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Oil & Gas
| Wed 29 Apr 2026
Beijing, April 29 -- PetroChina has filed a patent application for Non-supported Hydrogenation Catalyst and Preparation Method Thereof. This invention was developed by Wang Yan, Lee Young-kwan, Hou Yuandong, Ge Shaohui, Zhang Zhanquan, Wu Pei, Guo Rong, Lei Junwei, Li Yang and Chen Fei.
The patent application number is CN202410..
Oil & Gas
| Wed 29 Apr 2026
Beijing, April 29 -- Northeast Petroleum University has filed a patent application for Efficient Spiral-flow Type Oil-gas-water Three-phase Separator. This invention was developed by Zhao Haiyang, Song Chengqian, Zhang Chenxi, Hu Xiang, Li Xue and Zhang Sirui.
The patent application number is CN202511457045 20251013. The patent..
Oil & Gas
| Wed 29 Apr 2026
Munich, April 29 -- IFP Energies nouvelles has filed a patent application for Hs-promoted, Ebullated Bed or Hybrid Bed Hydroconversion of a Feedstock Comprising a Plastic Fraction. This invention was developed by Fialho Batista Ana Teresa, Barbé Jean-patrick, Marques Joao and Barbier Jeremie.
The patent application number is E..
Oil & Gas
| Wed 29 Apr 2026
Munich, April 29 -- European Patent Office has received Halliburton Energy Services patent application for Improved Stator Winding Insulation Techniques for Esp Motors. Rimmer Michael and Mansir Hassan developed the invention.
The patent application number is EP20230941800 20230620. The patent publication number is EP4728623 (A..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 29 -- PetroChina has applied Chinese patent for Method for Synthesizing N, N-diisopropylethylamine. Dong Zhaoyong, Wu Dongdong, Han Xiaoping, Zhang Ning, Xu Fang and Wang Meng developed it.
The patent application number is CN202410781443 20240618. The patent publication number is CN121159400 (A). International Pa..
Oil & Gas
| Wed 29 Apr 2026
Beijing, April 29 -- PetroChina has applied Chinese patent for Reinforcing Agent Composition for Improving Friction Performance of No.8 Hydraulic Transmission Oil, Preparation Method and Application of Reinforcing Agent Composition, and Hydraulic Transmission Oil. Jiang Yu, Huang Dongsheng, Zhao Zhiyu, Xu Jingjing, Zhang Weiguan..
Oil & Gas
| Wed 29 Apr 2026
Geneva, April 29 -- Halliburton Energy Services has applied WIPO patent for a Wet Scrubber for Capturing Dust from a Bulk Powder. Sneed Craig and Walker Bryan developed it.
The patent application number is WO2024US52729 20241024. The patent publication number is WO2026084719 (A1). International Patent Classification codes are B..
Oil & Gas
| Wed 29 Apr 2026
Geneva, April 29 -- Hydril USA Distribution has applied WIPO patent for Methods and Systems Using Electrically Powered Linear Actuators. Chatufale Vijay, Piccolo Brian, Larsen Eric and Abou-assaad Amine developed it.
The patent application number is WO2025US50794 20251014. The patent publication number is WO2026085053 (A1). Int..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 29 -- PetroChina has sought patent for Preparation Method of Silicon-containing Pseudo-boehmite. This invention was developed by Pan Zhishuang, Tian Aizhen, Wang Manyun, Zheng Yunfeng, Cai Jinjun, Lyu Penggang, Zhao Mingzhi, Huang Xiaoliang, Tan Zhengguo and Wang Baojie.
The patent application number is CN2024107..
Oil & Gas
| Wed 29 Apr 2026
Beijing, April 29 -- PetroChina has sought patent for Anti-shrinkage Liquid Bridge Plug Material and Preparation Method Thereof. This invention was developed by Li Jia, Liu Yong, Xiong Ying, Wang Junyuan and Jiang Fan.
The patent application number is CN202410777557 20240617. The patent publication number is CN121160299 (A). In..
Oil & Gas
| Wed 29 Apr 2026
Munich, April 29 -- Baker Hughes Holdings has sought patent for Systems and Methods for Computed Tomography Inaccuracy Compensation. This invention was developed by Suppes Alexander and Blazek Pavel.
