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Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has published Petrochina Shanghai New Materials Res Institute Co Ltd and PetroChina patent application for Composition Solution, Polyimide Film, Preparation Method and Application. The invention was developed by Yang Jiming, Li Zeqiu, Hu Qilin and Tao Ruoyuan.
Th..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Shandong Zhangqiu Blower and Beihang University have filed a patent application for Extremely-low-specific-speed Centrifugal Hydrogen Compressor Closed Impeller and Design Method Thereof. This invention was developed by Fang Xiangjun, Ren Peng, Li Yongqing, Li Chenglong, Guo Xu, Fang Shupeng, Liu Shihua, Han ..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has published China Petroleum & Chemical and Sinopec Res Institute Of Petroleum Processing patent application for Preparation Method of Furfural. The invention was developed by Chen Gongzhe, Sun Qianhui, Du Zexue and Zong Baoning.
The patent application number is..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has published Foshan Shunfan Precision Tech Co Ltd patent application for Energy-saving Gas Compressor and Using Method Thereof. The invention was developed by Liao Xiangguang and Pang Ribao.
The patent application number is CN202511209143 20250827. The patent pu..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has published China National Petroleum and China Kunlun Contracting & Engineering Corp patent application for Preparation Method of Nylon 66 Salt Crystal. The invention was developed by Zhang Jichao, Qi Shijie, Jiang Zezhen, Tani Kiyoshi, Wang Yong, Li Yan and Wang ..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Hana Industries Company Ltd has filed a patent application for Control System and Method of Electronic Oil Pump. This invention was developed by Wang Huasheng, Zhang Jian and Chen Jiangang.
The patent application number is CN20251112133 20250722. The patent publication number is CN120990722 (A). Internatio..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Dalian University of Technology and Planning and Engineering Institute Petrochina Company Ltd have sought patent for Swing Type Piston Expander and Working Method Thereof. This invention was developed by Hu Dapeng, Xiang Qixuan, Wang Nianrong, Shan Lei, Zhao Yiming and Liu Fengxia.
The patent application n..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- China Petroleum Pipeline Engineering Corp, China National Petroleum and China Petroleum Pipeline Engineering Co Ltd have sought patent for Method and System for Reconstructing Liquefied Natural Gas Storage Cavern Based on Abandoned Laneway. This invention was developed by Li Yin, Cui Shaodong, Chen Xuejian, G..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Coalfield Geological Center Of Xinjiang Uygur Autonomous Region Geology Bureau has sought patent for Coal Seam Gas Extraction and Water Injection One-hole Multi-purpose Wellhead Device and Control Method. This invention was developed by Chen Weikang, Deng Xuefeng, Wu Bo, Lan Hongfei, Li Qiang, Quan Weizhou an..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has received China Petroleum & Chemical and Sinopec Shanghai Petrochemical patent application for Carbon Fiber Composite Material Reinforced Metal Guide Roller and Preparation Method and Application Thereof. Shi Xiaochao, Feng Bao, Ma Jun, Lu Wugang and Zhou Jianmin..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Toshiba and Toshiba System Tech Corporation have sought patent for Carbon Dioxide Electrolysis Device and Carbon Dioxide Electrolysis Method. This invention was developed by Miyai Shunpei and Mizuguchi Koji.
The patent application number is CN202510115743 20250124. The patent publication number is CN120989..
Oil & Gas
| Tue 31 Mar 2026
Beijing, April 1 -- Hilong Petroleum Eng Tianjin Co Ltd and Hilong Oil Offshore Eng Co Ltd have filed a patent application for Multi-stand-column Single-point Mooring System. This invention was developed by Gao Feng, Zhang Jing, He Li, Pang Zuopeng, Liu Haifeng, Xu Qiju, Liu Xiaozhao and Zhang Qian.
The patent application num..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has received Karamay New Oil International Sucker Rod Remanufacturing Co Ltd patent application for Device for Removing Centralizer on Sucker Rod and Using Method of Device. Hu Junwang, Wang Liang, Xiao Gongcai, Xu Fayou and Xiao Lei developed the invention.
