173 patents
Page 4 of 9
Utility
Olefin polymerization catalyst comprising cyclotriveratrylene and derivatives thereof
2 Aug 22
Ting Huang, Zifang Guo, Zhufang Sun, Junling Zhou, Lunjia Xie, Hongxu Yang, Bingyi Li, Qingqiang Gou, Tingjie Huang, Peng Kou, Xiaofan Zhang, Meiyan Fu, Jie Lin, Yonghua Ma
Filed: 19 Jul 18
Utility
Washing and desalting device, washing and desalting method, desalting and dehydrating system, and desalting and dehydrating method
2 Aug 22
A washing and desalting device includes a first shell and a plurality of filaments.
Xiuna Yang, Zonglin Ruan, Huimin Qi, Ping Jin
Filed: 9 Oct 18
Utility
Process for converting inferior feedstock oil
21 Jun 22
A process for converting inferior feedstock oil includes several steps.
Youhao Xu, Tao Liu, Xin Wang, Lishun Dai, Tian Lan, Hong Nie, Dadong Li
Filed: 17 Oct 16
Utility
Amine-based polymer, a preparation process thereof and use thereof
14 Jun 22
Jianrong Zhang, Zuoxin Huang
Filed: 31 May 19
Utility
Mud pulser and method for operating thereof
14 Jun 22
A pulser for generating pressure pulses propagating through a column of drilling fluid in the drill string to the surface during drilling.
Sheng Zhan, Sam Seldon
Filed: 30 Apr 20
Utility
Monolithic catalyst used for carbon dioxide hydrogenation reaction and method for preparing same
24 May 22
A monolithic catalyst used for a carbon dioxide hydrogenation reaction and a method for preparing the same.
Yang Yu, Haibo Chen, Shixin Wei, Yusheng Yin, Chunpeng Mao, Jiedong Tan, Dong Qiu, Tianming Xie, Jian He, Huiqin Yin, Xianguo Tian, Tianlei Dong, Qiong Wang
Filed: 21 Mar 17
Utility
Magnesium alkoxide particle and application thereof
17 May 22
The magnesium alkoxide particle contains the reaction product of the following components: 1) a magnesium powder; 2) a mixed alcohol; 3) a halogenating agent; and 4) a titanate compound.
Xiudong Xu, Zhong Tan, Qilong Zhou, Rui Zhang, Weiwei Song, Jinhua Yu, Fengkui Li, Shanshan Yin
Filed: 26 Oct 17
Utility
Computer-implemented method and system for removing low frequency and low wavenumber noises to generate an enhanced image
17 May 22
A method and a system for implementing the method are disclosed wherein the source wavelet, input parameter models, and seismic input data may be obtained from a non-flat surface, sometimes mild, or foothill topography as well as the shot and receiver lines might not necessarily be straight, and often curve to avoid obstacles on the land surface.
Yongzhong Wang
Filed: 30 Jun 20
Utility
Catalyst component for olefin polymerization, catalyst, and use thereof
10 May 22
Jun Wang, Mingzhi Gao, Haitao Liu, Jing Ma, Jixing Ma, Xiaoxia Cai, Jianhua Chen, Jianjun Hu, Changxiu Li, Zhihui Zhang, Ruilin Duan, Changyou Ma
Filed: 22 Sep 17
Utility
Desulfurization catalyst, its production and application thereof
3 May 22
A desulfurization catalyst includes at least: 1) a sulfur-storing metal oxide, 2) an inorganic binder, 3) a wear-resistant component, and 4) an active metal component.
Jun Long, Shuandi Hou, Wei Lin, Ye Song, Huiping Tian
Filed: 31 Oct 17
Utility
Method and system that uses an anisotropy parameter to generate high-resolution time-migrated image gathers for reservoir characterization, and interpretation
3 May 22
Fan Xia
Filed: 31 Aug 20
Utility
Halogen-containing compound and use thereof, catalyst composition, and ethylene oligomerization, trimerization and tetramerization methods
19 Apr 22
Hongfei Wu, Mingfang Zheng, Songshuang Hu, Tonglin Li, Jun Liu, Ke Xu, Xiaoqing Wang, Feng Pan
Filed: 30 Oct 19
Utility
Surfactant composition and preparation method therefor and application thereof
29 Mar 22
This invention relates to a surfactant composition, production and use thereof in tertiary oil recovery.
Yingcheng Li, Songyuan Gu, Weidong Zhang, Xinning Bao, Ou Sha, Zhiqin Shen, Yiqing Yang, Xiaodong Zhai
Filed: 21 Nov 19
Utility
Computer-implemented method for high speed multi-source loading and retrieval of wavefields employing finite difference models
22 Mar 22
A method for efficiently injecting sources and retrieving receiver wavefields using finite difference models for wavefield simulations on a GPU, when the source and receiver are not on numerical grid points, and therefore arbitrarily located.
Changhua Zhang
Filed: 30 Jun 20
Utility
Cu-based catalyst, its preparation process and use thereof
1 Mar 22
Kai Qiao, Feng Zhou, Jie Su, Huixia Ma, Qingtong Zhai, Shumei Zhang
Filed: 14 Nov 18
Utility
Tool for opening sliding sleeve
15 Feb 22
A sliding sleeve opening tool includes an engaging element, a ball seat and a guiding head connected in sequence, as disclosed herein.
Zhenwei Gan, Bin Qi, Zhimin Hou, Shunqu Hu, Wei Zhao, Zhi Xie, Qiang Wang, Tao Liu, Jian Pan, Wenfeng Pang
Filed: 13 Jan 17
Utility
Composite catalyst and preparation method therefor
8 Feb 22
Disclosed is a composite catalyst, comprising carbon in a continuous phase and Raney alloy particles in a dispersed phase.
Wei Dai, Shuliang Lu, Haibin Jiang, Guoqing Wang, Xiaohong Zhang, Hui Peng, Jinliang Qiao
Filed: 20 Apr 20
Utility
Device for jet packing and fracturing and tubular column comprising same
1 Feb 22
A device for perforating, packing, and fracturing and a tubing string comprising the device are disclosed, wherein the device comprises an upper connector, a nozzle sleeve, a mandrel, a packer, a lower connector, a first inner sleeve provided inside the upper connector, and a second inner sleeve provided inside the nozzle sleeve, further wherein the upper connector is provided with a fracturing hole, and a nozzle is provided at the nozzle sleeve.
Zhenwei Gan, Bin Qi, Zhimin Hou, Shunqu Hu, Wei Lei, Chen Chen, Zhi Xie, Qiang Wang, Wei Zhao, Yijun Zhou
Filed: 13 Jan 17
Utility
Carbon-coated transition metal nanocomposite material, preparation and application thereof
18 Jan 22
A carbon-coated transition metal nanocomposite material includes carbon-coated transition metal particles having a core-shell structure.
Junfeng Rong, Genghuang Wu, Jingxin Xie, Mingsheng Zong, Weiguo Lin, Peng Yu, Hongbo Ji
Filed: 27 Jul 18
Utility
Method for controlling a drilling system
18 Jan 22
A drilling system that includes a mud pump disposed on an earth surface and a drill string with a bottom hole assembly (BHA) in a borehole.
Jun Han, Sheng Zhan, Fengtao Hu, Jinhai Zhao
Filed: 11 Jul 20