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Oil & Gas
| Tue 24 Feb 2026
Geneva, Feb. 25 -- Kerogen Oue has submitted a patent application for Method for Separation of Di- and Tri-carboxylic Acids from an Oil Shale Oxidation Reaction Mixture. This invention was developed by Lopp Margus, Silm Estelle, Kaldas Kristiina, Rouk Kristi, Uustalu Jaan, Muldma Kati, Siirde Kaarel, Kimm Mari-liis, Reinaas Mari..
Oil & Gas
| Tue 24 Feb 2026
Geneva, Feb. 25 -- Exergo SA has submitted a patent application for System and Process for Vaporizing a Liquefied Gas. This invention was developed by Henchoz Samuel and Briguet Raphaël.
The patent application number is WO2025IB58158 20250811. The patent publication number is WO2026038131 (A1). International Patent Classific..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 25 -- CNPC Greatwall Drilling and China National Petroleum have submitted a patent application for Cooperative Control Method, Device and Equipment for Double Manipulators of Calandria Machine and Medium. This invention was developed by Yan Weijun, Pan Deng, Luo Kai, Liu Ye, Zhao Yougui, Liu Meng, Luo Changsheng, Y..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 25 -- Baoji Ruitong Energy Tech Co Ltd has submitted a patent application for Downhole Sampling Device for Well Drilling. This invention was developed by Shi Minzhe.
The patent application number is CN202510922422 20250704. The patent publication number is CN120626155 (A). International Patent Classification cod..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 25 -- Hunan Meihu Intelligent Mfg Co Ltd has submitted a patent application for Control System for Realizing Variable Flow of Oil Pump. This invention was developed by Ding Xing, She Xiaomei and Huang Chun.
The patent application number is CN202510886809 20250630. The patent publication number is CN120626315 (A)..
Oil & Gas
| Tue 24 Feb 2026
Geneva, Feb. 25 -- World Intellectual Property Organization has released Praxair Tech Inc and Linde patent application for System and Method for High Flow Rate Liquid Hydrogen Tank Filling. This invention was developed by Ayaskanta Arya, Nawathe Kedar, Mmeje Uzoma, Kelly Sean M, Wellenhofer Anton and Toneva Petya.
The patent ..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 25 -- State Intellectual Property Office of China has released Daqing Oilfield and PetroChina patent application for Double-channel Water Injection Structure of Eccentric Integrated Water Injection Packer. This invention was developed by Song Xingliang, Xu Xiaoyu, Tong Yin, Li Jinghui, Wang Jiechun, Wang Min, Guo Y..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 25 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Dalian Res Institute Petroleum & Petrochemicals Co Ltd patent application for Storage Medium, Co2 Storage Site Escape Emission Calculation Method, Device and Equipment. This invention was developed by Wang Tao, Zha..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- State Intellectual Property Office of China has released Zhejiang Jucheng Steel Cylinder Co Ltd patent application for Automatic Steel Cylinder Stacking Line. This invention was developed by Ye Guojun, Peng Zhiming, Lin Jianhua, Zheng Ronghua, Zhao Liang, Deng Zhihao, Yu Liwen and Jiang Qiang.
The patent a..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 25 -- State Intellectual Property Office of China has published CNPC Zhike Jilin Tech Equipment Co Ltd patent application for Automatic Washing Screen Pipe. The invention was developed by Lyu Hao, Ahn Jun-seong, Zhu Ge, Xiu Liang and Yeo Dong-yun.
The patent application number is CN202511148521 20250818. The pat..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- 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 Dividing Favorable Reservoir Sections of Calcareous Shale. This invention was developed by Wu Qingzhao, Wang Yanqing, Jin Wujun, Sh..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- 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 Fluid Properties of Tight Sandstone Fractured Reservoir. This invention was developed by Wu Qingzhao, Liu Junlong, Jin ..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- State Intellectual Property Office of China has released Shenzhen Branch China National Offshore Oil and CNOOC Deepwater Dev Ltd patent application for Phase-control Low-frequency Modeling Method, System Medium and Equipment for Paleogenous Continental Sedimentary Strata. This invention was developed by Zeng ..