The ..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has published PetroChina patent application for Device and Method for Replacing Rubber Valve Core of Producing Well. The invention was developed by Li Bingjun, Wang Peihua, Liu Shujun, Dong Jinglong, Li Jiajun, Xu Tao, Xue Haichao, Wu Guiqiang, Fan Bingxuan and Zeng..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Xinji City Xingang Cylinder Head Co Ltd has applied Chinese patent for Turnover Core Shooter for Cylinder Cover Production. Wang Tiebao, Yang Yonglai, Yao Liu, Zhang Dong, Duan Yunfeng and Cao Peng developed it.
The patent application number is CN202511229094 20250829. The patent publication number is CN12..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- China Nat Offshore Oil Corp and China Oilfield Services have filed a patent application for Optical Fiber Ring Structure for Rotary Guiding Instrument and Rotary Guiding Instrument. This invention was developed by Shang Jie, Sun Shixian, Jia Jianbo, Zhang Guanqi, Ji Ling, Li Haidong, Liang Qianwei and Yue Des..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has published Cnpc Engineering Mat R & D Company Limited and China National Petroleum patent application for Three-dimensional Deformation Real-time Monitoring Method and System Based on Beidou and Inclination Angle Data Fusion. The invention was developed by Xie Sh..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Daqing Xinbaiyuan Tech Service Co Ltd has sought patent for Small-diameter Casing Deformation Combination Instrument. This invention was developed by Song Yuquan.
The patent application number is CN202511431544 20251009. The patent publication number is CN120991740 (A). International Patent Classification ..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has received Karamay Fucheng Oil And Gas Sales Co Ltd patent application for LNG (liquefied Natural Gas) Production System and Method. Qu Zhiwei, Fan Ping, Cao Zhi, Qi Heng, Li Erlang Fu, Song Yiyou, Tian Kai and Chen Hui developed the invention.
The patent appli..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Xinchang Tech Co Ltd has filed a patent application for Crude Oil Storage Tank Sediment Treatment Device. This invention was developed by Li Fei and Liu Zhe.
The patent application number is CN202511508441 20251022. The patent publication number is CN120988739 (A). International Patent Classification codes..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has received China Nat Offshore Oil Corp, Beijing Res Center Cnooc China Co Ltd and China Oilfield Services patent application for Polymer Fracturing Fluid for Offshore Oilfield and Preparation Method Thereof. Ma Yingwen, Shen Jinwei, Wu Guang'ai, Wang Li, Cao Yanfe..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has published China Petroleum & Chemical and Sinopec Shengli Oilfield patent application for Nano Lignin Cross-linking Agent for High-temperature-resistant Fracturing Fluid as Well as Preparation Method and Application of Nano Lignin Cross-linking Agent. The inventi..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has published Shaanxi Daokang Energy Science & Tech Co Ltd and Xi'an Hetai Chemical Ind Co Ltd patent application for Acidification Blocking Remover for Oil Field and Preparation Method of Acidification Blocking Remover. The invention was developed by Ren Yingjiu, W..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Shake Tianjin Petroleum Tech Service Co Ltd has filed a patent application for Ultrahigh-temperature Oil-based Drilling Fluid System and Preparation Method Thereof. This invention was developed by Zhang Shijun, Zhao Guanghui and Zhang Maoxin.
The patent application number is CN202510852070 20250624. The pa..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has received Guangzhou Hao Li Tech Co Ltd patent application for Silicone Oil Refining Method. Gao Jiadong, Feng Zhihao, Wang Jiehan and Zhu Li developed the invention.
