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公开(公告)号：US12140719B2
公开(公告)日：2024-11-12
申请号：US17593927
申请日：2020-07-07
Applicant: CHINA UNIVERSITY OF PETROLEUM (BEIJING)
IPC: G01V1/30 , E21B43/267 , E21B49/00 , G06F18/2431
Abstract: A correction method for a microseism interpretation fracturing fracture parameter result. The method includes classifying the communication modes of a block sampling fractured wells to be corrected according to the matching degree of micro seismic monitoring result and sand adding amount; correcting the volume coefficient of each said classified fractured well single well, and the volume correction coefficient Bv of each said fractured well is: B v = [ L 5 / 4 H ] T [ L 5 / 4 H ] W , wherein, [L5/4H]W is a calculation value of a micro seismic monitoring interpretation result; [L5/4H]T is a theoretical calculation value obtained by using field construction parameters; C, calculating the classification volume correction coefficient of each class of fractured wells according to the calculated single well volume correction coefficient of each said fractured well. The micro seismic interpretation result can be corrected in combination with the field construction parameters, so that the micro seismic monitoring data can be utilized to truly interpret the effective fracture morphology after fracturing.
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公开(公告)号：US12130221B1
公开(公告)日：2024-10-29
申请号：US18678870
申请日：2024-05-30
Applicant: CHINA UNIVERSITY OF PETROLEUM—BEIJING
Inventor： Qichao Lv , Longxuan Li , Tongke Zhou , Honglei Zhan , Wei Wang , Rong Zheng , Xinshu Guo , Abdolhossein Hemmati-Sarapardeh , Jiayang Luo
IPC: G01N15/08
CPC classification number: G01N15/0826 , G01N2015/0833
Abstract: An infinitely expandable modular visual device for simulation of flow in porous media, including a simulation component, a fluid conveying component, and an image acquisition component; the simulation component includes a plurality of simulation units forming at least one layer of simulation unit array, the simulation unit includes a mounting base and a microscopic visualization model including a chip cover and a chip carrier having a porous media region and covered by the chip cover; the mounting bases of respective simulation units are connected to each other, the porous media regions of adjacent simulation units are communicated with each other; the fluid conveying component includes an injection-production pipeline communicated with the simulation units and configured to introduce the simulation fluid into the porous media region; the image acquisition component includes an image sensor facing the simulation unit for acquiring images of fluid flow in porous media.
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公开(公告)号：US20240109056A1
公开(公告)日：2024-04-04
申请号：US18156979
申请日：2023-01-19
Applicant: China University of Petroleum - Beijing
Inventor： Tao ZHENG , Rui ZHANG , Zhichang LIU , Haiyan LIU , Xianghai MENG , Chunming XU
Abstract: The present disclosure provides a composite ionic liquid and a preparation method and a use thereof. A first aspect of the present disclosure provides a preparation method of a composite ionic liquid, where an ammonium salt, a first metal salt, a second metal salt, and a third metal salt are sequentially added into a reactor for performing a reaction under different conditions, and the composite ionic liquid is obtained after the reaction is finished. The composite ionic liquid prepared by the method may be used as a catalyst to catalyze an alkylation reaction of isoparaffin with C4 olefin to obtain alkylated oil, which has the advantages of high catalytic activity, long catalytic life, low consumption, and better distribution of the resulting alkylated oil, etc, and thereby significantly reducing the production costs and improving the quality of the resulted alkylated oil.