Oil & Gas
| Wed 25 Feb 2026
Geneva, Feb. 25 -- World Intellectual Property Organization has released Saudi Arabian Oil Company and Aramco Far East (Beijing) Business Services patent application for Data Communication Software with User Interface Connecting Depositional Modeling and Diagenetic Modeling. This invention was developed by Wang Xiaoxi, Sun Xueka..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- State Intellectual Property Office of China has received Sinopec Oilfield Service and Sinopec Jianghan Oilfield Service Co Ltd patent application for ESD (electro-static Discharge) Switching Modular Control System and Control Method for Oil and Gas Station. Huang Jian, Lv Zhi, Cao Dan, Tian Yanwei, Li Jia, Hu..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 25 -- State Intellectual Property Office of China has published Cnpc Shenzhen New Energy Res Institute Co Ltd and PetroChina patent application for Lithosphere Thermal Structure Analysis Method, Apparatus and Device, and Storage Medium. The invention was developed by Tang Boning, Zhu Chuanqing, Li Shixiang, Fang Ch..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 25 -- Dongying Ruifei Petroleum Tech Co Ltd has filed a patent application for Well Cementation Rubber Plug for Seabed Oil Well. This invention was developed by Fu Weimin, Fu Jiacheng, Dong Jichun and Dong Chunxian.
The patent application number is CN202510775322 20250611. The patent publication number is CN1206..
Oil & Gas
| Wed 25 Feb 2026
Geneva, Feb. 25 -- Sichuan Zhili Intelligent Energy Tech Co Ltd has submitted a patent application for Swappable Battery Damping Structure. This invention was developed by Li Liguo, Xu Jin and Cao Kaichuang.
The patent application number is WO2025CN113757 20250811. The patent publication number is WO2026037222 (A1). Internati..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- Shaanxi Huifengyue Petroleum Tech Development Co Ltd has filed a patent application for Drilling Fluid for Oil Field Drilling and Preparation Process Thereof. This invention was developed by Ding Huanyu, Hang Jianchun, Zhang Tongtong, Zhang Xingdong and Zhao Junxiang.
The patent application number is CN202..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- China Petroleum Eng & Constr Corp and China National Petroleum have filed a patent application for Method and System for Extracting Deuterium and Lithium from Oil and Gas Field Produced Water. This invention was developed by Shen Quanfeng, Luo Shuangquan and Guo Chao.
The patent application number is CN202..
Oil & Gas
| Tue 24 Feb 2026
Geneva, Feb. 25 -- World Intellectual Property Organization has published Dharma Karma Found patent application for Method and Plant for Capturing Carbon Dioxide from a Carbon Dioxide Laden Gas Stream. The invention was developed by Fuchs Johannes, Fahrngruber Michael, Schöny Gerhard, Fuchs Josef, Wallmüller Andreas, Chimani F..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 25 -- State Intellectual Property Office of China has published China National Petroleum and CNPC Engineering Tech R & D Co Ltd patent application for Downhole Dynamic Parameter Sensing Drill Bit. The invention was developed by Wu Qiang, Ji Guodong, Huang Hongchun, Chen Changchang, Liu Li, Hu Huaigang, Yu Jinping, ..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 25 -- State Intellectual Property Office of China has released China National Petroleum; Cnpc Engineering Tech R & D Co Ltd patent application for Downhole Casing External Windowing Experiment Device and Method. This invention was developed by Ren Xianke, Xia Yan, Ban Fansheng, Liu Tian'en, Che Yang, Zhang Honglin,..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 25 -- State Intellectual Property Office of China has released Xinjiang Central Tanon Oil & Gas Tech Co Ltd patent application for Gas-liquid Two-phase Flow Wide Gas-liquid Ratio and Wide Range Metering System and Method. This invention was developed by Wang Binchen, Lu Jiuqing, Gao Yongxin, He Feng, He Yu, Ma Huih..
Oil & Gas
| Tue 24 Feb 2026
Geneva, Feb. 25 -- World Intellectual Property Organization has released Altiss Tech LLC patent application for Vortex Induced Vibration Mitigation Method and System. This invention was developed by Lawson Drummond Willem Mackay, Dziekonski Mitchell Zbigniew, Mckay David Ernest and Walz Gregory Stephen.
The patent application..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- State Intellectual Property Office of China has published Guangrao Yuanrun New Mat Co Ltd patent application for Efficient Crude Oil Purification and Flocculation Treatment Agent Capable of Rapidly Settling Impurities as Well as Preparation Method and Application of Efficient Crude Oil Purification and Floccu..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 25 -- National Petroleum Pipeline Network Group and National Pipe Network Group Engineering Tech Innovation Co Ltd have filed a patent application for Foundation Humidifying Treatment System and Treatment Method. This invention was developed by Wu Weiwei, Sun Haitao, Shang Zenghui, Bian Hairong, Liu Zhitian, Jia Ha..