The patent application number is CN202511259214 20250904. The patent publication number is CN1..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- China National Petroleum and Res Inst Safety & Env Tech Co Ltd China Nat Petroleum Corp have submitted a patent application for Hydrogen Leakage Monitoring and Positioning System and Method for High-pressure Hydrogen Conveying Pipeline Station. This invention was developed by Wang Yajie, Sun Bingcai, Chu Shen..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- China Petroleum Pipeline Engineering Corp, China National Petroleum and China Petroleum Pipeline Engineering Co Ltd have filed a patent application for Water Curtain Hole Automatic Monitoring Controller. This invention was developed by Zhong Wei, Li Wei, Lu Beiwen, Xu Xingbei, Chen Xuejian, Cui Shaodong, Hao ..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has received China Petroleum Pipeline Engineering Corp, China National Petroleum and China Petroleum Pipeline Engineering Co Ltd patent application for Full-period Intelligent Monitoring Method and System for Liquefied Natural Gas Storage Cavern. Guo Shutai, Li Yin,..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- CNPC Xibu Drilling Eng Co Ltd and China National Petroleum have submitted a patent application for Low-molecular Salt-resistant Thickening Agent and Preparation Method Thereof. This invention was developed by Wang Sukai, Liang Yan, Li Yonglong, Liu Wei, Pu Songling, Sun Lei and Zhang Siyu.
The patent appli..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has received Sinopec Group and Sinopec Oilfield Equipment patent application for Multi-stage Replaceable Radial Bearing Transmission Shaft Assembly. Zhang Xiaojun, Xiao Ping, Zhang Jinlong, Qin Fei, Wang Xin, Wang Youlin and Gao Wenlin developed the invention.
Th..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- China Petroleum Pipeline Engineering Corp, China National Petroleum and China Petroleum Pipeline Engineering Co Ltd have submitted a patent application for Regulation and Control Method and System for Fractured Surrounding Rock Freezing Circle of Underground Natural Gas Storage Cavern. This invention was deve..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- China National Petroleum and China Petroleum Logging Co Ltd have sought patent for Optical Fiber Crossing Device for Photoelectric Composite Logging Downhole Instrument. This invention was developed by Ma Ying, Wang Haipeng, Xu Qingdong, Chi Ming, Chen Jing, Wang Guiyu, Guo Mingming, Hu Tianran, Jiang Tao, Wa..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has published China Petroleum & Chemical and Sinopec Shengli Oilfield patent application for Thick Oil Horizontal Well Liquid Production Profile Interpretation Method and System. The invention was developed by Han Yanhui, Liu Ming, Yu Tiantian, Liang Wei, Chen Liyua..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- China National Petroleum, CNPC Engineering Tech R & D Co Ltd and CNPC Jianghan Machinery Res Institute Co Ltd have filed a patent application for Novel Continuous Oil Pipe Spray Gun Equipment. This invention was developed by Yang Gao, Gai Zhiliang, Wu Dafei, Zeng Yongfeng, Guo Yu, Chen Xiong, Zhu Xuwei, Li Da..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has received Xinjiang Petroleum Administration Bureau Co Ltd and China National Petroleum patent application for Underground Hydraulic Radial Tapping Device. Xiang Xinsheng, Wang Jian, Li Shijie, Guo Xinwei, Wu Shuanghua, Zhang Mannian, Hao Chengzhi and Liang Yongga..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- China National Petroleum, CNPC Engineering Tech R & D Co Ltd and CNPC Jianghan Machinery Res Institute Co Ltd have submitted a patent application for Double-string Shaft Cleaning Structure Suitable for Low-pressure Oil and Gas Well and Construction Method. This invention was developed by Zhang Youjun, Zeng Yo..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has received Daqing Oilfield and PetroChina patent application for Wellhead Pressing Oil Pipe Setting Device. Wang Honghai, Zheng Guoxing, Liu Jintang, Wang Yan, Wang Guoqing, Zheng Xuecheng, Li Weiwei, Peng Yonggang, Ma Zhiquan, Zhang Huaiyu, Zhou Guangling and Zha..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Ruibaituo Dongguan Petroleum Tech Co Ltd has filed a patent application for Reamer. This invention was developed by Ge Weirong and Zhang Heng.
The patent application number is CN202511287434 20250910. The patent publication number is CN120990490 (A). International Patent Classification codes are E21B10/32 ..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has received China Petroleum & Chemical and Sinopec Oilfield Equipment patent application for Composite Percussion Drilling Speed Increasing Tool. Chen Dongfang, Song Jian, Wang Haixia, Xiao Ping, Tang Fushi, Zhang Jinlong and Qin Fei developed the invention.
