306 patents
Page 4 of 16
Utility
Reservoir Parameter Prediction Method and Apparatus Based on Geological Characteristic Constraint, and Storage Medium
5 Oct 23
A method, an apparatus, a computer storage medium and a computer device for geological characteristic constraint-based reservoir parameter prediction are provided.
Kai XU, Zhentao SUN, Shixing WANG, Jinliang TANG, Huilan CAO, Ruyi ZHANG, Xiaoxue ZHENG, Ming YAO
Filed: 30 Jun 21
Utility
Composition, Preparation Method for and Application of Composition, and Self-healing Method for Well Cementing In Oil/gas Field
21 Sep 23
Described are a self-healing composition, and a preparation method for and an application of the composition.
Hongwen LIANG, Gewei PENG, Hailiang ZHANG, Xiaojun MO, Fan YANG, Junhua ZHANG, Xu WANG, Qichun WANG, Min ZENG
Filed: 21 Jul 21
Utility
Polymer Having Dispersing Function, Oil Well Cement Dispersant, and Preparation Method Therefor and Use Thereof
14 Sep 23
A polymer having a dispersing function, a preparation method therefor, and a use thereof as a cement dispersant are provided.
Shiming ZHOU, Xia MIAO, Guangguo YANG, Haoguang WEI, Peiqing LU, Jingnan XIAO, Hongqi YANG, Rengguang LIU, Lei CHEN, Lishuang WANG, Laiyu SANG, Jinkai ZHANG, Yongtao CHU
Filed: 13 Aug 21
Utility
Transalkylation of Alkylated Phenols
14 Sep 23
Transalkylation processes using catalysts comprising three dimensional 12 membered ring zeolites with a combination of small and large pores are described.
Somphonh Peter PHIVILAY, Neelesh RANE, Liwei GUO, Zhenhua ZHOU
Filed: 30 Sep 20
Utility
Coking System and Coking Process
31 Aug 23
A coking system comprises the 1st to the m-th heating units and the 1st to the n-th coke towers, each of the m heating units being in communication with the n coke towers, respectively, each of the n coke towers being in communication with one or more separation towers, respectively, in communication with the m-th heating unit and optionally with the i-th heating unit.
Renqing CHU, Xiangchen FANG, Dan GUO, Yongyi SONG, Jihua LIU, Lianzhong GOU, Dewei JIAO, Yun WU
Filed: 10 May 23
Utility
Copolymer of Olefin and Unsaturated Carboxylic Acid or Unsaturated Carboxylic Acid Derivative
17 Aug 23
A preparation method for a copolymer includes the step(s) of contacting an olefin and an unsaturated carboxylic acid shown in Formula II or a derivative of the unsaturated carboxylic acid shown in Formula II with a catalyst and optionally a chain transfer agent for reaction in the presence of an alkane solvent to obtain the copolymer.
Rong GAO, Zifang GUO, Junling ZHOU, Dongbing LIU, Jie FU, Jingjing LAI, Tingjie HUANG, Shiyuan XU, Xinyang LI
Filed: 21 Apr 23
Utility
Thermal Recovery Construction Method
17 Aug 23
A thermal recovery construction method includes the steps of determining design parameters of a current thermal recovery construction according to geological data and reservoir characteristics of a current oil deposit area to be stimulated; preparing, according to the design parameters, coal water slurry required for the current thermal recovery construction; injecting the coal water slurry into a target reservoir through an injection well with an injection mode of the design parameters, along with combustion adjuvant with an amount selected based on a total injection amount of the coal water slurry; and inducing spontaneous combustion of the coal water slurry by thermal energy generated by a downhole heating device, and performing control and displacement on the reservoir with the thermal energy and gas generated after the combustion.
Zengmin LUN, Huanquan SUN, Guangfu WANG, Bo HU, Lei TANG, Yuanliang YANG, Jianyong WANG, Chengyuan LV, Jianfang SUN, Haitao WANG, Yanbo JIANG, Tao MA
Filed: 30 Oct 20
Utility
Catalytic Cracking Catalyst and Process for Preparing the Same
10 Aug 23
A catalytic cracking catalyst contains 10-70 wt % of a cracking active component, 10-60 wt % of a binder and 10-70 wt % of a clay.
Wei LIN, Xue YANG, Min SUN, Jihong ZHOU, Zhenbo WANG, Ningyuan SHEN
Filed: 23 Jun 21
Utility
Coated Rubber Particle, Its Preparation and Application Thereof
3 Aug 23
Disclosed is a coated rubber particle, preparation thereof and its application as a plugging material in drilling fluids.
Gongrang LI, Wenbo LI, Bingxiang SUN, Hui TIAN, Xizhou WANG, Ke LI, Jianghong JIA, Lei YU, Jie SUN, Xudong WANG, Chengjun WANG, Bingtai LI, Haibin LI, Zhendong LIU, Kai GAO, Chunguang LI, Hui LI
Filed: 4 Feb 21
Utility
Hydrate Decomposition Inhibiting Composition, Coupling Enhanced Solid Hydrate, and Method for Improving Solid Hydrate Storage and Transportation Stability
3 Aug 23
A hydrate decomposition inhibiting composition, a coupling enhanced solid hydrate, and a method for improving the solid hydrate storage and transportation stability relating to the technical field of natural gas safety storage and transportation are provided.