The patent application number is EP20240823961 20240610. The patent publication number is EP4728265 (A1). International Patent Cl..
Oil & Gas
| Wed 29 Apr 2026
Geneva, April 29 -- World Intellectual Property Organization has published Halliburton Energy Services patent application for Plug-in Pothead and Method for Electrical Submersible Motors. The invention was developed by Bencze Andras.
The patent application number is WO2024US53095 20241025. The patent publication number is WO202..
Oil & Gas
| Wed 29 Apr 2026
Munich, April 29 -- European Patent Office has published ExxonMobil Technology and Engineering patent application for Methods for Production of Pitch Particles with Reprocessing of Pitch Fines. The invention was developed by Slim Ali H, Anantha Narayana Iyer Krishnan, Ling Shiun, Wang Li, Li Liang and Yu Xiaotang.
The patent ap..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 29 -- State Intellectual Property Office of China has released Schlumberger Technology patent application for Axial Magnetometer Measurements After Disturbance Compensation. This invention was developed by Katayama Masahiro and Richards Edward.
The patent application number is CN20248033316 20240508. The patent p..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 29 -- State Intellectual Property Office of China has released PetroChina patent application for Metallocene Compound and Preparation Method and Application Thereof. This invention was developed by Yang Jingxuan, Zhang Sudong, Lu Xu, Li Wenbing, Shao Shibo, Liu Shi, Cao Yang, Wang Zhenglin, Li Chuanxi and Li Jin.
..
Oil & Gas
| Wed 29 Apr 2026
Beijing, April 29 -- State Intellectual Property Office of China has released Northeast Petroleum University patent application for Method and System for Detecting Dos Attack Intrusion of Oil and Gas Ground Information Physical System Based on Cross-domain Diffusion Field Self-adaption. This invention was developed by Wang Chuan..
Oil & Gas
| Wed 29 Apr 2026
Geneva, April 29 -- World Intellectual Property Organization has released Halliburton Energy Services patent application for Non-invasive Characterization of Wells. This invention was developed by Fouda Ahmed Elsayed, Wilson Glenn, Jones Christopher Michael and Srinivasan Sriram.
The patent application number is WO2025US44116 2..
Oil & Gas
| Wed 29 Apr 2026
Munich, April 29 -- European Patent Office has released Chevron Oronite patent application for Low Molecular Weight Polymeric Soot Dispersant. This invention was developed by Ruhe William R Jr, Driscoll Cory, Shih Jiun-le and Schoeffler Bram.
The patent application number is EP20240742373 20240617. The patent publication number..
Oil & Gas
| Wed 29 Apr 2026
Beijing, April 29 -- China University of Petroleum, East China has submitted a patent application for Workover Fluid Suitable for High-temperature Well Section and Preparation Method of Workover Fluid. This invention was developed by Liu Huajie, Zhang Yuwei, Zhang Liming, Guo Shenglai, Ma Xiaolong, Yang Yongfei, Zhang Huanan and..
Oil & Gas
| Wed 29 Apr 2026
Beijing, April 29 -- China University of Petroleum, Beijing has submitted a patent application for Device and Method for Partitioned Cracking Reaction of Bifunctional Catalysts with Different Particle Size Distribution. This invention was developed by Lu Chunxi, Yuan Binghao, E Chenglin and Fan Yiping.
The patent application nu..
Oil & Gas
| Wed 29 Apr 2026
Beijing, April 29 -- PetroChina has submitted a patent application for Carbon Dioxide Response Type Foam Fracturing Fluid System as Well as Preparation Method and Application Thereof. This invention was developed by Xiong Ying, Jiang Rui, Pu Wanfen, Zhang Pengfei, Du Daijun and Wu Tong.
The patent application number is CN202410..
Oil & Gas
| Wed 29 Apr 2026
Munich, April 29 -- Chevron Oronite has submitted a patent application for Polymeric Soot Dispersant. This invention was developed by Shih Jiun-le, Ruhe Jr William R and Driscoll Cory.
The patent application number is EP20240740733 20240617. The patent publication number is EP4728031 (A1). International Patent Classification co..
Oil & Gas
| Wed 29 Apr 2026
Munich, April 29 -- Chevron Oronite has submitted a patent application for Low Molecular Weight Polymeric Soot Dispersant. This invention was developed by Mourhatch Ramoun, Hartgers Walter, Ruhe William R Jr, Driscoll Cory, Shih Jiun-le and Baker Jessica.