The..
Oil & Gas
| Tue 31 Mar 2026
Beijing, April 1 -- Guangzhou Dourland Medium Tech Co Ltd has sought patent for Bright Quenching Oil and Preparation Method Thereof. This invention was developed by Zhuang Xiaohua, Li Yi, Zhang Jingyun and Ye Changyi.
The patent application number is CN202511516774 20251023. The patent publication number is CN120989340 (A). I..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has released CSSC Jieli Gas Technology (Shanxi) patent application for Auxiliary Installation Tool. This invention was developed by Wu Zhaomin, Zhang Lei, Zhang Jiankang, Yue Guobo, Luo Lugang, Song Yaping, Wu Chunlin, Hao Chen and Xia Hui.
The patent application n..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has published Shanghai Keyuan Environment Tech Co Ltd and Sinopec Nanjing Engineering & Construction patent application for Centrifugal Self-cleaning Pipeline Type Degreaser. The invention was developed by Guan Xiaowei, Zhang Hong, Shi Yong, Zhang Zhengxing and Fan ..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- China University of Petroleum, East China has filed a patent application for Portable Detection Device and Rapid Detection Method for Sand Blocking Precision of Sand Control Screen Pipe. This invention was developed by Dong Changyin, Zhang Chuwei, Ren Jiayi, Li Jiahe, Feng Shuhao, Shi Yongda and Zeng Xiaobo.
..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Shaanxi Zhongji Huaqing Electromechanical Co Ltd has submitted a patent application for Skid-mounted Equipment for Heating Crude Oil at Well Group Station. This invention was developed by Yang Guocheng, Wang Zhining, Yan Zechen, Jiang Xiao, Jiang Yalong, Shi Caiping, Chen Wenhe, Jiang Xiaobo, Wang Donghai, Li..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- CIMC Aikede Heilongjiang Tech Co Ltd has submitted a patent application for Carbon Dioxide Supercritical Heating System and Heating Control Method. This invention was developed by Han Xingwang, Fan Pingyan, Jiang Yunyu, Zhang Qingbo, Li Xueliang, Cheng Long and Sun Heliang.
The patent application number is..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Ding Shuhua has submitted a patent application for Universal Space Oxygen Balancing Device. Zhou Zhongting developed the invention.
The patent application number is CN202511507324 20251021. The patent publication number is CN120991400 (A). International Patent Classification codes are B60H3/00, F24F11/52, ..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has published PetroChina patent application for Automatic Ignition Device for Oil Field Torch. The invention was developed by Yan Yunde, Hu Yusheng, Gu Jiamo, Yang Lin, Li Xiang, Wang Zidun, Deng Mingjian, Su Peng, Wang Sicheng, Lu Jingwei, Ma Hailong, Huai Jianhua ..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has published Schlumberger Technology patent application for Controlled Reflux for Stress Testing Using Vials with Slip Sampling. The invention was developed by Tao Chen, Partouche Alain, Dubost Francis Xavier, Nelson Kevin R and Lee Yan Fei.
The patent application..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Baker Hughes Oilfield Operations has submitted a patent application for Protected Assistance Ring for Metal Face Seals and Earth-boring Tool Including. This invention was developed by Ricks Gregory L and Schroeder Jon David.
The patent application number is CN20248019998 20240322. The patent publication numb..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Lisen Noco Company has submitted a patent application for Method for Producing Electrolyte Solution and Method for Producing Fluorine Gas. This invention was developed by Fukuchi Yohsuke, Mikami Katsumi, Hashizume Shuhei and Kobayashi Hiroshi.
The patent application number is CN20248026381 20240311. The pa..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Chevron Oronite has submitted a patent application for Aftertreatment System Friendly Engine Oil Formulations. This invention was developed by Lee David S, Muelhage Rafal, Mclaughlin Matthew, Bohan Patrick and Hattori Daiki.
