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Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Shandong Yuanzhuo Petroleum Tech Co Ltd has obtained a patent for thermal spraying base tube straightening device. This invention was developed by Jiao Haiting, Liu Jieling and Zang Xin.
The patent application number is CN202422361544U 20240927. The patent publication number is CN223128984 (U). Internation..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Kunlun Shuzhi Tech Co Ltd and China National Petroleum have sought patent for Resource File Storage Method Based on Fastdfs Technology Lateral Extension Storage and Related Method. This invention was developed by Fan Qiang, Zhou Meng, Li Chong, Zhang Jianbo, Yuan Chaogui and Chen Lian.
The patent applicati..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China Railway 18 Bureau Group Second Eng Co Ltd and Southwest Petroleum University have applied Chinese patent for Method and Device for Detecting Gas in Small-section Tunnel Excavated by Single-cantilever Heading Machine. Zhang Xiangbing, Su Peidong, Chu Xiaojin, Luo Yi, Li Yougui, Qiu Peng, Xu Yang and Lu X..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Shanghai Baiyin Tech Co Ltd has applied Chinese patent for Natural Gas Leakage Monitoring Device for Offshore Oil Production Platform. Shen Zehong and Wang Haoyu developed it.
The patent application number is CN202510231542 20250228. The patent publication number is CN119983154 (A). International Patent Cl..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- State Intellectual Property Office of China has released Dalian Special Gases Co Ltd and Dalian Special Gas Baotou Co Ltd patent application for Phase Change Gas Preparation Device and Method. This invention was developed by Li Yang, Li Xinran, Sun Jie, Xin Ling and You Hongxin.
The patent application numb..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Hubei Aowei Ind Co Ltd has applied Chinese patent for Air Tightness Monitoring and Intelligent Pressure Regulating Device for Bottled Liquefied Petroleum Gas. Yang Erdong and Jin Zhao developed it.
The patent application number is CN202510366782 20250326. The patent publication number is CN119983136 (A). I..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Changqing Eng Design Co Ltd and China National Petroleum have filed a patent application for Pipeline High-consequence Area Grade Identification Method. This invention was developed by Jin Jiwei, He Jun, Li Xiaofei, Li Xiangting, Wang Zhijun, Hou Dayong, Jia Peng, Wen Xiaoyong, Wu Jun, Luo Dongshan, Wang Yan,..
Oil & Gas
| Thu 11 Dec 2025
Beijing, Dec. 12 -- State Intellectual Property Office of China has published Jiangsu Design and Research Institute of Geology and Mineral Resources Detection Center of China National; Sinochem Jiangsu Geology And Mineral Resources Design And Res Institute Co Ltd patent application for Dynamic Prediction Method for Permeation Co..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- State Intellectual Property Office of China has released National Petroleum Pipeline Network Group and China Pipe Network Group (Beijing) Pipeline patent application for Fault Feature Extraction Method and Device of Reciprocating Compressor, Equipment and Medium. This invention was developed by Pan Biao, Xue ..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China National Petroleum, BGP Inc China Nat Pet Corp, Petrochina Oil and Gas Exploratory Software State Engineering Res Center Co Ltd have applied Chinese patent for Plug-in Version Storage Method and Device, Plug-in Version Reading Method and Device, Equipment and Storage Medium. Wang Changhong and Yang Jiyu..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- State Intellectual Property Office of China has released China National Petroleum and China Petroleum Logging Co Ltd patent application for Method and System for Calculating Effective Hole of Subdivided Lithologic Variation T2 Cut-off Value, and Electronic Equipment. This invention was developed by Shao Guang..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China Oilfield Services and China Nat Offshore Oil Corp have submitted a patent application for Seismic Data Segmentation and Extraction Method and Device. Wang Wei, Yuan Quanshe, Wang Zheng, Xu Ziqiang, Ouyang Min, Zhang Jianfeng and Xu Lei developed the invention.
The patent application number is CN20251..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China Nat Offshore Oil Corp and Beijing Res Center CNOOC China Co Ltd have submitted a patent application for Seismic Frequency Expanding Method, System and Equipment for Seismic Frequency Division and Inverse Q Filtering and Medium. This invention was developed by Song Shuang, Zhang Gongcheng, Zeng Qingbo, L..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China National Petroleum and BGP Inc China Nat Pet Corp have applied Chinese patent for Method and Device for Determining Scanning Matrix. Luo Fei, Liu Hao and Zhu Yang developed it.