Oil & Gas
| Tue 24 Feb 2026
Geneva, Feb. 25 -- World Intellectual Property Organization has received Cnpc Usa Corp, Beijing Huamei Inc and China National Petroleum patent application for Hydraulic Control Apparatus and Method for a Downhole Tool. Wang Jinjun, Cheng Chris, Yu Jiaqing, Mada Hems, Waddell Kevin, Yang Xiongwen, Zhao Xu, Yi Ming, Zhang Xin, Zha..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- State Intellectual Property Office of China has received Panjin Zhonglu Oil and Gas Tech Services Co Ltd patent application for Logging Rock Debris Receiving and Subpackaging Mechanism. Huang Zijian, Tian Qingqing, Fang Tieyuan, Li Yanxia, Jiao Yanshuang, Liang Xiaoshuang, Yao Yuan, Zhang Liwei, Zhao Peipeng,..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- State Intellectual Property Office of China has received Xi'an Tianzheng Petroleum Tech Co Ltd patent application for Macromolecular Salt-resistant Viscoelastic Particle and Preparation Process Thereof. Zhu Yongming, Wei Xiaolong and Zhang Wenwen developed the invention.
The patent application number is CN..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- State Intellectual Property Office of China has received Sichuan Languan Energy Tech Co Ltd and Sichuan Weiwodun Petroleum Technology patent application for Three-layer Structure Gas Expansion-double Network Degradation Temporary Plugging Microsphere and Preparation Method Thereof. Xiao Weiyuan, Luo Jing, He ..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- State Intellectual Property Office of China has received Runhe Catalyst Co Ltd patent application for Assistant for Increasing Gasoline Octane Number and Reducing Oil Slurry Without Increasing Liquefied Gas, Preparation Method and Application. Shi Zongbo, Zhang Qing, Qiu Heng'e, Wang Ye, Meng Jinlin, Wang Yun..
Oil & Gas
| Tue 24 Feb 2026
Geneva, Feb. 25 --Carpecarbon SRL SOC Benefit has sought patent for Plant and Process for Capturing Carbon Dioxide Directly from a Gaseous Mixture. This invention was developed by Antoniciello Giuliano, Rossi Francesco, Zoppi Lorenzo, Perrone Davide and Costa Giorgia.
The patent application number is WO2025IB58154 20250811. T..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 25 -- Dongying Baihua Petroleum Tech Development Co Ltd has sought patent for Thermal Well Washing Packer. This invention was developed by Cui Jianwen, Wang Zhanwei, Hou Jundong, Liu Wei, Sun Guoxiang and Li Yong.
The patent application number is CN202511127207 20250813. The patent publication number is CN120626..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- National Petroleum Pipeline Network Group and State Petroleum Pipeline Network Group of Science and Technology Research Institute Branch have applied Chinese patent for Super-hydrophobic Sponge as Well as Preparation Method and Application Thereof. Chang Weichun, Zhang Xin, Li Chunman, Jia Yankun and Ru Chang..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- Liaoning Qirui Petroleum Tech Co Ltd has sought patent for High-deformation Temporary Plugging Agent and Preparation Method Thereof. This invention was developed by Zhang Qunshuang and Zhang Junyun.
The patent application number is CN202510777300 20250611. The patent publication number is CN120623994 (A). ..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- Chen Songtao has submitted a patent application for Preparation Method of Self-energy-supply and Self-activator-supply Carbon-based Material Based on Pyrolysis Gas. This invention was developed by Chen Songtao, Chen Xu and Hu Anna.
The patent application number is CN202510788122 20250612. The patent public..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- Beijing Yineng Hydrogen Source Tech Co Ltd has submitted a patent application for Equipment, Method and System for Synthesizing Ammonia from Green Hydrogen and Nitrogen. This invention was developed by Lv Pin, He Huizi, Lu Chuan, Wang Fei and Zhou Yi.
The patent application number is CN202510931064 2025070..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- State Intellectual Property Office of China has published China University of Petroleum, East China patent application for Ocean Pipeline Damage Positioning Method of Dendritic Network Optimized by Improved Wild Horse Algorithm. The invention was developed by Wu Lei, Liu Chao, Wang Shuai, Gong Yulin, Wang Wen..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- China University of Petroleum, Beijing has filed a patent application for Transverse Wave Velocity Prediction Method, Apparatus and Device, and Readable Storage Medium. This invention was developed by Jiang Fujie, Zhang Yuqi, Zhang Zitong, Chen Di, Zheng Xiaowei, Hu Tao, Guo Jing, Qi Zhenguo, Ding Dandan and ..