The patent application number is EP20240740300 20240617. The patent publi..
Oil & Gas
| Wed 29 Apr 2026
Munich, April 29 -- IFP Energies nouvelles has submitted a patent application for Ebullated Bed or Hybrid Bed Hydroconversion of a Feedstock Comprising a Plastic Fraction and a Non-asphaltene Heavy Hydrocarbon Fraction. Marques Joao, Barbé Jean-patrick, Fialho Batista Ana Teresa and Barbier Jeremie developed the invention.
The..
Oil & Gas
| Wed 29 Apr 2026
Beijing, April 29 -- China University of Petroleum, East China has submitted a patent application for Multi-joint Hybrid Nano Generator. This invention was developed by Zhang Dongzhi, Ji Xinyi, Zhang Zekang, Zhou Lina and Zhang Meng.
The patent application number is CN202511663063 20251113. The patent publication number is CN12..
Oil & Gas
| Wed 29 Apr 2026
Geneva, April 29 -- Entegris has submitted a patent application for Multilayer Coatings for Reduced Surface Metals on Oxide Films. This invention was developed by Richards Gavin, Hendrix Bryan C and Zhao Rong.
The patent application number is WO2025US50969 20251014. The patent publication number is WO2026085155 (A1). Internatio..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has received China Petroleum & Chemical and Sinopec Northwest Oil Field patent application for Method and System for Simulating Reservoir Crustal Stress Field. Xin Shunyuan, Luo Pandeng, Li Chunyue, Cao Xusheng, Hou Fan and Wang Le developed the invention.
The p..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released Shenzhen Branch China National Offshore Oil and Cnooc Deepwater Dev Ltd patent application for Dual-pore Structure Factor Permeability Earthquake Prediction Method, System, Medium and Equipment. This invention was developed by Huang Rongyan, Li Zhenshe..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- Qingdao Cnpc Geotechnical Eng Co Ltd, China Petroleum Eng & Constr Corp and China National Petroleum have submitted a patent application for Rock Core Sample Obtaining Device Under Vacuum Condition for Geotechnical Engineering Exploration. This invention was developed by Ma Yongfeng, Tong Yuanhui, Liu Kaiwen..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- Guangxi Liugang Gas Co Ltd and Guangxi Liugang Xinrui Gas Co Ltd have submitted a patent application for Air Separation Plant Liquid Nitrogen Gas Stripping Device and Gas Stripping Method. This invention was developed by Chang Sunfeng, Chen Ziqiang, Chen Zhibin, Zhang Guangrong, Li Hongjian, Liu Liuan, Li Yu..
Oil & Gas
| Tue 28 Apr 2026
Geneva, April 28 -- Orion Machinery Co Ltd has submitted a patent application for Hydrogen Gas Supply Device and Hydrogen Gas Supply System. This invention was developed by Houjou Fumi, Furuta Yusuke, Koike Kazushi and Nakane Takahiro.
The patent application number is WO2025JP17358 20250513. The patent publication number is W..
Oil & Gas
| Tue 28 Apr 2026
Geneva, April 28 -- Wijaya Erwin has filed a patent application for Cylinder Valve Integrated with Pressure Reducing Function for Compressed Natural Gas Cylinders.
The patent application number is WO2025ID00003 20250408. The patent publication number is WO2026083397 (A1). International Patent Classification code is F17C13/04..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released Sinopec Group Sharing Services Co Ltd patent application for Image File Comprehensive Processing Method and Device. This invention was developed by Wang Zixuan, Yang Su, Wu Ruiqi, Pang Yongxia, Yin Heyang, Jiang Meng, Li Rushuang, Zhou Ran and Li Shipe..
Oil & Gas
| Mon 27 Apr 2026
Geneva, April 28 -- World Intellectual Property Organization has published China Nat Petroleum Corporation and CNPC Engineering Tech R&D Company Limited patent application for Downhole Fish Detection Method and System. The invention was developed by Zhang Shuo, Gao Wenkai, Teng Xinmiao, Zhang Lei, Fan Jinhui, Yu Dezhou, Peng Hao..