The patent application number is CN202311501991 20231110. The patent publication number is CN119986778 (A). International Pa..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China National Petroleum and BGP Inc China Nat Pet Corp have applied Chinese patent for Method and Device for Geophysical Prospecting Measurement Navigation and Positioning in Region Without RTK (real-time Kinematic) Signal. Chai Junbing, Zhang Yongjun, Yin Xuetao, He Hu, Han Shanfeng and Shi Kuanglin develop..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- National Petroleum Pipeline Network Group and State Petroleum Pipeline Network Group of Science and Technology Research Institute Branch have applied Chinese patent for Corrosion Area Identification Method and Device and Storage Medium. Lan Wei, Zhu Ziyang, Cong Chang, Wang Fuxiang, Bo Xiangkun, Bi Wuxi, Xu C..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- State Intellectual Property Office of China has released China National Petroleum and Cnpc Engineering Tech R & D Co Ltd patent application for Visual Evaluation Device and Method for Performance of Plugging Agent. This invention was developed by Long Yifu, Wang Ren, Cheng Rongchao, Sun Jinsheng, Wang Cheng, ..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- State Intellectual Property Office of China has released Sanya Ocean Oil And Gas Research Institute Northeast Petroleum Univ patent application for Pressure-braising-seepage-drainage Integrated Experimental Device and Method for Shale Reservoir Under Actual Temperature and Pressure Conditions. This invention ..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China Nat Offshore Oil Corp and Beijing Res Center CNOOC China Co Ltd have submitted a patent application for Model Test Device and Method for Simulating TLP Shared Anchor Penetration and Loading. This invention was developed by Li Da, Li Shuzhao, Zhang Hui, Sun Guodong, Yi Cong, Li Liangkun, Shen Chen, Chen ..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- CNPC National Oil Gas Drilling Equipment Engineering Tech Research Center Co Ltd, Baoji Oilfield Machinery and China National Petroleum have filed a patent application for Marine Riser Auxiliary Pipe Joint Bending Fatigue and Sealing Test Device and Test Method. This invention was developed by Ye Rui, Hou Xia..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- CNPC National Oil Gas Drilling Equipment Engineering Tech Research Center Co Ltd, Baoji Oilfield Machinery and China National Petroleum have filed a patent application for Early Warning Device and Early Warning Method for Service Life of Power Catwalk Steel Wire Rope. This invention was developed by Kong Yong..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China National Petroleum and Res Institute Safety & Env Tech Co Ltd China Nat Petroleum Corp have filed a patent application for Hydrogen-doped Natural Gas Conveying Pipeline Failure Simulation System and Related Simulation Method. This invention was developed by Sun Bingcai, Yang Yunpeng, Wang Yajie, Li Moso..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- State Intellectual Property Office of China has released Tianjin Derui Chemical Tech Co Ltd patent application for High-efficiency Super-large-flux Impact-resistant Three-dimensional Gas-liquid Mass and Heat Transfer Element. This invention was developed by Sui Hongwei, Zhang Shunhai, Luan Yongchao and Sui Ji..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- State Intellectual Property Office of China has released Min Xiaohua patent application for Multi-heat-storage Natural Gas Crucible Furnace. This invention was developed by Min Xiaohua.
The patent application number is CN20251090032 20250121. The patent publication number is CN119983795 (A). International ..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China National Petroleum, Gem Pipe Co Ltd of China Nat Petroleum Corporation and Xinjiang Baoguan Petroleum Pipe Ind Co Ltd have filed a patent application for Solar Heat Storage and Heating Integrated System and Use Method. This invention was developed by Li Bin, Wang Zongxin, Cao Guangxu, Gao Pingping, Lu W..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Snubco Petroleum Tech Services Co Ltd has applied Chinese patent for Turntable Based on Under-pressure Operation Machine. Peng Jian, Zeng Hongjun, Chu Hai, Yang Rongjiang and Liu Ruihai developed it.
The patent application number is CN202510465915 20250415. The patent publication number is CN119982880 (A)...
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Wuhan Times Geosmart Tech Co Ltd has applied Chinese patent for Downhole Condition Judgment Method Based on Drilling Fluid Performance Change. Zhu Maoxun, Yu Benzhi, Xiong Cong and Xu Juncai developed it.
