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Oil & Gas
| Sat 25 Apr 2026
Alexandria, April 25 -- U.S. Patent and Trademark Office has awarded a patent to Saudi Arabian Oil Company for Using Two or More Pressure Regulators in Series as a Flow Regulator. Abuhadi Basil S, Azmi Mutlaq F and Parra Carlos Javier developed the invention.
The patent application number is US202318487678 20231016. The patent ..
Oil & Gas
| Sat 25 Apr 2026
Alexandria, April 25 -- U.S. Patent and Trademark Office has awarded a patent to Halliburton Energy Services for Intelligent Bit Design. Atkins William Brian, Sungkorn Radompon and Pierce Michael Stephen developed the invention.
The patent application number is US201917595104 20190610. The patent publication number is US1260852..
Oil & Gas
| Sat 25 Apr 2026
Alexandria, April 25 -- U.S. Patent and Trademark Office has awarded a patent to Schlumberger Technology for Systems and Methods for Well Document Extraction. Reisdorf Andrew, Moscardi Eric and Weir Ashley developed the invention.
The patent application number is US202418817508 20240828. The patent publication number is US12608..
Oil & Gas
| Fri 24 Apr 2026
Alexandria, April 25 -- Halliburton Energy Services has been awarded a patent for Superconducting Cables for Electrical Submersible Pump Motors. This invention was developed by Mansir Hassan and De Long Robert Charles.
The patent application number is US202318535374 20231211. The patent publication number is US12609217 (B2). In..
Oil & Gas
| Fri 24 Apr 2026
Alexandria, April 25 -- Baker Hughes Oilfield Operations has been awarded a patent for Bi-directional Wellhead Annulus Packoff with Integral Seal and Hanger Lockdown Ring. This invention was developed by Cheng Samuel, Zhang Xichang and Patel Prashant.
The patent application number is US202318512909 20231117. The patent publicat..
Oil & Gas
| Fri 24 Apr 2026
Alexandria, April 25 -- Halliburton Energy Services has been awarded a patent for Starting and Stopping Frac Pumps. This invention was developed by Lucas Bruce Carl, Hunter Timothy Holiman, Hudson Mark A, Bull Brad Robert and Kohli Madhur.
The patent application number is US202418429010 20240131. The patent publication number i..
Oil & Gas
| Sat 25 Apr 2026
Oslo, April 25 -- Vetco Gray Scandinavia AS has sought patent for Shutter Mechanism for a Subsea Basket. This invention was developed by Karlsen Morten and Odden Kim Halling.
The patent application number is NO20150001542 20151105. The patent publication number is NO20151542 (A1). International Patent Classification code is B63..
Oil & Gas
| Sat 25 Apr 2026
Oslo, April 25 -- Hydril USA Distribution has sought patent for High Pressure Subsea Blowout Preventer System. This invention was developed by Judge Robert Arnold, Holmes John Steven, Milliman Douglas, Huerta Luis E, Larson Eric Dale, Gillette Gregory Ronald and Shah Viral.
The patent application number is NO20170000552 2017040..
Oil & Gas
| Fri 24 Apr 2026
Oslo, April 25 -- Schlumberger Technology has sought patent for Improvements in or Relating to Morphing Tubulars. This invention was developed by Thomson Neil and Martin David Glen.
The patent application number is NO20170000561 20170405. The patent publication number is NO20170561 (A1). International Patent Classification code..
Oil & Gas
| Fri 24 Apr 2026
Oslo, April 25 -- Halliburton Energy Services has sought patent for Adjustable Acoustic Transducers for a Downhole Tool. This invention was developed by Nguyen Minh Dang.
The patent application number is NO20170000688 20170425. The patent publication number is NO20170688 (A1). International Patent Classification codes are E21B4..
Oil & Gas
| Fri 24 Apr 2026
Oslo, April 25 -- Halliburton Energy Services has sought patent for Attribute-indexed Multi-instrument Logging of Drill Cuttings. This invention was developed by Hu Dandan.
The patent application number is NO20170000654 20170420. The patent publication number is NO20170654 (A1). International Patent Classification codes are E21..
Oil & Gas
| Fri 24 Apr 2026
Oslo, April 25 -- Halliburton Energy Services has sought patent for Mud Pulse Telemetry Using Gray Coding. This invention was developed by Barak Ehud.
The patent application number is NO20170000695 20170426. The patent publication number is NO20170695 (A1). International Patent Classification codes are E21B47/12 and E21B47/18. ..
Oil & Gas
| Sat 25 Apr 2026
Rijswijk, April 25 -- Halliburton Energy Services has sought patent for Downhole Telemetry Systems and Methods. This invention was developed by Daniel Joshua Stark, John L Maida and David Andrew Barfoot.
The patent application number is NL20161041997 20160726. The patent publication number is NL1041997 (A). International Patent..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 25 -- State Intellectual Property Office of China has released Entegris patent application for Ion Implantation Systems and Related Methods. This invention was developed by Tang Ying, Despres Joseph R, Harris Neil and Jones Edward E.
The patent application number is CN20248029056 20240507. The patent publication ..
Oil & Gas
| Sat 25 Apr 2026
Oslo, April 25 -- Norwegian Industrial Property Office has released Baker Hughes patent application for Subterranean Screen Assembly Manufacturing Method. This invention was developed by Koli Jai K and Simoneaux Don N.
The patent application number is NO20170000609 20170410. The patent publication number is NO20170609 (A1). Int..
Oil & Gas
| Sat 25 Apr 2026
Oslo, April 25 -- Norwegian Industrial Property Office has released Halliburton Energy Services patent application for Valve for Use with Downhole Tools. This invention was developed by Dockweiler David Allen.
