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121.发明授权公开(公告)号：US11014994B2
公开(公告)日：2021-05-25
申请号：US16161894
申请日：2018-10-16
Applicant: PetroChina Company Limited
Inventor： Mingge Zhang , Dianjun Li , Shuo Wang , Hongming Li , Yuan Yuan , Jianjun Yi , Tianxu Sun , Jing Mao , Lin Men , Qigu Huang , Runcong Zhang , Jing Wang , Yanpei Nie
Abstract: The present invention relates to an olefin coordination polymerization catalyst and a preparation method and application thereof. The olefin polymerization catalyst consists of a primary catalyst mainly prepared from a magnesium compound, a transition metal halide, a C2-C15 alcohol and an electron donor in a molar ratio of 1:1-40:0.01-10:0.001-10, and a co-catalyst which is an organoaluminum compound; and the molar ratio of the transition metal halide to the co-catalyst is 1:10-500. The catalyst of the present invention has a good particle morphology, and a spherical shape, and the catalyst particles do not stick to the vessel wall; the catalyst has high activity and excellent hydrogen regulation performance, and the melt index MFR of polyethylene may be adjusted within 0.01 g/10 min-550 g/10 min; and the catalyst is applicable in slurry polymerization process, loop reactor polymerization process, gas phase polymerization process or combined polymerization process.
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公开(公告)号：US11010507B2
公开(公告)日：2021-05-18
申请号：US15749290
申请日：2016-10-10
Applicant: PetroChina Company Limited
Inventor： Zhou Feng , Ning Li , Hongliang Wu , Huafeng Wang , Qingfu Feng , Kewen Wang
Abstract: The present invention provides a stratum component optimization determination method and device, which fall within the technical field of oil-gas exploration well logging. The method comprises: establishing a stratum rock component model according to core analysis data and geological conditions of a stratum to be detected, and determining a well logging curve determined by a participation model; determining a well logging response equation expression corresponding to the well logging curve determined by the participation model; parsing, recording and storing the well logging response equation expression, establishing a target function of an optimization problem, and solving the target function through an iteration algorithm to determine an optimal component content of the stratum to be detected. By establishing the stratum rock component model, determining corresponding well logging response equation, and parsing through an expression parsing method and recording and storing the well logging response equation expression, and then, establishing the target function of the optimization problem, and obtaining the optimal component content of the stratum to be detected through the iteration algorithm, the present invention can not only optimizes the self-defined well logging response equation expression of the user, but achieves a high processing precision.
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公开(公告)号：US10982131B2
公开(公告)日：2021-04-20
申请号：US16365765
申请日：2019-03-27
Applicant: PetroChina Company Limited
Inventor： Shubao Hu , Yong Yang , Liqiang Zhao , Guohua Liu , Mengmeng Ning , Kun Xu , Juan Du , Ning Li , Lina Zhang , Yuanzhao Jia
Abstract: Provided are a phase transition material fluid and a proppant formed therefrom, wherein the components for preparing the phase transition material fluid comprise in percentages by mass: a supramolecular building block 10 to 60 wt %, a supramolecular functional unit 20 to 50 wt %, a dispersant 0.1 to 2 wt %, an inorganic co-builder 0.1 to 1 wt %, an initiator 0.1 to 1 wt %, the balance being a solvent. The supramolecular building block comprises a melamine-based substance and/or a triazine-based substance; the supramolecular functional unit comprises a dicyclopentadiene resin; and the dispersant includes a hydroxyl-bearing polysaccharide substance and a surfactant. After the phase transition material fluid enters the reservoir, it may form a solid substance to prop the fracture under the action of supramolecular chemistry and physics.
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公开(公告)号：US10976456B2
公开(公告)日：2021-04-13
申请号：US16016749
申请日：2018-06-25
Inventor： Tongshan Wang , Tong Lin , Dewen Zheng , Zhide Wu , Jianfeng Liu
Abstract: The present invention discloses an acoustic sensor for rock crack detection including an acoustic emission probe, a probe installation mechanism and a transmission mechanism which transmits a combination of the probe installation mechanism and the acoustic emission probe to a setting position inside a borehole in the monitored rock mass. The acoustic emission probe installation mechanism essentially includes a sleeve component, a guide component, an end cap and springs. The guide component is in pluggable connection with the sleeve component or the end cap. The assembled probe installation mechanism locks the acoustic emission probe in a probe sleeve of the sleeve component. The springs inside the elastic sleeve of the sleeve component are in a compressed state.
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公开(公告)号：US10962679B2
公开(公告)日：2021-03-30
申请号：US15942356
申请日：2018-03-30
Applicant: PetroChina Company Limited
Inventor： Hongliang Wu , Zhou Feng , Ning Li , Kewen Wang , Qingfu Feng , Gong Zhang
Abstract: Disclosed is a method of acquiring the rock component content in a stratum, the method comprising: on the basis of acquired element capture spectroscopy logging data, performing normalization processing on each element yield in the stratum rock components; on the basis of an element yield curve obtained from the normalization processing and a pre-established stratum rock interpretation model, establishing a logging curve response equation set; and utilizing the established logging curve response equation set and an optimization algorithm, calculating the content of a rock component in a stratum. The method and device can directly process element yield data of element capture spectroscopy logging, and can improve the accuracy of calculating the rock component in a stratum.
