIU ,  Shuo HAN ,  Run DONG ,  Jiliang DAI

IPC: F16N31/00 ,  F17D5/00 ,  F16N29/00

Abstract: 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.