The patent application number is CN202510184604 20250219. The patent publication number is CN119981875..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- State Intellectual Property Office of China has published Yangtze University and Zhonghai Tianjin Energy Tech Co Ltd patent application for Oil Exploration Method Adopting Intelligent Oil Exploration Robot System. The invention was developed by Zhu Guangyou and Nan Shan.
The patent application number is CN..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China National Petroleum and CNPC Greatwall Drilling have sought patent for Digital Mining and Transmitting System for Drilling and Completion Engineering. This invention was developed by Sun Liwei, Xia Boyi, Guo Xiucheng, Li Xingcai, Zhou Chao, Wang Lei, Duan Jianming, Leng Fengcheng, Li Yongzhao, Zhong Jian..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- State Intellectual Property Office of China has released Jiangsu Dingzhixu New Energy Co Ltd patent application for Oil Exploitation Equipment. This invention was developed by An Jian.
The patent application number is CN202510162674 20250214. The patent publication number is CN119981831 (A). International ..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Jianhu County Hongda Valve & Pipe Fitting Co Ltd has filed a patent application for System for Recovering Vented Natural Gas of Drainage and Production Oil-gas Well. This invention was developed by Wu Qichun.
The patent application number is CN202510158573 20250213. The patent publication number is CN11998..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Chengdu Xinboao Oil and Gas Engineering Tech Service Co Ltd has applied Chinese patent for Foam Drainage Gas Recovery Underground Automatic Dosing Device. Pan Liping and Zheng Chaojian developed it.
The patent application number is CN202510286158 20250312. The patent publication number is CN119981814 (A). ..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Shandong Fangke Petroleum Tech Co Ltd has applied Chinese patent for Pressurizing Water Injection Device for Oil Field. Zhang Ru, Li Mingpeng, Li Lulu, Ju Xiaogang, Yan Zhanghua and Ba Guangdong developed it.
The patent application number is CN202510449424 20250411. The patent publication number is CN11998..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- State Intellectual Property Office of China has received Hangzhou Daquan Pumps Tech Co Ltd patent application for Auxiliary Oil Extraction Device. Zhang Zhengming, Li Wenbin, Zhang Chang, Zhan Caibin, Wang Qibin, Chai Qingwu, He-lian Zijian, Yu Weihong, Wang Zujun and Chen Liujun developed the invention.
T..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- State Intellectual Property Office of China has published Liaohe Petroleum Explor Bureau Co Ltd and China National Petroleum patent application for Multifunctional Intelligent Switching Device for Oil-water Well Pipe Column. The invention was developed by Li Xinhai, Liu Junchen, Wang Ning, Zhao Hui, Zhang Xu,..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- State Intellectual Property Office of China has published China National Petroleum, Beijing Petroleum Machinery and Cnpc Kunlun Mfg Company Limited patent application for Bridge Plug, Classification Method and Performance Detection Method. The invention was developed by Zhang Yong, Mi Kaifu, Chen Shengshen, Z..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- State Intellectual Property Office of China has released Can Oilfield Equipment Tech Co Ltd patent application for Packing Type Grading Cementing Device. This invention was developed by Zhu Jie, Ma Jingjing, Ren Yaoxu, Mao Zhen and Liu Guowei.
The patent application number is CN202510457451 20250414. The p..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- State Intellectual Property Office of China has released Tianjin Tongying Petroleum Tech Development Co Ltd patent application for Ultra-high-temperature and Ultra-high-pressure Gas Seal Well Completion Packer. This invention was developed by Liu Qiao, Zhang Chunlian, Wang Lifei, Zhao Qian, Shen Hongyan, He T..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Daqing Aoyang Petroleum Tech Development Co Ltd has applied Chinese patent for Packer Capable of Increasing Residual Oil Quantity. Shang Pengyu developed it.
The patent application number is CN202510435927 20250409. The patent publication number is CN119981762 (A). International Patent Classification codes..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China National Petroleum and CNPC Greatwall Drilling have applied Chinese patent for Micro-lifting Self-locking Integrated Water Jacking Anti-channeling Tool, Tool String, System and Application. Ye Xi'an, Gao Qingchun, Zhang Tieming, Sun Shaoliang, Chen Xinyou, Huang Shengsong, Luo Huan, Luo Hua, Ma Yong, Li..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China National Petroleum, CNPC Engineering Tech R & D Co Ltd, CNPC Jianghan Machinery Res Institute Co Ltd and China University of Petroleum, East China have applied Chinese patent for Coiled Tubing Roller Tube Arrangement State Identification Method, System, Medium and Equipment. Gu Wenyu, Zhang Fuqiang, Dua..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Qianjiang Tuobo Petroleum Machinery Equipment Co Ltd has secured a patent on Leakage-proof Screen Equipment Convenient to Install. Yuan Zicai developed the invention.
