Patents by Inventor DEBIN KONG
DEBIN KONG 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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Publication number: 20240094140Abstract: An on-line detection system for defects of an MEA is provided. The detection system includes a workbench, two connecting rods are arranged inside the workbench, two ends of the two connecting rods are both connected to two side walls of the workbench by means of bearings, and conveying rollers are fixedly arranged outside the two connecting rods in a sleeving manner. One side of the workbench is fixedly provided with a first electric motor, and an output end of the first electric motor is fixedly connected to one of the connecting rods. Belt pulleys are fixedly arranged outside the two connecting rods in a sleeving manner, and a belt is arranged outside the two belt pulleys in a sleeving manner. A hollow roller is arranged on an inner side of the workbench, and a plurality of exhaust holes are provided in a top of the hollow roller.Type: ApplicationFiled: August 18, 2023Publication date: March 21, 2024Applicant: China University of Petroleum (East China)Inventors: Min WANG, Jiexin ZOU, Mingbo WU, Han HU, Zhongtao LI, Debin KONG, Guanxiong WANG
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Patent number: 11402316Abstract: Device and method for measuring two-phase relative permeability curve of unconventional oil reservoir are provided, wherein the device comprises: two-dimensional porous seepage microscopic model; injection components connected to inlet end of the two-dimensional porous seepage microscopic model; confining pressure components arranged outside the two-dimensional porous seepage microscopic model; a camera component arranged on one side of the two-dimensional porous seepage microscopic model; back pressure components connected to outlet end of the two-dimensional porous seepage microscopic model; and outlet pressure measuring and recovery components connected to outlet end of the two-dimensional porous seepage microscopic model. Two-phase relative permeability curve of unconventional oil reservoir can be measured accurately through the device.Type: GrantFiled: November 22, 2021Date of Patent: August 2, 2022Assignee: UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJINGInventors: Weiyao Zhu, Debin Kong, Qinglin Shu, Haien Yang, Kun Huang, Nan Li, Jing Xia
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Publication number: 20220082487Abstract: Device and method for measuring two-phase relative permeability curve of unconventional oil reservoir are provided, wherein the device comprises: two-dimensional porous seepage microscopic model; injection components connected to inlet end of the two-dimensional porous seepage microscopic model; confining pressure components arranged outside the two-dimensional porous seepage microscopic model; a camera component arranged on one side of the two-dimensional porous seepage microscopic model; back pressure components connected to outlet end of the two-dimensional porous seepage microscopic model; and outlet pressure measuring and recovery components connected to outlet end of the two-dimensional porous seepage microscopic model. Two-phase relative permeability curve of unconventional oil reservoir can be measured accurately through the device.Type: ApplicationFiled: November 22, 2021Publication date: March 17, 2022Inventors: WEIYAO ZHU, DEBIN KONG, QINGLIN SHU, HAIEN YANG, KUN HUANG, NAN LI, JING XIA
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Patent number: 11136871Abstract: A method for developing shale gas by tapered gradient pressure drop with multi-stage fractured horizontal well is provided and the method comprises: acquiring fracturing crack form parameters of the multi-stage fractured horizontal well and reservoir characteristic parameters of nearby formation; dividing the formation near the shale gas multi-stage fractured horizontal well into strongly transformed area, weakly transformed area and matrix area; establishing pressure difference-flow models of gas-phase and water phase of the three areas respectively, and coupling the models of the three areas to establish production equation of the multi-stage fractured horizontal well; according to the production equation of the multi-stage fractured horizontal well, performing numerical simulation with different combinations of production pressure differences in the three stages of the multi-stage fractured horizontal well; and selecting a combination of production pressure differences with the greatest economic benefit asType: GrantFiled: January 14, 2021Date of Patent: October 5, 2021Assignee: UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJINGInventors: Weiyao Zhu, Zhiyong Song, Jianfa Wu, Shou Ma, Debin Kong, Ming Yue, Zhen Chen, Yubao Gao