Oil & Gas
| Mon 27 Apr 2026
Geneva, April 28 -- World Intellectual Property Organization has received Linde GmbH and Wei Zhong Ling patent application for Method for Heat Treatment of a Non-steel Metal Strip. Wei Zhong-ling, Ekman Tomas, Zhu Heng and Feng Jun-rong developed the invention.
The patent application number is WO2024CN124763 20241014. The pa..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- China Nat Offshore Oil Corp and Beijing Res Center Cnooc China Co Ltd have sought patent for Shaft Multiphase Flow Pressure Profile Prediction Method, Device, Equipment and Medium. This invention was developed by Xie Renjun, Wang Mingchun, Ji Yuchen, Zhang Xinrui, Zhang Hailong, Liu Yupei, Wang Tianhao, Sui ..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- China Nat Offshore Oil Corp and Beijing Res Center Cnooc China Co Ltd have sought patent for Design and Installation Method and System of Underwater Acoustic Communication Equipment on Ocean Structure. This invention was developed by Xie Botao, Fu Dianfu, Wang Huoping, Li Da, Liu Tao, Zhang Qi, Lun Yuguo, Hu..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- China Nat Offshore Oil Corp and Beijing Res Center Cnooc China Co Ltd have filed a patent application for Underwater Contra-rotating Compressor Blade Tip Leakage Flow Vibration Prediction Method and System Based on Fluid-structure Interaction Simulation. This invention was developed by Zhu Liya, Li Zhengyuan..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Petroleum Engineering Tech Research Institute Co Ltd patent application for Influence Rule Research Method of Hydraulic Fracture Crossing Behavior of Deep Shale and Application. This invention was developed by Zha..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- Chongqing Natural Gas Storage and Transp Co Ltd has submitted a patent application for Mechanical Property Evaluation Method Based on Cover Layer Tension Failure and Shear Failure. This invention was developed by Tang Wei, Ouyang Mukun, You Chunli, Deng Yufan, Du Bian, Ren Zixuan and Jiang Mingyang.
The p..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- Beijing Jincheng Qiuyuan Tech Co Ltd has submitted a patent application for Intelligent Analysis Method and Analysis Equipment for Post-pressure Pumping Stop Data of Shale Gas Well. Wang Xue developed the invention.
The patent application number is CN202511298045 20250911. The patent publication number is..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- China Nat Offshore Oil Corp and Cnooc Res Inst Co Ltd have filed a patent application for Fluvial Facies Reservoir Three-dimensional Space Feature Prediction Method Based on Single Well Data. This invention was developed by Fan Hongjun, Ni Jun'e, Ding Zupeng, Wang Hui, Qiu Ling, Zhang Yuqing, Zhong Qinwan, W..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Zhongyuan Oilfield Company patent application for Method for Quantitatively Analyzing Evolution Period of Ancient Pore Fluid in Sandstone Reservoir. This invention was developed by Yang Dongdong, Jiang Feihu, Wang..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Petroleum Exploration & Prod Res Inst patent application for Method and System for Identifying Mobility of Hydrocarbons in Rock. This invention was developed by Xu Huiyuan, Zhu Dongya and Ding Xi.
The patent ap..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- Huaxu Tangshan Petroleum Tech Co Ltd has filed a patent application for Submersible Screw Pump Cardan Shaft Test Device and Method. This invention was developed by Liu Jiajun, Zhang Shujun, Zhang Baolong, Dou Limei, Wang Shuai, Lu Yongkang, Meng Yu, Lu Wenmei and Sun Fengjiao.
The patent application numbe..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- Jiangsu Jiulang High-Tech and Nanjing University of Technology have submitted a patent application for Device and Method for Detecting Pore Diameter Uniformity of Folded Filter Element Based on Gas Permeation Pressure. Zhou Hongjia, Wu Junwei, Feng Xiaxia and Zhong Zhaoxiang developed the invention.
The p..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- Yixing Hyfun Energy Tech Co Ltd and Shanghai Hyfun Energy Technology have submitted a patent application for Solid Hydrogen Storage Device with Self-adaptive Temperature Control System. Fang Peijun, Fang Ge, Liu Duqing and Xuan Feng developed the invention.
The patent application number is CN202511305772 ..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- China National Petroleum and CNPC Engineering Mat R & D Company Limited have submitted a patent application for Device and System for Actively Reducing Gas Pulsation in Pipeline. This invention was developed by Wu Gang, Li Lifeng, Xia Ruochen, Xu Duolin, Luo Jinheng, Zhu Lixia, Xu Kangkai and Xie Shuyi.