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公开(公告)号：US11773695B1
公开(公告)日：2023-10-03
申请号：US18154414
申请日：2023-01-13
Applicant: China University of Petroleum (Beijing)
Inventor： Pinbo Ding , Weiping Xu , Feng Zhang , Xiangyang Li , Jianxin Wei , Bangrang Di
CPC classification number: E21B41/0099 , G01N3/12 , E21B2200/20
Abstract: The disclosure provides a multi-type hydrate formation simulation system and a method thereof. The simulation system comprises a hydrate generator, a gas source device and a cryogenic cooler. The hydrate generator comprises a reactor, in which a formation simulation space is provided and can be selectively filled with a loose formation skeleton or a consolidated formation skeleton. The gas source device is configured to introduce natural gas at a preset pressure into the formation simulation space. The cryogenic cooler comprises a temperature-adjustable thermotank, in which the hydrate generator is arranged. The simulation system and method provided can be used to study the influence of consolidated hydrate formation structures and loose hydrate formation structures and particle contact modes on the physical properties of hydrate rock, and are of great significance to the interpretation of hydrate formation exploration data and the estimation of hydrate saturation.
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65.发明公开公开(公告)号：US20230213423A1
公开(公告)日：2023-07-06
申请号：US17732477
申请日：2022-04-28
Applicant: CHINA UNIVERSITY OF PETROLEUM-BEIJING
Inventor： Caoxiong Li , Chenggang Xian , Yinghao Shen , Guoxin Li
CPC classification number: G01N3/12 , G01N15/082 , G01N2203/0019 , G01N2203/0048 , G01N2203/0066
Abstract: A system and a method evaluate the effect of proactive utilization of a spatial stress field in laboratory. The system includes a rock sample placement device for placing a rock sample, a confining pressure control device for applying a set confining pressure to the rock sample, a fracture imaging device, a fracturing fluid injection device for injecting fracturing fluid into the perforation in the wellbore of the rock sample to form fractures within the rock sample, a stress measurement device, and a processing device for calculating a stress field proactive utilization coefficient of the rock sample.
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Patent Agency Ranking
公开(公告)号：US20230158434A1
公开(公告)日：2023-05-25
申请号：US18153094
申请日：2023-01-11
Applicant: China University of Petroleum-Beijing
Inventor： Cheng Chang , Zhongli Ji , Xiaolin Wu , Zhen Liu , Feng Chen
CPC classification number: B01D46/0031 , B01D46/24 , B01D53/266 , B01D2265/06 , B01D2275/10
Abstract: A coalescing filter element (300) with double drainage layers, including an inner coalescing component (1) configured to captured a large amount of liquid in gas, and an outer coalescing component (2) configured to coalesce and filter a small amount of liquid remaining in the gas. The inner coalescing component (1) and the outer coalescing component (2) are cylindrical structures disposed in a vertical direction and opened at two ends. The outer coalescing component (2) is sleeved on an outer side of the inner coalescing component (1), and an annular drainage space (3) is formed between the inner coalescing component (1) and the outer coalescing component (2). A top end cap (4) is provided on top ends of the inner coalescing component (1) and the outer coalescing component (2). A bottom end cap (5) is provided on bottom ends of the inner coalescing component (1) and the outer coalescing component (2). The bottom end cap (5) is provided with a gas inlet (503) communicated with an interior of the inner coalescing component (1).
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公开(公告)号：US11635157B2
公开(公告)日：2023-04-25
申请号：US16971677
申请日：2019-04-23
Applicant: CHINA MERCHANTS HEAVY INDUSTRY (JIANGSU) CO., LTD. , China University of Petroleum-Beijing
Inventor： Lixin Xu , Chuanbo Cong , Hui Cao , Xiaoyu Meng , Qinjing Guo , Qiong Zhou
IPC: F16L11/08 , B29D23/00 , B29K101/12
Abstract: A nonmetallic flexible pipe and a manufacturing method thereof. The nonmetallic flexible pipe comprises, from the inside to the outside, an inner liner, a pressure bearing layer, an isolation layer, a tensile layer, a functional layer, and a protective layer, wherein two adjacent layers are non-rigidly bonded. The inner liner layer is made from a thermoplastic polymer. The pressure bearing layer is made from a fiber-reinforced resin-based composite material. The isolation layer is made from a thermoplastic polymer. The tensile layer is made from a resin-reinforced fiber material. At least one of an optical fiber, a cable, a tracing ribbon, a pipe for conveying a heat transfer medium, a pressure sensor, and a temperature sensor is provided in the functional layer. The protective layer is made from a thermoplastic polymer.