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Publication number: 20210238973Abstract: The present disclosure provides a method and device for developing shale gas by tapered gradient pressure drop with multi-stage fractured horizontal well; the method comprises: acquiring fracturing crack form parameters of the multi-stage fractured horizontal well and reservoir characteristic parameters of nearby formation; dividing the formation near the shale gas multi-stage fractured horizontal well into strongly transformed area, weakly transformed area and matrix area; establishing pressure difference-flow models of gas-phase and water phase of the three areas respectively, and coupling the models of the three areas to establish production equation of the multi-stage fractured horizontal well; according to the production equation of the multi-stage fractured horizontal well, performing numerical simulation with different combinations of production pressure differences in the three stages of the multi-stage fractured horizontal well; and selecting a combination of production pressure differences with theType: ApplicationFiled: January 14, 2021Publication date: August 5, 2021Inventors: WEIYAO ZHU, ZHIYONG SONG, JIANFA WU, SHOU MA, DEBIN KONG, MING YUE, ZHEN CHEN, YUBAO GAO
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Simulation method for flow field of multi-stage fracturing on horizontal well in tight oil reservoir
Patent number: 10976470Abstract: A simulation method for flow field of multi-stage fracturing on horizontal well in tight oil reservoir is provided.Type: GrantFiled: September 15, 2020Date of Patent: April 13, 2021Assignee: UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJINGInventors: Weiyao Zhu, He Liu, Yunfeng Liu, Qinglin Shu, Zhiyong Song, Ming Yue, Zenglin Wang, Debin Kong, Aishan Li, Bingbing Li, Guodong Zou -
Patent number: 10947836Abstract: The present invention provides a device and a method for measuring overburden of injected gas in cyclic gas injection development of condensate gas reservoir. The device comprises sand packed model and temperature control system. The temperature control system is nested outside the sand packed model. The sand packed model comprises sand pack cell, four gas inlets, four gas outlets, bracket, direction control component, rotating shaft, upper cover, lower cover, fixing bolts, two top pressuring inlets, pressure transmission rods, pressure transfer piston and multiple gas sampling ports. The sand pack cell can be filled with quartz sand of different particle size and composition, and the angle of the whole device is adjusted by the direction control component.Type: GrantFiled: July 29, 2020Date of Patent: March 16, 2021Assignee: UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJINGInventors: Weiyao Zhu, Kun Huang, Jing Xia, Tongwen Jiang, Ming Yue, Kai Luo, Zhiyong Song, Baichuan Wang, Debin Kong
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Publication number: 20210003004Abstract: A method for identifying structure of flow field in unconventional gas reservoir is provided. The unconventional gas reservoir comprises at least one horizontal well, for any horizontal well in the at least one horizontal well, the method comprises: during fracturing fluid flowback stage, obtaining first production data, and drawing an actual production curve diagram of the fracturing fluid flowback stage; obtaining reservoir physical parameters corresponding to different fracture network forms and second production data, and performing numerical simulations on water production rate, gas production rate and casing pressure of the fracturing fluid flowback stage, and drawing layouts of structure of flow field corresponding to different fracture network forms of the fracturing fluid flowback stage; and comparing the actual production curve diagram with the layouts of structure of flow field corresponding to different fracture network forms to identify structure of flow field of the reservoir after fracturing.Type: ApplicationFiled: September 22, 2020Publication date: January 7, 2021Inventors: WEIYAO ZHU, MING YUE, JIANFA WU, KAI LIU, ZHEN CHEN, ZHIYONG SONG, DEBIN KONG
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Simulation Method for Flow Field of Multi-Stage Fracturing on Horizontal Well in Tight Oil Reservoir
Publication number: 20210003742Abstract: A simulation method for flow field of multi-stage fracturing on horizontal well in tight oil reservoir is provided.Type: ApplicationFiled: September 15, 2020Publication date: January 7, 2021Inventors: WEIYAO ZHU, HE LIU, YUNFENG LIU, QINGLIN SHU, ZHIYONG SONG, MING YUE, ZENGLIN WANG, DEBIN KONG, AISHAN LI, BINGBING LI, GUODONG ZOU -