T..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- Southwest Petroleum University, Zhejiang Huizuan Tech Co Ltd and Sichuan Xieming Tech Co Ltd have submitted a patent application for Top-drive Self-adaptive Intelligent Shock Absorber. This invention was developed by Tian Jialin, Zhu Jiewen, Yang Lin, Li Weixi, Luo Yuxin and Liu Junhong.
The patent applic..
Oil & Gas
| Mon 27 Apr 2026
Geneva, April 28 -- Aerospace Hydrogen Energy Tech Co Ltd has sought patent for Helium Liquefaction Device and Method. This invention was developed by Zhao Lianpeng, Su Jianan, Li Shijun, Yan Aitong, Yin Qizhi, Liu Minghao, Bian Zhishang, Li Junbao, Zhou Huidong, Mo Yifan, Qin Kexin, Yuan Shifei, Yu Jingyu, Chen Haotong, Wang Yi..
Oil & Gas
| Tue 28 Apr 2026
Geneva, April 28 -- Mitsubishi Power Ltd and Mitsubishi Heavy Industries have applied WIPO patent for Carbon Dioxide Recovery Equipment and Carbon Dioxide Recovery Method. Okui Hidetaka, Uechi Hideyuki and Yasugi Akira developed it.
The patent application number is WO2025JP33589 20250924. The patent publication number is WO20..
Oil & Gas
| Tue 28 Apr 2026
Geneva, April 28 -- Nosi Network For Olfactory System Intelligence GmbH has submitted a patent application for Device and Method for Analysing a Headspace Gas. This invention was developed by Aspermair Patrik and Reiner-rozman Ciril.
The patent application number is WO2025EP78492 20251003. The patent publication number is WO2..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has published Kunlun Shuzhi Tech Co Ltd and China National Petroleum patent application for Container Mirror Image Processing Method, Device and Equipment Based on Large Language Model. The invention was developed by Wang Yan, Zhang Ganxiang, Zhang Liang, Li Cheng,..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has published China Nat Offshore Oil Corp and Beijing Res Center Cnooc China Co Ltd patent application for Lake Facies High-quality Hydrocarbon Source Rock Small Sample Machine Learning Quantitative Prediction Method and System Based on Geological Condition Constra..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- China National Petroleum and China Nat Oil and Gas Exploration and Development Ltd have sought patent for Lake Facies Carbonate Rock Deposition Rate Prediction Method and System Based on Mie Cycle. This invention was developed by He Wenyuan, Wang Hongping, Wang Wangquan, Fan Guozhang, Wang Jingchun, Li Weiqi..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has received China Nat Offshore Oil Corp and Beijing Res Center Cnooc China Co Ltd patent application for Method, Device, Medium and Equipment for Predicting Offshore Fan Delta Reservoir Affected by Unstable Strong Reflection. Dong Hongchao, Wang Zongjun, Zhang Xia..
Oil & Gas
| Tue 28 Apr 2026
Geneva, April 28 -- Univ De Coimbra has filed a patent application for Method for Regenerating Waste Lubricant Oils Using Supercritical CO2. This invention was developed by Alves Ventura Dos Santos CecÃlia Isabel and Gando De Azevedo Ferreira LicÃnio Manuel.
The patent application number is WO2025IB60395 20251013. The paten..
Oil & Gas
| Tue 28 Apr 2026
Geneva, April 28 -- Ind De Nora SpA has filed a patent application for Method for Producing Hydrogen. This invention was developed by Iacopetti Luciano.
The patent application number is WO2025EP79760 20251015. The patent publication number is WO2026082793 (A1). International Patent Classification codes are C25B1/04, C25B1/044..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has published China Petroleum Pipeline Engineering Corp, China National Petroleum and China Petroleum Pipeline Engineering Co Ltd patent application for Method and Device for Determining Jacking Force of Jacking Pipe, Electronic Equipment and Medium. The invention ..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released China National Petroleum and CNPC Engineering Mat R & D Company Limited patent application for Rapid Detection Method for Carbon Disulfide in Paraffin Remover and Inhibitor. This invention was developed by Jin Quan, Song Enpeng, Cai Ke and Bai Xiaolian..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released Jiangsu Qinalloy Tech Co Ltd patent application for Improved Chute Roasting Device with Gas Leakage Prevention Structure. This invention was developed by Jin Kaifeng, Zhou Zhijian, Wang Baolin, Wu Chuang and Zhou Han.