The patent application number is CN20248026301 20240312. The patent publication numb..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has received ExxonMobil Technology and Engineering patent application for Catalyst for Copolymerization. Zabula Anthony V, Dupper Timothy J, Titone Michael E, Canich Jo Ann M, Lopez-barron Carlos Ruben, Lin Tzu-pin, Mattler Sarah J, Goryunov Georgy P, Uborsky Dmitry..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- ExxonMobil Technology and Engineering has submitted a patent application for Metallocene Catalyst Compound Having Ferrocenyl Substituent. Voskobinnikov Alexander Z, Uborsky Dmitry V, Samsonov Oleg Vladimirovich, Yasin Ali N, Sarev Alexander A, Borisov Ilya S, Lambeek Nicolaas Simon, Canich Jo Ann M, Smith-kar..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- ExxonMobil Technology and Engineering has submitted a patent application for Catalyst Systems and Methods of Making and Using Same. This invention was developed by Beswick Christopher L and Bao Xiaoying.
The patent application number is CN20248021069 20240126. The patent publication number is CN120981290 (A)..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has released Hainan Aosika International Grain and Oil Co Ltd patent application for Soybean Oil Pressing and Refining Integrated Equipment. This invention was developed by Jiao Shanhai, Han Yukun, Huang Yongle, Lan Qingning and Li Shouzhuang.
The patent applicat..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Hangzhou Jingwang Tech Co Ltd has submitted a patent application for Desulfurization Equipment for Hydrogen Production from Natural Gas. This invention was developed by Ling Jianhong, Wu Wenbo, Wu Wangliu and Jin Huanbo.
The patent application number is CN202511485385 20251017. The patent publication numbe..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- PetroChina has submitted a patent application for Oil Field Emptying Gas Recovery Device. This invention was developed by Yan Yunde, Yang Lin, Hu Yusheng, Liao Faming, Deng Mingjian, Lu Jingwei, Tian Peng, Ma Hailong, Li Xiang, Su Peng, Gu Jiamo, Wang Sicheng and Huai Jianhua.
The patent application number i..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Shaanxi Yanchang Petroleum Group and The Northwest Res Institute Of Chemical Industry Co Ltd have applied Chinese patent for Device and Method for Continuously Removing Fly Ash by Dry Method. Liu Dan, Wang Pengwei, Lv Junjun, Lan Weiwei, Zhang Junxing and Liu Qiaoxia developed it.
The patent application nu..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Hangzhou Hydrocarbon Tech Research Co Ltd has submitted a patent application for Combined Gasification System. This invention was developed by Jiang Zhongshan, Li Dapeng, Yao Xiaohong, Liu Baozhong, Li Hai, Xu Xinchang, Wang Lianghuai, Yan Bin and Yan Qi.
The patent application number is CN202511299576 202..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- CNOOC Energy Technology & Services has filed a patent application for Self-heat-generation Viscosity-reduction Foaming Complexing Agent for Offshore Oilfield Thickened Oil Development and Preparation Method of Self-heat-generation Viscosity-reduction Foaming Complexing Agent. This invention was developed by S..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has released CNOOC Energy Technology & Services patent application for Temperature-resistant Salt-resistant Viscosity-reducing Oil-washing Plugging Agent for Offshore Oilfield Heavy Oil Thermal Recovery and Preparation Method of Temperature-resistant Salt-resistant ..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- CNOOC Energy Technology & Services has filed a patent application for Self-heat-generation Viscosity-reduction Complexing Agent for Offshore Oilfield Thickened Oil Development and Preparation Method of Self-heat-generation Viscosity-reduction Complexing Agent. This invention was developed by Sun Jun, Sun Yanp..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Southwest Petroleum University has sought patent for Chitosan-quaternary Ammonium Salt Modified Composite Shale Inhibitor and Preparation Method Thereof. This invention was developed by Liao Kexi, Liu Chang, Bai Yang, Luo Pingya, Wang Cheng, Wang Shuai and Zhang Xin.
The patent application number is CN2025..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has released China University of Petroleum, East China patent application for Foam Concrete Conveying Pipeline Cleaning Device. This invention was developed by Luo Hui, Li Chunbao, Wu Wenbei, Fu Zihan, Zheng Tianqi and Huang Huihuang.