The patent application number is CN202422155092U 20240903. The patent publication number is CN223128614 (U). International Patent Classifica..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- State Intellectual Property Office of China has awarded a patent to Karamay Zhongshida United Oil And Gas Science And Tech Research Institute Co Ltd for Simulation Experiment Device for Confining Pressure Test of Oil and Gas Well. Zhang Junke, Ge Jufang, Yu Qinbo, Ge Xiao, Li Xia and Wu Shizhao developed the ..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China Nat Offshore Oil Corp, Beijing Res Center CNOOC China Co Ltd and Beijing Great Sim Tech Co Ltd have applied Chinese patent for Underwater Control System Simulation Method, System, Equipment and Medium. Yin Hanjun, An Weizheng, Wu Lu, Ma Qiang, Zhang Yan, Lu Jing, Ge Fei, Wang Songfeng, Feng Miaotao and ..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Qianjiang Lianrui Petroleum Machinery Co Ltd has applied Chinese patent for Sealing Energy-saving Slurry Pump for Well Drilling. Zuo Zhibin, Luo Yan, Ma Tao, Liao Gongyi and Zhu Shuai developed it.
The patent application number is CN202510405834 20250402. The patent publication number is CN119982564 (A). I..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China Petroleum & Chemical and Petro Cyberworks Inf Tech Co Ltd have sought patent for Behavior Intention Self-distinguishing Method, System and Equipment Applied to Code Generation Large Model and Storage Medium. This invention was developed by Bian Luojia, Jiang Xiao, Suo Hansheng, Wang Tao and Li Yongfeng...
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China Petroleum & Chemical, Sinopec Oilfield Service and Sinopec Petroleum Engineering & Construction Shengli have sought patent for Crawler-type Multifunctional Platform Remote Control Driving Control Method, Device and System. This invention was developed by Zhao Weijun, Miao Sheng, Guo Chunrong, Fan Wei, L..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Sinopec Oilfield Service, Sinopec Petroleum Engineering Geophysics Co Ltd and North China Branch of Sinopec Petroleum Eng Geophysics Co Ltd have filed a patent application for Coal Bed Gas Gas Content Prediction Method Based on Cloud Transformation. This invention was developed by Cheng Sha, Wan Yingming, Wan..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China Petroleum & Chemical, Sinopec Oilfield Service, Sinopec Jingwei Co Ltd and Geological Measurement and Control Tech Research Institute Of Sinopec Jingwei Co Ltd have submitted a patent application for Multi-pole Sound Source Acoustic Logging Broadband Excitation Method, Device, Equipment and Medium. This..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Daqing Oilfield and PetroChina have submitted a patent application for Amplitude Preservation Processing Method for Earthquake Thin-layer Weak Reflection Signals. Li Hui, Dong Jinghai, Li Na, Liu Jinye and Ding Sheng developed the invention.
The patent application number is CN202311491717 20231109. The pat..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China Petroleum & Chemical and Sinopec Northwest Oil Field Co have submitted a patent application for Method for Analyzing Formation Conditions of High-pressure Brine Layer. This invention was developed by Wang Long, Wang Juhe, Chen Xiuping, Yu Yang, Liu Jingtao and Han Zhengbo.
The patent application numb..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China Petroleum & Chemical and East China Oil & Gas Branch China Petroleum & Chemical have submitted a patent application for Joint Q Value Modeling Method Based on Surface Data and Seismic Reflected Waves. Gong Yi, Meng Qingli, Xue Gang, Lan Jiada and Wu Youxiao developed the invention.