Oil & Gas
| Tue 24 Feb 2026
Geneva, Feb. 25 -- Chevron USA has filed a patent application for Quantification of Liquid Flow Rate and Correction of Gas Flow Rate in the Presence of Liquid in a Gas Pipeline. This invention was developed by Chacon Pamela Isobel, Brenskelle Lisa Ann, Scariot Vinicius Kramer and Mills Rachel W.
The patent application number is..
Oil & Gas
| Tue 24 Feb 2026
Geneva, Feb. 25 -- ExxonMobil Technology and Engineering has submitted a patent application for Method of Making Molecular Sieves of Don Framework Type. Pham Trong D, Weigel Scott J, Vroman Hilda B and Falkowski Joseph M developed the invention.
The patent application number is WO2025US41938 20250814. The patent publication num..
Oil & Gas
| Tue 24 Feb 2026
Geneva, Feb. 25 -- Chevron USA has sought patent for Expandable Gasket. This invention was developed by Darby Roy Jonathan.
The patent application number is WO2025US41844 20250813. The patent publication number is WO2026039546 (A1). International Patent Classification codes are F16J15/28, F16J15/32, F16L17/08 and F28F9/04.
An..
Oil & Gas
| Mon 23 Feb 2026
Beijing, Feb. 24 -- China Petroleum & Chemical and Sinopec Dalian Res Institute Petroleum & Petrochemicals Co Ltd have submitted a patent application for Catalyst Carrier Component for Catalyzing Oil Slurry Hydrogenation, Carrier and Preparation Method Thereof. This invention was developed by Liu Wenjie, Sui Baokuan, Zhang Qing..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- State Intellectual Property Office of China has received PetroChina patent application for Simulation Method and Device for Strike-slip Fracture Layering Deformation Process Based on Three-dimensional Discrete Element. Ma Debo, Yang Min, Li Changsheng, Wang Shan, Cao Yinghui and Guan Shuwei developed the inve..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 25 -- Shandong Hualu Hengsheng Chemical Industry Stock has submitted a patent application for Pipeline Gas Cooling Sleeve Device and Using Method. This invention was developed by Fu Lulu, Jing Xuesong, Qi Weiwei and Sheng Zhongshuai.
The patent application number is CN202510852201 20250624. The patent publicatio..
Oil & Gas
| Tue 24 Feb 2026
Geneva, Feb. 25 -- World Intellectual Property Organization has received Halliburton Energy Services patent application for Expandable Liner Hanger Having a Phase Change Material Support. Maddux Stephen Ross and Newton Daniel Craig developed the invention.
The patent application number is WO2024US45773 20240909. The patent publ..
Oil & Gas
| Tue 24 Feb 2026
Geneva, Feb. 25 -- Halliburton Energy Services has submitted a patent application for Monitoring Engine Oil Level and Quality for Well Systems. Ramos Gurjao Kildare George, Hill David Rand, Jamali Ghare Tape Shahab and Ray Baidurja developed the invention.
The patent application number is WO2024US44914 20240830. The patent publ..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- China University of Petroleum, East China has applied Chinese patent for General Preparation Method and Application of Amino Acid Intercalation Layered Hydroxide. Wang Jianye, Liu Siyuan and Zhang Xingheng developed it.
The patent application number is CN202510812852 20250618. The patent publication number i..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- Northeast Petroleum University has filed a patent application for Oxygen-flame Cutting Simulation Method. This invention was developed by Yu Haonan, Hu Zhijun, Han Yueze, Guo Chenglong, Xiong Bin, Wang Kaixuan and Gao Jian.
The patent application number is CN20251136130 20250726. The patent publication numbe..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- PetroChina has applied Chinese patent for Finite Element Simulation Method and Device for Strike-slip Fracture Layering Deformation Process. Ma Debo, Gao Jianrong, Chen Xiuyan, Yan Lei, Yang Min and Wang Yuan developed it.
The patent application number is CN202510541372 20250427. The patent publication numbe..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 25 -- China University of Petroleum, Beijing has filed a patent application for Sensible Heat-latent Heat Combined Heat Supply System Based on Solar Energy and Valley Electricity. This invention was developed by Luo Mengxi, Zhang Yongxue, Zhang Jinya, Zhu Jianjun, Wang Ke, Nie Yangbin and Liu Shuzhen.