The patent application number i..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has received China National Petroleum and China Huanqiu Contracting & Engineering patent application for Method, Device and Equipment for Determining Filling Duration of Hydrogen and Medium. Tang Shuo, Zhang Xuyang, Chen Shengbin, Bian Siying and Chen Ping develope..
Oil & Gas
| Mon 27 Apr 2026
Geneva, April 28 -- Prochip Gas Shanghai Co Ltd has applied WIPO patent for Liquid Nitrogen Supply System. Bai Jiu, Zhao Yingyi and Lin Chen developed it.
The patent application number is WO2025CN121511 20250916. The patent publication number is WO2026081762 (A1). International Patent Classification codes are F17D1/08, F17D3/..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has published China Nat Offshore Oil Corp and Beijing Res Center Cnooc China Co Ltd patent application for System and Method for Verifying Effect of Co2 Replacement of Methane Hydrate Above Equilibrium Pressure. The invention was developed by Pang Weixin, Li Zhong,..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- Chang'an University has submitted a patent application for Method for Judging High and Low Temperature Oxidation Combustion State in Heavy Oil Fireflooding Process. Liu Yan, Cui Lin, Zheng Huayu, Wang Kang and Sun Sijuan developed the invention.
The patent application number is CN202511260315 20250904. Th..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has received Shanghai Zhengzhou Intelligent Tech Co Ltd patent application for Comprehensive Performance Evaluation Method for Sulfur Hexafluoride Substitute Gas. Qian Jiafu and Shi Jun developed the invention.
The patent application number is CN202511255604 202..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released Huaneng Clean Energy Res Institute and Huaneng Qingyang Coal and Electricity patent application for Deep Well Gas-liquid Mixture Sampling System and Method. This invention was developed by Zhang Jian, Liu Zhiwen, Liu Lianbo, Nie Yaowu, Yuan Haowei, Hou..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released Shanxi Changcun Dacheng Energy Saving Tech Co Ltd patent application for Multi-stage Oil-gas Separation Type Air Compressor. This invention was developed by Yang Zhenrui, Yin Changsheng, Guo Yueyue, Dou Xinyu, Li Songjie, Jiang Tao and Ning Yang.
Th..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- Cnpc Jichai Power Company Ltd and China National Petroleum have applied Chinese patent for Methanol Engine Air Inlet Device for Well Drilling, Control Method of Methanol Engine Air Inlet Device and Engine. Li Yang, Zhang Hao, Sun Qichao, Wang Wenwu, Zhang Pengbo, Fu Huali, Jiang Zhichao, Ma Junjie, Li Huichu..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has received Dongfeng Motor Group patent application for Gas Supply System and Method Thereof. An Tao developed the invention.
The patent application number is CN202511562184 20251029. The patent publication number is CN121139214 (A). International Patent Classi..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has received Dalian Haoyu Machinery Equipment Co Ltd patent application for Petroleum Sampling Device for Producing Well. Wang Duo, Han Zhenguo and Yuan Jin'e developed the invention.
The patent application number is CN202511661406 20251113. The patent publicati..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released China University of Petroleum, East China patent application for Fracture Inversion Optimization Method Based on Optical Fiber Strain Monitoring After Fracturing Pump Stop. This invention was developed by Chen Ming, Hu Xingyu, Guo Tiankui, Liu Yongzan,..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- PetroChina has submitted a patent application for Iron-rich Rock Mass Magnetic Source Positioning Method and Device. This invention was developed by Yue Xingfu, Ma Hui, Li Bo, Qi Wen, Tao Gang and Yin Lu.
The patent application number is CN202510993897 20250718. The patent publication number is CN121142658 ..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released China University of Petroleum, East China patent application for Seismic Signal Denoising Method Based on Direction Disturbance and Sparse Transformation Response. This invention was developed by Su Yufei, Song Jianguo and Li Zhe.