The patent applica..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Sinopec Group and Sinopec Shengli Petroleum Administration have submitted a patent application for Distribution Line Fault Detecting and Positioning Device and Searching Method. This invention was developed by Ma Guangjun, Jing Feng, Guan Bin, Chen Huadong, Li Huawei, Yang Shaozhe, Song Zhenwei, Du Yuantao, L..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China Petroleum & Chemical and Sinopec Shengli Oilfield have applied Chinese patent for Method for Detecting and Evaluating Balance Degree of Downstream Beam-type Pumping Unit in Variable-frequency Operation Mode. Yang Xuejun, Song Yingxin, Wang Zhigang, Yang Longjiang, Yang Chenhao, Zhao Hongfeng and Wang Zh..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China Petroleum & Chemical and Explor Branch China Petroleum & Chemical Corporation have applied Chinese patent for Shale Supercritical Co2 Fracturing Experiment Method and System. Li Wenjin, Jiang Erliang, Wang Yongjun, Xiong Xiaofei, Dai Junqing, Li Fengxia, Duan Hua and Fan Xin developed it.
The patent ..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China Petroleum & Chemical and Sinopec Research Institute Safety Engineering Co Ltd have filed a patent application for Corrosion Probe. This invention was developed by Shan Guangbin, Qiu Feng, Zhu Linqi, Shen Zhiyuan, Liu Yuanshuang, Zhang Weiya, Chen Mindong, Han Lei, Chen Wenwu and Qu Dingrong.
The pate..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China Petroleum & Chemical and Sinopec Research Institute Safety Engineering Co Ltd have submitted a patent application for Corrosion Monitoring and Early Warning Method. This invention was developed by Shan Guangbin, Qiu Feng, Zhu Linqi, Shen Zhiyuan, Liu Yuanshuang, Zhang Weiya, Chen Mindong, Han Lei, Chen ..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China University of Petroleum, Beijing and Karamay Jinxin Tech Co Ltd have submitted a patent application for Method and Equipment for Identifying Catalyst Crushing Fault Source in Catalytic Cracking Device. This invention was developed by Liu Shun, Peng Wei, Fang Qinzhu, Sun Yongping and Liu Mengxi.
The p..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China Petroleum & Chemical and Sinopec Chongqing Chuanwei Chemical Co Ltd have filed a patent application for Desulfurizing Absorption Tower Slurry Density Measuring System. This invention was developed by Luo Xin, Xia Qilin and Zhang Chuan.
The patent application number is CN202311491976 20231110. The pat..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China Petroleum & Chemical and Explor Branch China Petroleum & Chemical Corporation have submitted a patent application for Shale Gas Dessert Layer Evaluation Method, Electronic Equipment and Medium. This invention was developed by Wei Zhihong, Wei Xiangfeng, Wei Quanchao, Liu Zhujiang, Hao Jingyu, Wang Qiang..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China Petroleum & Chemical and Sinopec Petroleum Engineering Tech Research Institute Co Ltd have submitted a patent application for Stress Loading System and Method for True Triaxial Fracturing Physical Model Test Device. Wang Xiaoyang, Li Shuangming, Zhou Jun, Xu Guoqing and Liu Xing developed the invention...
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China Petroleum & Chemical and Sinopec Sales Co Ltd have submitted a patent application for Valve Inner Leakage Monitoring and Positioning Method. This invention was developed by Li Yanan, Tang Shunwu, Wu Shengping, Lin Haitao and Li Feixiao.
The patent application number is CN20251072732 20250117. The pat..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- SINOPEC Guangzhou Engineering and SINOPEC Engineering (Group) have submitted a patent application for Anti-impact Device for Shell Pass Inlet of Coiled Tube Heat Exchanger. Chen Shaoqing, Hu Qingjun, Zhao Lu, Yu Qiunan and Lin Zhihao developed the invention.
The patent application number is CN202510272772 ..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China Petroleum & Chemical and Sinopec Shengli Oilfield have submitted a patent application for Method for Utilizing Heat Energy of Brake Resistor of Frequency Conversion Cabinet of Beam-pumping Unit. Yang Xuejun, Xu Lei, Wang Zhigang, Yang Longjiang, Yang Chenhao, Zhao Hongfeng and Wang Zhiqiang developed th..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Sinopec Oilfield Service and Hunan Drilling Branch Sinopec Southwest Petroleum Eng Co Ltd have submitted a patent application for Balance Control Device for Buffer Oil Cylinder of Derrick. This invention was developed by Zhang Zhijun, Liu Wenhui, Zhang An, Hu Zhaofeng, Ma Qianjin, Wang Fengchun, Zhang Liqun, ..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China Petroleum & Chemical, Sinopec Shengli Oilfield and Sinopec Oilfield Equipment have submitted a patent application for Automatic Control Method for Supercritical Co2 Compressor. This invention was developed by Cong Yan, Shang Qingjun, Hou Xiaobing, Duan Zhijie, Liu Hexin, Lu Hui, Cong Feng, Hou Yupu, Li ..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Yanhai Energy Tech Shanghai Co Ltd and Sinopec Offshore Oil Eng Co Ltd have submitted a patent application for Ocean Floating Platform Wave Energy Power Generation System and Working Method Thereof. Ren Xiangang, Zhang Xing and Du Jiadong developed the invention.