The patent a..
Oil & Gas
| Tue 24 Feb 2026
Geneva, Feb. 25 -- Chevron USA has submitted a patent application for Cross-flow Filtration of Slurry Catalyst in a Petroleum-based Liquid Carrier. This invention was developed by Kou Bo, Yang Shuwu, Maesen Theodorus Ludovicus and Young Michelle.
The patent application number is WO2025US40828 20250806. The patent publication nu..
Oil & Gas
| Tue 24 Feb 2026
Geneva, Feb. 25 -- World Intellectual Property Organization has published ExxonMobil Technology and Engineering patent application for Co-processing of Used Lubricating Oil to Produce Group II/III Base Stocks. The invention was developed by Shah Meha H, Zielinski Christine A, Kim Jeenok T and Tran Caterina T.
The patent appli..
Oil & Gas
| Tue 24 Feb 2026
Geneva, Feb. 25 -- Chevron USA has submitted a patent application for Catalytic Cracking of Bio Feedstocks and Waste Plastics with Deactivated Phosphorus-containing ZSM-5 Catalyst. This invention was developed by Liu Tengfei, Schmidt Joel and Grove Richard.
The patent application number is WO2025US35349 20250626. The patent p..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 25 -- China University of Petroleum, East China has applied Chinese patent for Real-time Monitoring and Early Warning System for Stability of Deepwater Underwater Wellhead. Shan Enguang, Liu Xiuquan, Li Yanwei, Hu Xiaoyu, Zhang Heng, Gao Hongkun, Chang Yuanjiang and Chen Guoming developed it.
The patent applicatio..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 25 -- China University of Petroleum, Beijing has submitted a patent application for Shale Oil Resource Quantity Evaluation Method and Device Based on Temperature and Pressure Field Distribution Characteristics. This invention was developed by Huang Yue, Chang Jian, Qiu Nansheng, Li Chenxing, Sun Xianyao, Zhang Ze, ..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 25 -- State Intellectual Property Office of China has published China University of Petroleum, Beijing patent application for Carbon Dioxide Phase Change Fracturing Device. The invention was developed by Zhang Jingchen, Qiu Shixin, Zou Yushi, Guo Xiaodong, Xi Xiangrui and Xu Zhihan.
The patent application number i..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 25 -- PetroChina has submitted a patent application for Fracturing Method for Reducing Friction Composite Weighting. This invention was developed by Yang Zhanwei, Cai Bo, Feng Jueyong, Wang Liao, Gao Ying, Wang Liwei, Yang Shuai and Zhang Chaoyang.
The patent application number is CN202410541049 20240430. The pate..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 25 -- PetroChina has submitted a patent application for Self-adaptive Low-friction Polished Rod Sealer. This invention was developed by Liu Yanping, Cheng Changkun, He Xiang, Huang Xinwu, Zhao Menglong, Li Ji and Qiao Yongqing.
The patent application number is CN202410278134 20240312. The patent publication number..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 25 -- Northeast Petroleum University has submitted a patent application for Self-locking Type Multistage Helical Tooth Reducing Reamer While Drilling. This invention was developed by Zhao Haiyang, Hu Xiang, Xie Zhaoxu, Song Chengqian, Zhang Chenxi and Jiang Han.
The patent application number is CN20251191114 20250..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 25 -- State Intellectual Property Office of China has received China University of Petroleum, East China patent application for Intelligent Adaptive Vertical Drilling System Suitable for High-temperature Complex Geological Environment and Well Drilling Method. Liu Yongwang, Liu Xuan, Guan Zhichuan, Pan Qinghang and..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- State Intellectual Property Office of China has received China University of Petroleum, East China patent application for Method for Preparing High-quality Special Mesophase Pitch Material. Zhu Lijun, Bai Yan, Sun Yujie and Liu Shuo developed the invention.