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公开(公告)号：US11578251B2
公开(公告)日：2023-02-14
申请号：US17696549
申请日：2022-03-16
Applicant: China University of Petroleum (Beijing)
Inventor： Yinbo He , Guancheng Jiang , Lili Yang , Tengfei Dong , Bin Tan , Rongchao Cheng , He Shi , Jianguo Zhang , Tie Geng , Jiansheng Luo , Dongmin Jia , Kai Wang , Chunlin Xie , Wuquan Li , Xiaoqing Li
IPC: C09K8/508 , C08F212/08 , C08F222/08 , C08L33/26 , C09K8/512
Abstract: The invention relates to the technical field of oil and gas drilling, and discloses an amphiphilic block polymer ultralow-permeability agent and an intelligent temporary plugging type water-based drilling fluid. The ultralow-permeability agent contains a structural unit provided by styryl hydrophobic monomer, maleic anhydride and acrylamide; the drilling fluid contains two or more of water, sodium bentonite, Pac-Lv, the ultralow-permeability agent, calcium carbonate, one-way plugging agent, white asphalt and barite which are stored in a mixed manner or independently stored. When the amphiphilic block polymer provided by the invention is used as the ultralow-permeability agent of the intelligent temporary plugging type water-based drilling fluid, the self-adaptive characteristic is realized; according to the amphiphilic block polymer, temporary plugging layer gaps formed in pore and throats by plugging materials in drilling fluid can be fully filled under the condition that the sizes and the distribution of the pore and throats of reservoirs are not required to be clear, so that the permeability of temporary plugging layer is greatly reduced, ultralow-permeability is realized, and the amphiphilic block polymer is weak in tackifying effect, has gel-improving effect and can improve the rheological property of the drilling fluid.
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69.发明申请公开(公告)号：US20230045108A1
公开(公告)日：2023-02-09
申请号：US17871870
申请日：2022-07-22
Applicant: China University of Petroleum - Beijing
Inventor： Yanbin WANG , Jinduo WANG , Deli GAO , Shilin XIN
Abstract: The present application provides a method, a device, and a system of vibration reduction control on the installation of a deepwater drilling riser. The method includes: determining a lateral vibration displacement of each position of the riser at different times in an installation process according to a mechanical model of the deepwater drilling riser in the installation process, determining a stress generated by a lateral vibration of the riser in the installation process, determining a vibration reduction control speed applied to a bottom of the riser in the installation process according to the stress and the lateral vibration displacement of each position of the riser at different times in the installation process, and performing a vibration reduction control on the bottom of the riser based on the vibration reduction control speed.
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公开(公告)号：US20220206174A1
公开(公告)日：2022-06-30
申请号：US17593927
申请日：2020-07-07
Applicant: CHINA UNIVERSITY OF PETROLEUM (BEIJING)
IPC: G01V1/30 , E21B49/00 , E21B43/267 , G06K9/62
Abstract: A correction method for a microseism interpretation fracturing fracture parameter result. The method includes classifying the communication modes of a block sampling fractured wells to be corrected according to the matching degree of micro seismic monitoring result and sand adding amount; correcting the volume coefficient of each said classified fractured well single well, and the volume correction coefficient By of each said fractured well is: B v = [ L 5 / 4 H ] T [ L 5 / 4 H ] W , wherein, [L5/4H]W is a calculation value of a micro seismic monitoring interpretation result; [L5/4H]T is a theoretical calculation value obtained by using field construction parameters; C, calculating the classification volume correction coefficient of each class of fractured wells according to the calculated single well volume correction coefficient of each said fractured well. The micro seismic interpretation result can be corrected in combination with the field construction parameters, so that the micro seismic monitoring data can be utilized to truly interpret the effective fracture morphology after fracturing.
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