The patent application number is CN20251025..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China Petroleum & Chemical, Sinopec Oilfield Service, Sinopec Jingwei Co Ltd and Geological Measurement and Control Tech Research Institute Of Sinopec Jingwei Co Ltd have submitted a patent application for While-drilling Azimuth Density Clearance Correction Method and Device, Equipment and Storage Medium. Thi..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 --Sinopec Group, Sinopec Oilfield Service, Sinopec Jingwei Co Ltd and Shengli Geological Logging Company of Sinopec Jingwei Co Ltd have applied Chinese patent for Rock Debris Receiving Device. Ming Xiaofeng, Xu Aisheng, Fu Honggang, Sun Guanghui, Fan Meihong and Zhang Fa developed it.
The patent application n..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Sinopec Group, Sinopec Oilfield Service, Sinopec Jingwei Co Ltd and Geological Measurement and Control Tech Research Institute Of Sinopec Jingwei Co Ltd have sought patent for Pressure Balancing Device. This invention was developed by Kal Seung-ha, Zhang Bo, Liu Lei, Yu Yunhua, Lu Yuxiao and Hou Weidong.
T..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Sinopec Oilfield Service and Sinopec Jingwei Co Ltd have submitted a patent application for Porosity Reading Method, Device, Equipment and Medium. This invention was developed by Zhao Junfeng, Li Ning, Wang Xuanran, Liu Qun, Shen Yong and Shi Fengxiang.
The patent application number is CN202311507779 20231..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Sinopec Group, Sinopec Oilfield Service, Sinopec Jingwei Co Ltd, Geological Measurement and Control Tech Research Institute Of Sinopec Jingwei Co Ltd have filed a patent application for Formation Porosity Measuring Method and System, Logging Instrument and Medium. This invention was developed by Wu Baizhi, Ch..
Oil & Gas
| Thu 11 Dec 2025
Beijing, Dec. 12 -- China Petroleum & Chemical and China Petroleum & Chemical Corp Jiangsu Oilfield Branch have filed a patent application for Pumping Unit Transmission Flexible Connection Fault Diagnosis Method Based on Big Data and Artificial Intelligence. This invention was developed by Chen Hongcai, Ma Tao, Kong Zheng, He Yu..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China Petroleum & Chemical and Sinopec Shengli Oilfield have sought patent for Tubing Plug Capable of Being Opened Again and Application Tubular Column and Use Method Thereof. This invention was developed by Zhang Dechong, Li Wenbo, Li Xinming, Zhang Shicheng, Liu Zhiping, Liu Wei, Zhao Yuxia, Sun Jingru, Don..
Oil & Gas
| Thu 11 Dec 2025
Beijing, Dec. 12 -- China Petroleum & Chemical and Petro Cyberworks Inf Tech Co Ltd have submitted a patent application for Enterprise Data Asset Evaluation Method and System, Electronic Equipment and Storage Medium. This invention was developed by Jiang Nan, Liu Chenyu, Suo Hansheng, Chu Na, Wang Ao and Duan Zhichen.
The pat..
Oil & Gas
| Thu 11 Dec 2025
Beijing, Dec. 12 -- China Petroleum & Chemical and Explor Branch China Petroleum & Chemical Corporation have filed a patent application for Shale Toc Content Prediction Method, Electronic Equipment and Medium. This invention was developed by Wang Guoli, Li Yuping, Huang Qingqiu, Chen Chao, Wang Qingbo, Xiao Jilin, Liu Xiaojing a..
Oil & Gas
| Thu 11 Dec 2025
Beijing, Dec. 12 -- China University of Petroleum, Beijing and Chongqing Institute Geology & Mineral Resources have filed a patent application for Hydraulic Fracturing Effect Main Control Factor Analysis Method and Device Based on Causal Inference. This invention was developed by Wang Tianyu, Xu Maoya, Tian Shouceng, Li Gensheng..