The patent application number is CN202510730523 202..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- State Intellectual Property Office of China has released China University of Petroleum, East China patent application for 180 Deg C-resistant Microcapsule Type Cementing Wall-fixing Agent for Water-based Drilling Fluid as Well as Preparation Method and Application of Wall-fixing Agent. This invention was deve..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 25 -- State Intellectual Property Office of China has published China University of Petroleum, Beijing patent application for Method, Device and Equipment for Identifying Vulnerability of Circumferential Weld of High-steel-grade Pipeline. The invention was developed by Liu Xiaoben, Zhang Han, Li Xiaodan, Liu Zimeng..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 25 -- State Intellectual Property Office of China has released PetroChina patent application for Gas Lift Working Condition Probability Diagnosis Method Based on Sample Domain. This invention was developed by Lei Yu, Wang Wei, Wu Jian, Wang Zhensong, Lee Nam-sung, Wei Jikai, Gao Qiang, Zhang Feng, He Jiexin and Yan..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 25 -- State Intellectual Property Office of China has released Northeast Petroleum University patent application for Oil Extraction Screw Pump and Yield and Working Fluid Level Metering Method Based on Oil Extraction Screw Pump. This invention was developed by Yu Delong, Wang Suling, Wu Wenzhe, Zhao Yanqi, Yang Huk..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- China Petroleum & Chemical has submitted a patent application for Composition for Preparing Easy-to-tear Material, Easy-to-tear Material and Preparation Method of Easy-to-tear Material. This invention was developed by Yi Huijun, Zhang Qingyi, Ni Yongfeng, Wang Lin and Lu Ruiyao.
The patent application number..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- China Petroleum & Chemical has filed a patent application for Composition for Preparing Thin-film Material, Thin-film Material and Preparation Method and Application of Thin-film Material. This invention was developed by Yi Huijun, Zhang Qingyi, Ni Yongfeng, Wang Lin and Lu Ruiyao.
The patent application num..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- China University of Petroleum, East China has submitted a patent application for Hydrophobic-electrostatic Dual-mechanism Driven Shale Inhibitor for Stabilizing Deep Hard Brittle Mud Shale Borehole Wall as Well as Preparation Method and Application of Hydrophobic-electrostatic Dual-mechanism Driven Shale Inhi..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 24 -- China Petroleum & Chemical and Sinopec Dalian Res Institute Petroleum & Petrochemicals Co Ltd have filed a patent application for Residual Oil Hydrogenation Microbubble Generating Device. This invention was developed by Yang Zhijun, Wang Zhiwu, Liu Tiebin, Geng Xinguo and Yuan Shenghua.
The patent applicat..
Oil & Gas
| Mon 23 Feb 2026
Beijing, Feb. 24 -- China Petroleum & Chemical and Sinopec Beijing Chemical Research Institute Co Ltd have applied Chinese patent for Nitrogen-modified Carrier and Preparation Method Thereof, Nitrogen-modified Carrier-loaded Bimetallic Heterogeneous Catalyst and Preparation Method and Application of Nitrogen-modified Carrier-loa..
Oil & Gas
| Mon 23 Feb 2026
Beijing, Feb. 24 -- China Petroleum & Chemical and Sinopec Dalian Res Institute Petroleum & Petrochemicals Co Ltd have applied Chinese patent for Catalytic Slurry Oil Hydrogenation Catalyst and Preparation Method Thereof. Liu Wenjie, Yuan Shenghua, Sui Baokuan, Mu Fujun and Zhang Qingjun developed it.
The patent application n..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 24 -- China Petroleum & Chemical and Sinopec Petroleum Exploration & Prod Res Institute have submitted a patent application for Three-dimensional Fracture-cavity Type Oil Reservoir Acid Fracturing Flow Simulation Method and System Based on 3D Printing. This invention was developed by Kang Zhijiang, Zhang Yun, Zheng..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 24 -- China Petroleum & Chemical and Sinopec Dalian Res Institute Petroleum & Petrochemicals Co Ltd have submitted a patent application for Process Control Detection Device and Method for Producing Maleic Anhydride Through Butane Oxidation. This invention was developed by Liao Sha, Li Xiaoshu, Xue Dong, Wang Haibo ..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 24 -- Shenzhen Branch China National Offshore Oil and Offshore Oil Engineering have filed a patent application for Method for Oil-water Separator of Liquid Spraying Compressor. This invention was developed by Chen Wangui, Yu Tongchuan, Cao Yanyu, Zhang Xiaomin, Hua Dongyang, Fan Xuejun, Guo Zhicheng, Li Ruifu, Meng..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 24 -- China Petroleum & Chemical and Sinopec Dalian Res Institute Petroleum & Petrochemicals Co Ltd have submitted a patent application for Catalyst Grading Method for Producing Raw Material of Petroleum-based Carbon Material and Application of Catalyst Grading Method. This invention was developed by Guan Yueming, ..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 24 -- China Petroleum & Chemical and Sinopec Dalian Res Institute Petroleum & Petrochemicals Co Ltd have applied Chinese patent for Residual Oil Hydrotreating Catalyst Grading Method and Application Thereof. Guan Yueming, Zhang Cheng, Cao Kun, Yuan Shenghua and Wang Zhiwu developed it.