The patent application number ..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- PetroChina has submitted a patent application for Corrosion Inhibitor for Oxygen Reduction Air Flooding and Preparation Method Thereof. This invention was developed by Zhou Daiyu, Li Yang, Yan Gengping, Zhang Liang, Fan Jin, Fu Ying, Han Tao, Cheng Ronghong, Wu Mimi and Wu Cangyuan.
The patent application nu..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Shandong Jurun Construction Co Ltd has submitted a patent application for Reservoir Dam Monitoring and Early Warning Device. Chen Shuwei, Liu Enzi and Zhao Xu developed the invention.
The patent application number is CN202511231334 20250831. The patent publication number is CN120991177 (A). International P..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has released PetroChina patent application for Piston Type Micro-gap Valve Structure. This invention was developed by Wei Yan, Huang Min and Zhou Fang.
The patent application number is CN202410624894 20240520. The patent publication number is CN120991083 (A). Inter..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Shanghai Pucui Biological Tech Co Ltd has submitted a patent application for Porous Hydrogen Storage Material with Hydrogen Slow Release Function and Hydrogen Core Preparation Process Thereof. Yu Yi and Wu Jianming developed the invention.
The patent application number is CN202511155724 20250818. The paten..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Hubei Electric Power Planning and Design Instument has sought patent for Buoyancy Type Automatic Drainage and Oil Blocking Structure, Accident Oil Pool and Mounting and Dismounting Method. This invention was developed by Pan Yao, Zhang Jian, Liu Fa, Wang Huafang, Li Changyao, Li Tao, Yao Bin, Zhang Qing, Liu ..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Sinohydro Bureau 7 has submitted a patent application for Construction Method for Reinforcing Wellhead of Vertical Shaft. Liu Zhengeng, Zhao Wei, Huang Kai, Gao Xin, Wang Qiang, Guo Xiao, Duan Bo, Zhang Song, Wen Youcai, Chen Chien-hua, Fu Zhiqiang, Ma Tian, Yang Xiaoshuang, Li Kai, Wang Shengju and Li Lin de..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Yanchang Oil Field has filed a patent application for Air Pressure Simulation Experiment Device for Horizontal Well Cementation. This invention was developed by Lan Xiaolong, Zhang Qian, Wu Ruoning, Bao Heng, Wang Yaxiong, Zhou Juan and Zhang Hailong.
The patent application number is CN202511166421 2025082..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Huizhou Haiyao Energy Tech Co Ltd has submitted a patent application for Oil and Gas Well Real-time Acquisition Device and Acquisition Method. This invention was developed by Wang Shan.
The patent application number is CN202511407084 20250929. The patent publication number is CN120990572 (A). International..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- PetroChina has applied Chinese patent for Flow Remeasurement Process Suitable for Wave Code Communication Separate Injection and Operation Method. Li Zhengtian, Ji Zhenning, Ju Yafeng, Yu Jiuzheng, Wang Shouhu, Wang Erzhen, Liu Yanqing, Bi Fuwei, He Ruxian and Shen Xiaoli developed it.
The patent application..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Shengli Oilfield Shisen Petrochemical Co Ltd has submitted a patent application for Degradable Fiber Filling Device for Oil Field Fracturing. This invention was developed by Chen Qian, Shi Yanan, Niu Yongchun, Hu Xiaohui and Li Yanming.
The patent application number is CN20251180814 20250804. The patent pu..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has released Daqing Chenping Energy Tech Co Ltd patent application for Downhole Cavitation Equipment and Downhole Cavitation Jet Flow Yield and Injection Increasing Technology. This invention was developed by Li Yuchen and Li Feng.
The patent application number i..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Huaneng Qingyang Coal and Electricity and Huaneng Clean Energy Res Institute have applied Chinese patent for Cooperative Regulation and Control Method and Device for Carbon Dioxide Sequestration and Residual Methane Displacement. Yin Long, Zhao Wentao, Liu Zhiwen, Jing Tieya, Li Yichao, Zhang Jian, Ge Lungui ..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- China University of Petroleum, Beijing has submitted a patent application for Equipment Control Method, Device and Equipment of Beam-pumping Unit and Medium. Zeng Qian, Liu Yuetian, Xue Liang and Song Yang developed the invention.