The patent applicati..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has received China University of Petroleum, East China patent application for Fault Distance Measurement Method for Tree-shaped Power Distribution Network Containing Distributed Power Supplies. Zhu Guochen, Zhang Longlong, Wang Yansong and Liu Shan developed the in..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- China University of Petroleum, Beijing has submitted a patent application for Rock Core Hydration Strain Monitoring Method and Device Based on Multi-source Fusion Data. This invention was developed by Li Jiaxin, Fang Zheng, Sui Weibo, Lu Yunhu, Zhao Changjun, Chen Mian, Wang Su, Zhang Yazhou and Wang Xing.
..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- China University of Petroleum, Beijing has submitted a patent application for Crack Corrosion Testing Device. This invention was developed by Zhang Zheng, Wu Yuxi, Liu Shuaihao and Guo Yanbao.
The patent application number is CN202511651252 20251112. The patent publication number is CN121141850 (A). Interna..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- China University of Petroleum, East China has sought patent for Method and System for Determining Stable Equilibrium Point of Hydrate Based on Raman Spectrum. This invention was developed by Huang Xi, Chen Yong and Wang Miao.
The patent application number is CN202511361324 20250923. The patent publication n..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- PetroChina has sought patent for Wettability Characterization Method and Device Based on Dynamic Contact Angle. This invention was developed by Wu Songtao, Wu Kunyu, Guan Modi, Pan Bin, Zhang Jing, Yu Zhichao and Zhou Yuhang.
The patent application number is CN202511331746 20250917. The patent publication n..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has published Northeast Petroleum University patent application for Method and Device for Improving Resolution of Digital Core Image. The invention was developed by Zhang Yubo, Han Chao, Liu Meiyi, Geng Juanjuan, Wang Tingting and Jiang Nan.
The patent application..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- China University of Petroleum, East China has submitted a patent application for Fourier Domain Prior-guided Zero Sample Video Relighting Method. This invention was developed by Lyu Xiang, Shao Mingwen, Liu Chang and Meng Lingzhuang.
The patent application number is CN202511488227 20251017. The patent publi..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- PetroChina has submitted a patent application for Method and Device for Determining Liquid Extraction Scheme of Water-flooding Oil Field. This invention was developed by Cheng Li, Dong Xiaowei, He Shumei, Lu Yi, Zhao Yongfeng, Zhou Lianmin, Wang Dong, Zhang Qiong, Xu Sheng and Teng Jingyi.
The patent applic..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- PetroChina has filed a patent application for Gas Storage Cover Layer Sealing Performance Analysis Method. This invention was developed by Wang Yan, Jiang Huaquan, Yang Ying, Li Limin, Ren Ke and Zeng Juan.
The patent application number is CN202410767542 20240614. The patent publication number is CN12114105..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released PetroChina patent application for New Well Benefit Evaluation Method Constrained by Three Standards. This invention was developed by Dai Li, Ding Guixia, Yao Xin, Guo Lili, Zhong Xiaogang, Chu Jiangtian and Xie Guangyue.
The patent application number ..
Oil & Gas
| Tue 28 Apr 2026
Geneva, April 28 -- Baker Hughes Energy Technology has submitted a patent application for Permeation-barrier and Method of Manufacture. This invention was developed by Cafferkey Matthew David, Robinson Paul Robert and Green Spencer Richard.
The patent application number is WO2025EP78831 20251007. The patent publication number..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released China University of Petroleum, East China patent application for Structural Damage Identification Method of Quasi-newton Iteration Nonlinear Rcd Algorithm. This invention was developed by Huang Sining, Liu Shanxin, Ma Yuxin, Qiao Tiantian, Zhang Lianzh..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- Tianjin University of Technology and Education China Vocational Training Instructor Training Center has sought patent for Crude Oil Leakage Target Identification and Traceability Method for Offshore Platform. This invention was developed by Zhang Shihai and Qu Zhongnian.