The patent application num..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 24 -- China Petroleum & Chemical and Sinopec Petroleum Exploration & Prod Res Institute have submitted a patent application for Deep Learning-based Rock Strawberry-shaped Pyrite Identification Method and System. This invention was developed by Gao Jian, Hu Zongquan, Li Shuangjian, Li Tianyi, Zhang Juntao and Lin Hu..
Oil & Gas
| Mon 23 Feb 2026
Beijing, Feb. 24 -- China Petroleum & Chemical and Sinopec Beijing Chemical Research Institute Co Ltd have sought patent for Metal Organic Framework/hydrogel Composite Material as Well as Preparation Method and Application Thereof. This invention was developed by Qi Liya, Hou Dandan, Wang Chunyao, Wang Yansen and Deng Jingqian.
..
Oil & Gas
| Mon 23 Feb 2026
Beijing, Feb. 24 -- China Petroleum & Chemical and Sinopec Beijing Chemical Research Institute Co Ltd have submitted a patent application for Hydrogel Composite Material, Suture-free Anti-swelling Ultrafine Particle Hybrid Tissue Patch as Well as Preparation Method and Application of Suture-free Anti-swelling Ultrafine Particle ..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 24 -- China Petroleum & Chemical and Sinopec Petroleum Exploration & Prod Res Institute have applied Chinese patent for Method and System for Evaluating Water Breakthrough Risk of Fault Karst Reservoir Production Well. Liu Hailong, Lin Huixi, Guo Yandong and Yang Min developed it.
The patent application number i..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 24 -- China University of Petroleum, East China and Shenyang University of Chemical Technology have submitted a patent application for Method for Predicting Pressure Characteristics of Multiphase Flow in Pipeline Based on Bubble Attention Mechanism. Meng Huibo, Yu Yanfang, Jiang Wenchun and Wang Dadian developed th..
Oil & Gas
| Mon 23 Feb 2026
Beijing, Feb. 24 -- Sinopec Oilfield Service and Sinopec Henan Petroleum Eng & Construction Co Ltd have sought patent for Low-pressure Pipeline Trepanning Branch Pipe Connector. This invention was developed by Chen Zizhen, Ma Zhijun, Han Weiliang, Li Tianwei, Wang Qingchuan and Li Xiaozhe.
The patent application number is CN2..
Oil & Gas
| Mon 23 Feb 2026
Munich, Feb. 24 -- Services Petroliers Schlumberger and Schlumberger Technology have sought patent for Active Resistivity Ranging While Drilling an Operational Well for Simultaneous Detection of Multiple Target Wells. This invention was developed by Lowdon Ross, Liang Lin, Salim Diogo and Chen Yong-hua.
The patent application..
Oil & Gas
| Mon 23 Feb 2026
Beijing, Feb. 24 -- Swimc and Chevron USA have sought patent for Elastomer Erosion Coating System. This invention was developed by Blank John M, Prance Robert, Smith Doug, Rutigliano Victoria, Zihowski Frank D, Mason Michael Kinter, Gente Brock M, Chaloner-gill Benjamin M, Hillman Peter V and Smith Steven C.
The patent applic..
Oil & Gas
| Mon 23 Feb 2026
Beijing, Feb. 24 -- China Petroleum & Chemical and Sinopec Dalian Res Institute Petroleum & Petrochemicals Co Ltd have submitted a patent application for Catalyst for Preparing Gamma-butyrolactone Through Hydrogenation of Dimethyl Maleate as Well as Preparation Method and Application of Catalyst. This invention was developed by ..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 24 -- China Petroleum & Chemical and East China Oil & Gas Branch China Petroleum & Chemical have filed a patent application for Quantitative Evaluation Method for Multi-element Earthquake Excitation Receiving Observation System. This invention was developed by Xue Ye, Zhao Sucheng, Lan Jiada, Yang Fan, Meng Qingli ..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 24 -- China Petroleum & Chemical and Sinopec Petroleum Exploration & Prod Res Institute have filed a patent application for Complex Lithology Identification Method and Device, Electronic Equipment and Storage Medium. This invention was developed by Du Chongjiao, Zhai Changbo, Peng Jinning, Deng Mo, Li Longlong and ..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 24 -- China Petroleum & Chemical and Sinopec Petroleum Exploration & Prod Res Institute have applied Chinese patent for Method and Device for Predicting Cave Type Reservoir Bodies in Carbonate Rock Stratum. Zhang Chi, Chu Chenglin, Ma Yuchun, Zhang Yong, Guo Jiaqi and Wang Zhendong developed it.