The patent application number is CN202511375295 20250924. The patent publicati..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Zhongman Petroleum Equipment Manufacturing has submitted a patent application for Top-drive Horizontal Pushing Mechanism. Dong Shengzheng, Liu Xue, Jiang Yi, Zhu Jiyong, Zhao Wei, Yang Ping and Wang Duofu developed the invention.
The patent application number is CN202511471621 20251015. The patent publicat..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has released PetroChina patent application for Selective Hydrogenation Catalyst and Preparation Method Thereof. This invention was developed by Hu Xiaoli, Yang Hongqiang, Duan Hongchang, Zhang Xiaoqi, Li Ruoyu, Hao Zhao, Dong Wanjun, Ma Haowen, Sun Limin and Zhan Xu..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- China University of Petroleum, East China has submitted a patent application for Three-dimensional Ordered Macroporous Manganese-based Catalyst as Well as Preparation Method and Application Thereof. This invention was developed by Jiang Ye, Kong Fanchen, Song Jiayao, Sun Xin, Zhang Guomeng and Cheng Siyuan.
..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- PetroChina has submitted a patent application for Carbon Dioxide Bubble Making Equipment. This invention was developed by Wu Cangyuan, Zhou Daiyu, Shao Guangqiang, Yan Gengping, Xu Yongqiang, Huang Lan, Zhang Liang, Lian Zhanggui and Luo Min.
The patent application number is CN202410633601 20240521. The pate..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has released Huating Coal Group patent application for Online Inactivation System for Inlet Filter of Carrier Gas Compressor. This invention was developed by Shen Youqiang, Liu Hongwei, Wang Xingsheng, Zhao Bin, He Honggang, Chen Xupeng, Liu Mengyao, Qiu Pengpeng, Z..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has released Shaanxi Yanchang Petroleum Group and The Northwest Res Institute Of Chemical Industry Co Ltd patent application for Catalytic Ozonation Treatment Process for High-concentration-salt Degradation-resistant Sewage in Coal Chemical Industry. This invention ..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Jingneng Xilingol Energy Co Ltd has submitted a patent application for Water Source Circulation Treatment and Utilization Device for Producing Hydrogen Based on Demineralized Water. This invention was developed by Hu Jihong, Feng Shengbin, He Bo, Xiu Lijie, Li Yongfu, Miao Jie and Song Zhiqian.
The patent ..
Oil & Gas
| Tue 31 Mar 2026
Beijing, April 1 -- Sichuan University has submitted a patent application for Hydrogen-powered Decoupling Type Carbon Dioxide Electrochemical Reduction System and Method. Lan Cheng, Liu Tao, Xu Yitao, Li Mengxin, Yang Yiting, Wu Yifan, Jiang Wenchuan, Zhao Zhiyu and Xie Heping developed the invention.
The patent application n..
Oil & Gas
| Tue 31 Mar 2026
Beijing, April 1 -- China Datang Group Tech Innovation Co Ltd has submitted a patent application for Alkaline Water Electrolysis Hydrogen Production System. Yang Wenbo, Zhang Meng, Duan Qiwei, Feng Shaoguang, Nan Xiong, Liu Haiyang, Wang Wei, Cheng Xuewen, Zhang Hongbo, Liu Yan, Cong Cong and Kageyo developed the invention.
T..
Oil & Gas
| Tue 31 Mar 2026
Beijing, April 1 -- State Intellectual Property Office of China has received Offshore Oil Engineering patent application for Anchor System Switching Mechanism Capable of Automatically Overturning and Resetting. Song Xiaoxiu, Li Xuenan, Zhang Le, Qiu Wei, Xue Lianjie, Huang Long, Zhang Shouming, Liu Haitian, Chen Kaichao and Ma D..