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Patent Agency Ranking
126.发明申请公开(公告)号：US20210079789A1
公开(公告)日：2021-03-18
申请号：US16729606
申请日：2019-12-30
Applicant: PetroChina Company Limited
Inventor： Dongming ZHI , Lichun KUANG , Xiaojun WANG , Zhongchun SUN , Zhijun QIN , Wei WANG , Ni ZHANG , Xinjun MAO , Min Ouyang , Qiusheng CHANG
Abstract: A shale oil analysis method and apparatus for continuously characterizing saturation of adsorbed oil and free oil, comprising: obtain NMR T2 spectrum, NMR porosity, oil saturation and wettability indexes of a core samples, determine a lower limit value for the saturation calculation of the absorbed oil based on the NMR T2 spectrum, the NMR porosity, the oil saturation and wettability indices; determining a lower limit value for the saturation calculation of the free oil according to the bulk relaxation T2 spectrum of the crude oil of the well interval or an adjacent well interval and the NMR T2 spectrum of the core samples; calculating the saturation of the absorbed oil and the free oil, and analyzing the shale oil in the well interval to be analyzed. The solution realizes the quantitative and continuous characterization of the adsorbed oil and the free oil of the shale oil via well logs.
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公开(公告)号：US10927195B2
公开(公告)日：2021-02-23
申请号：US16159087
申请日：2018-10-12
Applicant: PetroChina Company Limited
Inventor： Jianjun Yi , Mingge Zhang , Hongming Li , Tianxu Sun , Yuan Yuan , Yisen Wang , Qigu Huang , Runcong Zhang , Jing Wang , Yanpei Nie
Abstract: The present invention provides an olefin coordination polymerization catalyst and use thereof. The composition of the raw materials of the olefin coordination polymerization catalyst comprises: a main catalyst and a cocatalyst, wherein a molar ratio of the transition metal halide in the main catalyst to the cocatalyst is 1:10-500; and the composition of the raw materials of the main catalyst comprises a magnesium compound, a transition metal halide, an alcohol having 2 to 15 carbon atoms, and a star-shaped organosiloxane compound in a molar ratio of 1:1-40:0.01-10:0.001-10; and the cocatalyst comprises an organoaluminum compound. The above olefin coordination polymerization catalyst is used as a catalyst for ethylene polymerization, propylene polymerization, and copolymerization of ethylene or propylene with an α-olefin. The olefin polymerization catalyst of the present invention has good catalytic activity.
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公开(公告)号：US10921477B2
公开(公告)日：2021-02-16
申请号：US16108848
申请日：2018-08-22
Applicant: PetroChina Company Limited
Inventor： Chuang Li , Jianguo Pan , Hongbin Wang , Jianguo Zhao , Linjun Huang , Dong Sun , Chao Feng , Qingzhou Yao , Yanfang Gao
Abstract: The present disclosure disclose a method, an apparatus and a system for eliminating a frequency dispersion effect, wherein the method comprises: testing a core sample to obtain logging band velocities and seismic band velocities under different pressures; fitting a relationship between a stratum pressure and the logging band velocity using the logging band velocities under different pressures, and fitting a relationship between the stratum pressure and the seismic band velocity using the seismic band velocities under different pressures; and eliminating a frequency dispersion effect in a target area using the relationship between the stratum pressure and the logging band velocity and the relationship between the stratum pressure and the seismic band velocity.
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公开(公告)号：US20200369689A1
公开(公告)日：2020-11-26
申请号：US16843476
申请日：2020-04-08
Applicant: PetroChina Company Limited
Inventor： Jianjun YI , Liang CUI , Xilai ZHANG , Junyu LEI , Haijun HAO , Shisheng ZHAO , Kefeng WANG , Junpeng ZHUANG , Shenghui ZHANG
Abstract: The present disclosure discloses an arylaminosilane compound, a propylene polymerization catalyst and preparation thereof. The arylaminosilane compound has a structure of wherein R1 is a C1-C8 alkyl group or a C1-C8 silanyl group; R2, R3, R4, R5 and R6 are each independently H or a C1-C12 alkyl group; R7, R8 and R9 are each independently a C1-C8 alkyl group or a C1-C8 alkoxy group. When the arylaminosilane compound is used as an external electron donor of a propylene polymerization catalyst in propylene polymerization reaction, the catalyst has good hydrogen response.
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公开(公告)号：US10808052B2
公开(公告)日：2020-10-20
申请号：US15747268
申请日：2016-02-19
Applicant: PetroChina Company Limited
Inventor： Yuan Yuan , Tianxu Sun , Jianjun Yi , Shan Xue , Kefeng Wang , Kuilong Tan , Li Wang , Rongbo Li
IPC: C08F10/02 , C08F4/02 , C08F110/02 , C08F110/06 , C08F10/06 , C08F4/6592 , C08F4/659
Abstract: The present invention provides a spherical supported transition metal catalyst. The catalyst carrier is a spherical titanium/zirconium hydrophosphate compound, the primary catalyst is a transition metal compound, the co-catalyst is methylaluminoxane; the spherical titanium/zirconium hydrophosphate compound comprises one or several combinations of titanium hydrophosphate, modified titanium hydrophosphate and zirconium hydrophosphate. The present invention also provides a preparation method of said spherical supported transition metal catalyst and a use thereof in olefin polymerization, as well as the spherical titanium/zirconium hydrophosphate compound and its preparation method. The spherical, supported transition metal catalyst in the present invention has a high catalytic activity, and the polymer particles obtained have good morphology.
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