The patent application number is C..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released China University of Petroleum, Beijing patent application for Bag Type Pore Plate Attenuator for Pipeline Vibration Control. This invention was developed by Chen Yanfei, Zhuang Yixuan, Lu Shuntian, Peng Jin, Xu Huiwen, Huang Buyun, Liu Yu, Zhong Rongfe..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 28 -- Zhanjiang Branch of China National Offshore Oil has submitted a patent application for Multi-stage Dynamic Sealing Pressure Balance Management Method and System. This invention was developed by Jian Cheng, Wang Wei, Liu Hexing, Ma Lei, Zhao Baoxiang, Guo Wei, Yu Yi, Qin Tianjun, Jiang Quanmin, Wang Hao, Sun ..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- Nat Inner Mongolia Xilaifeng Electric Power Co Ltd has sought patent for Bearing Box Airtight Chamber Oil Shield. This invention was developed by Wang Zhixiong, Zhang Zhanwen, Wang Wenbao, Jiang Haibo, Han Xiaorui, Li Yongming and Wang Xuexin.
The patent application number is CN202511565566 20251030. The ..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- PetroChina has filed a patent application for Shale Oil Horizontal Well Movable Oil Content Calculation Method and Productivity Prediction Method. This invention was developed by Chen Changwei, Song Shunyao, Yang Fei, Guan Quansheng, Wan Yonggang, Cui Yu, Zeng Haiwei, Gao Huanhuan, Yang Wei and Yan Tuo.
The..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released China University of Petroleum, Beijing patent application for Simulation Device and Method for Fluid Flow in Thickened Oil Overflow Shaft and Pipe Coagulation and Drilling Tool Jamming. This invention was developed by Yang Hongwei, Li Jun, Zhang Hui, Z..
Oil & Gas
| Tue 28 Apr 2026
Beijing, April 28 -- PetroChina has submitted a patent application for Quantitative Discrimination Method for Inter-well Crosstalk Degree Based on Dynamic Data Analysis. Guan Quansheng, Wan Yonggang, Yan Tuo, Zeng Haiwei, Tai Chunlei, Gao Huanhuan, Jia Chen and Gong Kaipeng developed the invention.
The patent application number..
Oil & Gas
| Sun 26 Apr 2026
Beijing, April 27 -- State Intellectual Property Office of China has received Linde China Forklift Truck; Kion Jinan Forklift patent application for AGV Portal Motion Speed Control Method and AGV. Lin Fengyan, Wu Jianyang, Cui Lei and Zhang Teng developed the invention.
The patent application number is CN202511282983 20250909..
Oil & Gas
| Mon 27 Apr 2026
Alexandria, April 27 -- ABB has submitted a patent application for System and Method for Determining a Gas Flow in a Gas Delivery Arrangement. Kramer Axel, Castro Pedro, Ackermann Patric and Mendoza Francisco developed the invention.
The patent application number is US202519366659 20251023. The patent publication number is US..
Oil & Gas
| Mon 27 Apr 2026
Alexandria, April 27 -- U.S. Patent and Trademark Office has received Voltagrid LLC patent application for Modular Gas Processing System. Ough Nathan, Wise Leslie Michael and Gill Tejinder Singh developed the invention.
The patent application number is US202519428992 20251222. The patent publication number is US20260108839 (A..
Oil & Gas
| Mon 27 Apr 2026
Alexandria, April 27 -- Imec Vzw and KU Leuven have applied United States patent for Method and System for CO2 Reduction. Van Leeuwen Marieke and Vereecken Philippe developed it.
The patent application number is US202519359154 20251015. The patent publication number is US20260108838 (A1). International Patent Classification c..
Oil & Gas
| Mon 27 Apr 2026
Alexandria, April 27 -- U.S. Patent and Trademark Office has released Pan Yang and Inspiring Atoms Pte Ltd patent application for Chamber with Grounded Ion Filter for Enhanced Atomic Layer Etching Processes for High Aspect Ratio Structures. This invention was developed by Pan Yang.
The patent application number is US202418920..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 27 -- State Intellectual Property Office of China has published China Petroleum & Chemical and Sinopec Dalian Res Institute Petroleum & Petrochemicals Co Ltd patent application for Hydrocracking Catalyst as Well as Preparation Method and Application Thereof. The invention was developed by Sheng Qingqing, Zhu Huiho..
Oil & Gas
| Mon 27 Apr 2026
Beijing, April 27 -- PetroChina; China Huanqiu Contracting & Engineering has applied Chinese patent for Green Synthesis Ammonia and Organic Liquid Hydrogen Storage Combined Device. Tang Shuo, Chen Shengbin, Wu Yan, Ma Mingyan, Wang Yong, Sun Changgeng, Bian Siying and Zhao Hongxia developed it.
The patent application number i..
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