Oil & Gas
| Tue 31 Mar 2026
Beijing, April 1 -- State Intellectual Property Office of China has released Shanghai Investigation Design & Research Institute and Hainan Shenneng New Energy Co Ltd patent application for Easily-released Floating Type Offshore Hydrogen-based Energy Production Platform and Working Method Thereof. This invention was developed by ..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- PetroChina has filed a patent application for Device for Trapping Carbon Ccus by Adopting Membrane Separation and Use Method. This invention was developed by Wu Cangyuan, Tang Yongliang, Shao Guangqiang, Du Hongbao, Zhang Liang, Wu Mimi, Li Jun, Luo Min, Fan Jin and Zhou Wei.
The patent application number is..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Zhejiang Ocean University has applied Chinese patent for Preparation Method of Eutectic Solvent for Absorbing Carbon Dioxide and Eutectic Solvent. Zhao Yan, Wang Yutong, Chen Dongzhi, Chen Donghao and Wei Junbao developed it.
The patent application number is CN202511522872 20251023. The patent publication ..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Nanjing Lutong Electric Power Equipment has submitted a patent application for Automatic Recovery Device for Sulfur Hexafluoride Gas. This invention was developed by Zhou Xin, Lyu Beining, Zou Pengfei and Min Xiaobing.
The patent application number is CN202510938573 20250708. The patent publication number ..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has published Jiangsu Aodong High New Material Technology patent application for High-precision Microporous Membrane Filtering Equipment with Gradient Aperture Structure. The invention was developed by Xu Jun, Xing Ling and He Zhijun.
The patent application numbe..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has received Xizi Clean Energy Equipment Manufacturing patent application for Reboiler Suitable for Carbon Dioxide Trapping Technology. Liu Keliang, Yu Miao, Xu Yanjie and Hu Hao developed the invention.
The patent application number is CN20251148611 20250729. Th..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Henan Polytechnic University has filed a patent application for Superfine Powder Explosion Suppressant for Targeted Inhibition of Unsaturated Hydrocarbon Explosion as Well as Preparation Method and Application of Superfine Powder Explosion Suppressant. This invention was developed by Ji Wentao, Zhao Ming, Wan..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Chaohu University has submitted a patent application for Soil Carbon Dioxide Gas Collecting Device. Ma Hui, Mao Leiming, Xu Jian and Chang Hongxia developed the invention.
The patent application number is CN202511317283 20250916. The patent publication number is CN120992271 (A). International Patent Classi..
Oil & Gas
| Tue 31 Mar 2026
Beijing, April 1 -- State Intellectual Property Office of China has released China National Petroleum, Beijing Petroleum Machinery and CNPC Kunlun Mfg Company Limited patent application for Method for Improving Temperature Resistance and Wear Resistance of Cardan Shaft of Screw Drill. This invention was developed by Wang Xingkun..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- China Petroleum & Chemical and Sinopec Petroleum Exploration & Prod Res Inst have filed a patent application for Preparation Method of Compact Stripe Stratified Rock Sample and Analysis Method and System of Fracturing Process. This invention was developed by Zhou Tong, Zeng Hao, Li Fengxia, Wang Haibo, Huang ..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- China Petroleum & Chemical and Sinopec Shengli Oilfield have submitted a patent application for Weakly Acidic Multifunctional Fracturing Fluid for Ash-rich Shale Formation and Preparation Method of Weakly Acidic Multifunctional Fracturing Fluid. This invention was developed by Qian Qin, Zhong Anhai, Lu Mingji..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- China Petroleum & Chemical and SINOPEC Hunan Petrochemical have applied Chinese patent for Radial Semi-steel Tire Tread Rubber and Preparation Method Thereof. Guo Ling, Chen Mingde, Li Wangming, Yao Qiong and Zhang Jianguo developed it.
The patent application number is CN202410623107 20240520. The patent p..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- China Petroleum & Chemical and SINOPEC Hunan Petrochemical have submitted a patent application for Tire Sidewall Composite Rubber and Preparation Method Thereof. This invention was developed by Guo Ling, Yao Qiong, Li Wangming and Zhang Jianguo.
The patent application number is CN202410623149 20240520. The..
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