Publication number: 20200362689Abstract: The present invention provides a device and a method for measuring overburden of injected gas in cyclic gas injection development of condensate gas reservoir. The device comprises sand packed model and temperature control system. The temperature control system is nested outside the sand packed model. The sand packed model comprises sand pack cell, four gas inlets, four gas outlets, bracket, direction control component, rotating shaft, upper cover, lower cover, fixing bolts, two top pressuring inlets, pressure transmission rods, pressure transfer piston and multiple gas sampling ports. The sand pack cell can be filled with quartz sand of different particle size and composition, and the angle of the whole device is adjusted by the direction control component.Type: ApplicationFiled: July 29, 2020Publication date: November 19, 2020Inventors: WEIYAO ZHU, KUN HUANG, JING XIA, TONGWEN JIANG, MING YUE, KAI LUO, ZHIYONG SONG, BAICHUAN WANG, DEBIN KONG
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Patent number: 10822938Abstract: A method of optimizing well spacing for shale gas development is provided. It belongs to the technical field of hydrocarbon reservoir exploration and development. The method comprises: firstly verifying block area based on the explored geological structure; analyzing the connection situation of a shale reservoir, identifying the minimum developing area units; calculating the recoverable reserves of the units, confirming the candidate units; drilling representative shale cores and analyzing related physical properties; calculating seepage field and pressure field using unified multi-field, multi-flow-regime, and multi-scale mathematical models; calculating the effective recoverable area of each well; and arranging wells based on the rule that the interference among wells is not larger than 10%. Considering the fluid-solid coupling effects, the method can define appropriately well spacing for shale gas exploration and enhance effectively the output of shale gas.Type: GrantFiled: March 30, 2020Date of Patent: November 3, 2020Assignee: UNIVERSITY OF SCIENCE AND TECHNOLOGY, BEIJINGInventors: Weiyao Zhu, Kun Huang, Zhen Chen, Ming Yue, Zhiyong Song, Hua Li, Baichuan Wang, Debin Kong
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Patent number: 10761241Abstract: The present disclosure provides a method for optimizing bunch distance of fractured horizontal wells of shale gas, which relates to the technical field of oil exploration. The method comprises first establishing a stress field distribution model for a single fracture; then establishing an induced stress distribution model of segmented single-bunch fracturing for a horizontal well; later establishing an induced stress distribution model of segmented multi-bunch fracturing for a horizontal well; last optimizing fracturing parameters and fracture distance according to the distribution pattern of the induced stress difference.Type: GrantFiled: April 1, 2020Date of Patent: September 1, 2020Assignee: UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJINGInventors: Weiyao Zhu, Ming Yue, Yuwei Liu, Wenchao Liu, Yunfeng Liu, Debin Kong
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Publication number: 20200224522Abstract: This disclosure provides a method of optimizing well spacing for shale gas development. It belongs to the technical field of hydrocarbon reservoir exploration and development. The method comprises: firstly verifying block area based on the explored geological structure; analyzing the connection situation of a shale reservoir, identifying the minimum developing area units; calculating the recoverable reserves of the units, confirming the candidate units; drilling representative shale cores and analyzing related physical properties; calculating seepage field and pressure field using unified multi-field, multi-flow-regime, and multi-scale mathematical models; calculating the effective recoverable area of each well; and arranging wells based on the rule that the interference among wells is not larger than 10%. Considering the fluid-solid coupling effects, this method can define appropriately well spacing for shale gas exploration and enhance effectively the output of shale gas.Type: ApplicationFiled: March 30, 2020Publication date: July 16, 2020Inventors: Weiyao ZHU, Kun HUANG, Zhen CHEN, MING YUE, ZHIYONG SONG, HUA LI, BAICHUAN WANG, DEBIN KONG
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Publication number: 20200225384Abstract: The present disclosure provides a method for optimizing bunch distance of fractured horizontal wells of shale gas, which relates to the technical field of oil exploration. The method comprises first establishing a stress field distribution model for a single fracture; then establishing an induced stress distribution model of segmented single-bunch fracturing for a horizontal well; later establishing an induced stress distribution model of segmented multi-bunch fracturing for a horizontal well; last optimizing fracturing parameters and fracture distance according to the distribution pattern of the induced stress difference.Type: ApplicationFiled: April 1, 2020Publication date: July 16, 2020Inventors: WEIYAO ZHU, MING YUE, YUWEI LIU, WENCHAO LIU, YUNFENG LIU, DEBIN KONG