Oil & Gas
| Thu 11 Dec 2025
Beijing, Dec. 12 -- Sinopec Oilfield Service and Sinopec Zhongyuan Petroleum Engineering Design have filed a patent application for LNG Storage Tank Piled Raft Foundation High-quality Grid Automatic Division Method. This invention was developed by Zhang Lei, Yin Yongming, Tang Xinghua, Chen Jinchao, Wang Liwei, Zhu Yonghui, Wei ..
Oil & Gas
| Thu 11 Dec 2025
Beijing, Dec. 12 -- Tsinghua University and Sinopec Heavy Lifting & Transp Co Ltd have filed a patent application for Foundation Settlement Calculation Method. This invention was developed by Song Erxiang, Lin Shijie, Liu Guanglei, Wan Yuxin, Xu Ming, Yang Jun, Yang Zhiqiang and Wei Wei.
The patent application number is CN202..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China Petroleum & Chemical and Explor Branch China Petroleum & Chemical Corporation have filed a patent application for Deep Shale Brittleness Evaluation Method Based on Energy Evolution, Electronic Equipment and Medium. This invention was developed by Li Zhenxiang, Ren Lan, Liu Hu, Lin Ran, Duan Hua, Jiang H..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Guangzhou Xiangfeng Lubricating Oil Co Ltd has submitted a patent application for Device for Detecting Efficacy of Lubricating Oil Repairing Agent Blending Kettle. This invention was developed by Xu Songtian.
The patent application number is CN20251087278 20250120. The patent publication number is CN119985..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China National Petroleum and CNPC Xibu Drilling Eng Co Ltd have submitted a patent application for Fine Pressure Control Well Cementation Dynamic Decision Control Method and Device. This invention was developed by Hu Ting, Dai Yong, Liao Xinwei, Yao Yanxu, Li Dehua and Nan Yadong.
The patent application nu..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China National Petroleum and CNPC Engineering Tech R&D Co Ltd have submitted a patent application for Downhole Drilling Tool Anti-collapse Tool, Anti-collapse Drilling System and Anti-collapse Drilling Method. This invention was developed by Zhou Bo, Li Bing, Yu Jing, Fang Pingliang, He Liu, Bi Wenxin, Chen W..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China Nat Offshore Oil Corp and Beijing Res Center CNOOC China Co Ltd have submitted a patent application for Method, Device and Equipment for Determining Effective Use Pressure of Multi-layer Oil Reservoir and Medium. This invention was developed by Li Xianjie, Zhang Jian, Guan Cuo, Hu Ke, Xian Ruokun, Liu Z..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China National Petroleum and CNPC Greatwall Drilling have submitted a patent application for Gas Well Medicament Discharge Aiding Well Selection Method and System. This invention was developed by Wang Tao, Li Zhuang, Sun Shaoliang, Li Jian, Wu Jie, Li Guangqian, Wang Yuan, Zhang Mingchun, Dong Jiafeng, Chen C..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Southwest Petroleum University, Zhejiang Huizuan Tech Co Ltd and Sichuan Xieming Tech Co Ltd have submitted a patent application for Rail Changing Type Fracturing Sliding Sleeve. This invention was developed by Tian Jialin, Zhu Deyu, Liu Zhiyuan, Gou Honglin, Chen Wenjie, Jiang Jintian, Mu Hongzhong, Qu Mingy..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- CNPC Bohai Drilling Engineering and China National Petroleum have submitted a patent application for CO2 True and False Display Gas Logging Identification Method, System and Equipment. This invention was developed by Sun Honghua, Song Yimin, Zhang Mingyang, Fan Wei, Zhang Wenping, Liu Yue, Liu Jianxin, Cheng ..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Dezhou United Petroleum Tech Corp has filed a patent application for Hoop Type Fast-assembly Wellhead Device and Installation Method Thereof. This invention was developed by Pang Zhiguo, He Zhenyu, Chen Juan, Zhou Xiujie, Xue Qinghua, Zhang Guichang, Pan Bingbing, Xu Shubin and Li Zhaojie.