Kele YAN, Anshan XIAO, Shanjun MU, Xuyao HU, Yuemeng REN, Hongxing ZHANG, Yu LIN
Filed: 26 Jan 21
Utility
Alkylaniline Polyether Benzenesulfonate and Process of Producing Same
3 Aug 23
A process for the conversion of methanol to olefins includes the steps of passing a feedstock comprising methanol to a fluidized bed reactor in contact with a catalyst to produce an olefin product, wherein the process at least partially deactivates the catalyst to form an at least partially deactivated catalyst; and passing spent catalyst from said at least partially deactivated catalyst to a regenerator for regeneration thereby forming regenerated catalyst and returning activated catalyst from said regenerated catalyst to said reactor via a regenerated catalyst line.
Yingcheng LI, Xinning BAO, Weidong ZHANG, Ou SHA, Xinyue WU, Jun JIN
Filed: 2 Jul 21
Utility
Hydrate Accelerator, Hydrate and Preparation Method Thereof
27 Jul 23
Kele YAN, Anshan XIAO, Shanjun MU, Xuyao HU, Yuemeng REN, Hongxing ZHANG, Yu LIN
Filed: 26 Jan 21
Utility
Sphere-like Super-macroporous Mesoporous Material and Polyolefin Catalyst Containing Same
27 Jul 23
Disclosed are a spherelike supermacroporous mesoporous material, a polyolefin catalyst, and a preparation method therefor and an olefin polymerization process.
Yu KANG, Xinping LYU, Dongbing LIU, Zifang GUO, Hongmei LIU, Bingyi LI, Ruen WANG
Filed: 30 Oct 20
Utility
Wellbore Staged Operation Method and Rubber Plug for Said Method
27 Jul 23
A wellbore staged operation method, includes running, after a first well drifting operation is performed on a wellbore, a pipe string (100) in the wellbore, wherein the pipe string (100) includes, along a direction from bottom to top, a floating hoop (2), a plug seat (7), a toe-end sliding sleeve (3), and a fracturing sliding sleeve (4); performing a cementing operation, wherein cement slurry pumped into an inner chamber of the pipe string (100) enters an annulus between the pipe string and the wellbore through the plug seat (7) and the floating hoop (2) to form a cement sheath, the cement sheath isolating the toe-end sliding sleeve (3) from the fracturing sliding sleeve (4); performing a second drifting operation to ensure the toe-end sliding sleeve (3) of the pipe string (100) exposed; performing a pressure test for the pipe string; and performing staged fracturing constructions.
Wei LEI, Zhimin HOU, Haifeng DONG, Yancheng YAN, Lin LAN, Xingwen WANG, Xiaogang WANG, Zhiguo QIAO, Zhou FANG
Filed: 10 Jun 21
Utility
Flame Arrester
20 Jul 23
A flame arrester, has a housing having an inlet and an outlet, and a flame retardant core arranged within the housing.
Lei BAO, Anfeng YU, Peng WANG, Wenyi DANG, Yongzhong BAI, Chen KUANG, Xiaodong LING, Guoxin CHEN, Houda LI, Meng GU
Filed: 22 Jan 21
Utility
Device and Method for Preparing Polyalphaolefin
6 Jul 23
An apparatus for preparing polyalpha-olefins includes a mixing unit, a microchannel reaction unit, a high-pressure separation unit, a low-pressure separation unit, a gas circulation unit, a post-treatment unit and a pressure control unit, the mixing unit, the microchannel reaction unit, the high-pressure separation unit, the low-pressure separation unit that are successively connected.
Shuo SU, Xin CHENG, Bing XU, Qinghua DUAN, Jiayao YAO, Zuoxin HUANG, Xiaojin TANG, Tao HUANG, Ying HAN
Filed: 20 Apr 21
Utility
Hydrogenation Catalyst and Preparation Method Therefor and Use Thereof
6 Jul 23
A catalyst has a carrier and a hydrogenation active metal component supported on the carrier.
Yanzi JIA, Hong NIE, Qinghe YANG, Shuangqin ZENG, Dawei HU, Xinqiang ZHAO, Zhonghuo DENG, Liang REN, Xinpeng NIE
Filed: 28 Apr 21
Utility
Method and Apparatus for Using Pulsed Neutron Generators and Dual-Function Detectors to Obtain Formation Mineralogy
29 Jun 23
A method for obtaining elemental concentration and determining the formation mineralogy uses a tool having multiple dual-function detectors that can detect both neutrons and gamma rays simultaneously.
Sheng ZHAN, Jeremy ZHANG, Zongqi CHEN, Xianghua LIU
Filed: 21 Feb 23
Utility
Phosphorus-containing/phosphorus-modified ZSM-5 Molecular Sieve, Cracking Auxiliary and Cracking Catalyst Containing the Same, Process of Preparing the Same, and Use Thereof
29 Jun 23
A phosphorus-containing or phosphorus-modified ZSM-5 molecular sieve is characterized in that in its 27Al MAS-NMR, the ratio of peak area for the resonance signal having a chemical shift of 39±3 ppm to peak area for the resonance signal having a chemical shift of 54 ppm±3 ppm is ≥1; or in its surface XPS elemental analysis, the value of n1/n2 is ≤0.1. n1 represents the mole number of phosphorus, n2 represents the total mole number of silicon and aluminum.
Yibin LUO, Chengqiang WANG, Ying OUYANG, Enhui XING, Xingtian SHU
Filed: 13 Apr 21
Utility
Foam Producing Method, Fire Extinguishing Method, and Appliance for Foam Extinguishing
18 May 23
A foam production method includes mixing liquid nitrogen with a foaming material to produce foam.
Shanjun MU, Chunming JIANG, Weihua ZHANG, Quanzhen LIU, Xuqing LANG, Xiaodong MU, Lin WANG, Jingfeng WU, Longmei TAN, Zuzheng SHANG, Rifeng ZHOU, Jianxiang LI, Hui YU
Filed: 19 Jan 23