The patent appli..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 24 -- China Petroleum & Chemical and Sinopec Petroleum Exploration & Prod Res Institute have submitted a patent application for Knowledge Mining Technology-based Efficient Fractured-vuggy Reservoir Knowledge Management System and Method. This invention was developed by Zhang Yun, Qi Yanping, Kang Zhijiang and Zheng..
Oil & Gas
| Wed 25 Feb 2026
Beijing, Feb. 25 -- Changzheng Engineering has sought patent for Heat Recovery Gasification System. This invention was developed by Ding Jianping, Ma Lin, Zhang Jun, Peng Shu and Kurinami.
The patent application number is CN202410280379 20240312. The patent publication number is CN120624065 (A). International Patent Classific..
Oil & Gas
| Tue 24 Feb 2026
Beijing, Feb. 25 -- State Intellectual Property Office of China has received Shaoxing University patent application for Differential Spectroacoustic Gas Sensing System Based on Cross-correlation Demodulation. Guo Min, Yang Beilei, Wang Yifan, Gao Yuan and Zhuo Lifei developed the invention.
The patent application number is CN..
Oil & Gas
| Mon 23 Feb 2026
Munich, Feb. 24 -- Services Petroliers Schlumberger and Schlumberger Technology have submitted a patent application for Interference Compensated Cross-axial Magnetometer Measurements. This invention was developed by Katayama Makito and Richards Edward.
The patent application number is EP20240804171 20240508. The patent public..
Oil & Gas
| Mon 23 Feb 2026
Munich, Feb. 24 -- Services Petroliers Schlumberger and GeoQuest Systems have submitted a patent application for Water Bed Seismic Imaging Using Water Pressure Denoising. This invention was developed by Kristiansen Paal, Sokolowski Federico Eugenio and Waluyo Andreas Tyasbudi.
The patent application number is EP20240800605 20..
Oil & Gas
| Mon 23 Feb 2026
Munich, Feb. 24 -- Services Petroliers Schlumberger and Schlumberger Technology have submitted a patent application for Systems and Methods for Determining Real-time Performance of Coiled Tubing Cleanout Operations. Tardy Philippe Michel Jacques and Kotlyar Lev Andreevich developed the invention.
The patent application number..
Oil & Gas
| Mon 23 Feb 2026
Munich, Feb. 24 -- Services Petroliers Schlumberger and Schlumberger Technology have submitted a patent application for Cuttings Treatment Using Chemically Enhanced Cavitation. Karoum Reda, Young Steven Philip, Okhrimenko Albert, Falgout Clint and Urbano Pena Suzett developed the invention.
The patent application number is EP..
Oil & Gas
| Mon 23 Feb 2026
Munich, Feb. 24 -- Services Petroliers Schlumberger and GeoQuest Systems have submitted a patent application for Assessing Curability in Lost Circulation Events. This invention was developed by Guillot Valerian, Corona Mauricio, Karpfinger Florian and Ruzhnikov Alexey.
The patent application number is EP20240723656 20240405. ..
Oil & Gas
| Mon 23 Feb 2026
Beijing, Feb. 24 -- PetroChina and China University of Petroleum, Beijing have submitted a patent application for High-dispersion Zn-based ZSM-5 Molecular Sieve Catalyst, Preparation Method Thereof and C4-8 Alkane Catalytic Cracking Method. This invention was developed by Jiang Guiyuan, Zhang Zhongdong, Wang Ruipu, Li Yuming, Xu..
Oil & Gas
| Mon 23 Feb 2026
Beijing, Feb. 24 -- China Petroleum & Chemical and Sinopec Beijing Chemical Research Institute Co Ltd have submitted a patent application for Co-based Heterogeneous Catalyst as Well as Preparation Method and Application Thereof. This invention was developed by Li Mingjie, Liang Aimin, Ren Xingtao, Wu Chunhong, Gao Dameng, Wu Kai..
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