The patent appli..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Suzhou Douson Drilling & Prod Equipment Co Ltd, Suzhou Douson Drilling & Prod Equipment Co Ltd and Chengdu Daosen Drilling and Production Equipment Co Ltd have submitted a patent application for Integrated Subsea Oil Production Wellhead Device. This invention was developed by Dong Sheng, Li Ming, Wu Bin, Zhan..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Dongguan Chuangda Metal Tech Co Ltd has filed a patent application for Wellhead Sealing Valve with Adjustable Oil Outlet Quantity. This invention was developed by Han Kunlun, Zhu Lufang and Liang Yinhua.
The patent application number is CN202510439987 20250409. The patent publication number is CN119981778 ..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Inner Mongolia Meikan New Energy Dev Co Ltd and China University of Geosciences, Wuhan have filed a patent application for Underwater Automatic Gas Production Device. This invention was developed by Yuan Wei, He Yunlong, Yao Haipeng, Zhong Siyu, Li Jing, Li Heng, Lin Haitao and Li Ling.
The patent applicat..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- State Intellectual Property Office of China has received Karamay Siwei Petroleum Tech Co Ltd and Karamay Jiuji Kaisheng Petroleum Tech Service Co Ltd patent application for Electric Heating and Monitoring Oil Extraction Device Suitable for Slim Hole. Tong Guozhang, Yang Yang, Peng Ning, Pan Yong, Wang Guannan..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- National Petroleum Pipeline Network Group and China Pipe Network Group (Beijing) Pipeline have submitted a patent application for Compressor Unit of Compressor Station, Control Method of Compressor Unit, Medium and Program Product. This invention was developed by Hu Hanwen, Wang Zhiyong, Zhou Yongtao, Zheng H..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China National Petroleum and China Huanqiu Contracting & Engineering have submitted a patent application for Bog Return Gas Treatment Device and Method and LNG Receiving Station. Jia Baoyin, Tang Ming, Guo Wei, Yu Beilei, Lyu Yongjun, Xu Yang, Yan Congzhi, Hou Shiqiang, Xing Le, Zhang Jing and Xu Kun develope..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 12 -- China National Petroleum and BGP Inc China Nat Pet Corp have submitted a patent application for Automatic Planning Method and Device for Walking Route of Land Vibroseis. Hu Suping, Yi Changhua, Wu Shaoyu, Qiao Yongjie, Chen Chuangeng and Zhao Bochen developed the invention.
The patent application number is..
Oil & Gas
| Thu 11 Dec 2025
Beijing, Dec. 12 -- State Intellectual Property Office of China has published PetroChina patent application for Method and Device for Realizing Product Flow Analysis, Computer Storage Medium and Terminal. The invention was developed by Mao Xiaoyang, Wei Zhiwei, Chang Jiawen, Yang Xinyi, Dong Fenglian, Sun Liang and Yin Jiming.
..
Oil & Gas
| Thu 11 Dec 2025
Beijing, Dec. 12 -- China University of Petroleum, Beijing has sought patent for Steam-to-multi-element Thermal Fluid Huff and Puff Development Effect Evaluation Method. This invention was developed by Huang Shijun, Luo Yuanpeng, Zhao Fenglan, Fan Xinhan and Chen Yue.
The patent application number is CN202510189094 20250220. Th..
Oil & Gas
| Thu 11 Dec 2025
Beijing, Dec. 12 -- Xian Tiandilong Electronic Tech Co Ltd has sought patent for Remote Monitoring Method and System for Oil Field Operation Equipment. This invention was developed by Wang Gaoke, Wang Yize, Shang Qinghua, Fu Ruize and Qin Qingjuan.
The patent application number is CN20251088836 20250121. The patent publicatio..
Oil & Gas
| Thu 11 Dec 2025
Beijing, Dec. 12 -- China University of Petroleum, East China has submitted a patent application for Multi-view 3D Countermeasure Attack Method Based on Gaussian Splashing. This invention was developed by Meng Lingzhuang, Shao Mingwen, Lyu Xiang, Liu Chang and Qiao Yuanjian.
The patent application number is CN202510160681 20250..
Oil & Gas
| Thu 11 Dec 2025
Beijing, Dec. 12 -- PetroChina has submitted a patent application for Well Drilling Daily Report Analysis Method, Device and System Based on Long Short-term Memory Network. This invention was developed by Dong Wentao, Wang Lijun, Wang Ting, Huang Xinglong, Lan Haigang, Niu Beibei, Yi Hui, Ma Minmin and Wang Xinrui.
The patent a..
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