The patent application number is NO20170000546 20170403. The patent publication number is NO20170546 (A1). Internationa..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 25 -- Baker Hughes Oilfield Operations has submitted a patent application for System and Method for Connecting Load-bearing Esp Power Cables. This invention was developed by O 'grady Kevin, Hoins Jonathan and Cookson Andrew.
The patent application number is CN20248030213 20240515. The patent publication number is..
Oil & Gas
| Fri 24 Apr 2026
Oslo, April 25 -- Halliburton Energy Services has submitted a patent application for Devices and Methods for Filtering Pump Interference in Mud Pulse Telemetry. This invention was developed by Barak Ehud and Zhang Yumin.
The patent application number is NO20170000686 20170425. The patent publication number is NO20170686 (A1). I..
Oil & Gas
| Fri 24 Apr 2026
Oslo, April 25 -- Halliburton Energy Services has submitted a patent application for Downhole State-machine-based Monitoring of Vibration. This invention was developed by Moore James Wilson.
The patent application number is NO20170000700 20170427. The patent publication number is NO20170700 (A1). International Patent Classifica..
Oil & Gas
| Fri 24 Apr 2026
Oslo, April 25 -- Baker Hughes has submitted a patent application for Expandable Support Ring for Packing Element Containment System. This invention was developed by Conner Nicolas S, Anderson Gary L, Maenza Frank J and Castro Adrian R.
The patent application number is NO20170000554 20170404. The patent publication number is NO..
Oil & Gas
| Sat 25 Apr 2026
Oslo, April 25 -- Schlumberger Technology has submitted a patent application for Coring Bit to Whipstock Systems and Method. This invention was developed by Utter Robert, Campbell John, Swadi Shantanu N, Dewey Charles and Desai Praful C.
The patent application number is NO20150000763 20150611. The patent publication number is N..
Oil & Gas
| Thu 23 Apr 2026
Beijing, April 24 -- China University of Petroleum, East China has submitted a patent application for Transform-based GPR Image Clutter Removal Method. Song Huajun and Sun Guochao developed the invention.
The patent application number is CN202511656967 20251113. The patent publication number is CN121120425 (A). International ..
Oil & Gas
| Thu 23 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has published China Nat Offshore Oil Corp and Beijing Res Center CNOOC China Co Ltd patent application for Determination Method, Device, Equipment and Medium for Content of Adsorbed Water of Sediment Clay. The invention was developed by Tian Lixin, Zhu Zhenyu, Wu K..
Oil & Gas
| Thu 23 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has published China Petroleum & Chemical and Sinopec Petroleum Engineering Tech Research Institute Co Ltd patent application for Method and Device for Evaluating Tight Sandstone Gas Reservoir Acidification Unblocking Liquid. The invention was developed by Shi Bingz..
Oil & Gas
| Thu 23 Apr 2026
Beijing, April 24 -- Sanya Ocean Oil and Gas Research Institute Northeast Petroleum Univ has submitted a patent application for Plasmon Sensor for Water Quality Monitoring, Sensing System and Application. This invention was developed by Liu Wei, Lyu Chuanlong, Liu Chao, Huang Jiawei, Liu Fujin, Lyu Jingwei and Liu Qiang.
The ..
Oil & Gas
| Thu 23 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has received Guangzhou Luftmy Intelligent Tech Co Ltd patent application for Carbon Dioxide Sensing System. Jiang Fang and Hu Peiyi developed the invention.
The patent application number is CN202511199851 20250826. The patent publication number is CN121113925 (A..
Oil & Gas
| Thu 23 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has released Oil & Gas Survey CGS patent application for Sample Structure and Test Method for Researching Progressive Destruction Process of Solid Material. This invention was developed by Sun Yiming, Dong Shiming, Lu Cheng, Wang Yufang, Li Shouding and Li Xiao.
..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has released Tongyi Petroleum Chemical Co Ltd patent application for Natural Gas Engine Oil and Preparation Method Thereof. This invention was developed by Liu Zhongqiang, Song Entao and Sun Huanhuan.
The patent application number is CN202511322499 20250916. The..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- Jiangsu Hengxie Machinery Co Ltd has applied Chinese patent for Oil-water-gas Separation Device in Oil Exploitation. Tang Xingxing developed it.
The patent application number is CN202511645937 20251111. The patent publication number is CN121109026 (A). International Patent Classification codes are B01D29/..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has released Shandong Deshunyuan Petroleum Sci and Tech Co Ltd patent application for Polyacrylamide-containing Oil Displacement Agent and Preparation Method Thereof. This invention was developed by Wang Shuyong, Sun Mingzi, Zang Yungang and Kang Naijing.
The pa..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has published CNPC Bohai Drilling Engineering and China National Petroleum patent application for Water-in-oil Drilling Fluid with Temperature and Pressure Synergistic Thickening Effect and Application. The invention was developed by Chen Weijie, Tang Xiaoming, Zha..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has received China Oilfield Services patent application for Emulsifying Wetting Agent, Non-water-based Drilling Fluid Containing Emulsifying Wetting Agent and Preparation Method. Sun Qiang, Geng Tie, Luo Jiansheng, Xia Xiaochun, Tang Yulin and Liu Weili developed t..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has released China National Petroleum and CNPC Chuanqing Drilling Engineering patent application for High-temperature-resistant Completion Fluid Viscosity-shear Improving Agent Based on Covalent Bond-secondary Bond Double Bond Cooperation and Preparation Method of ..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- Southwest Petroleum University has submitted a patent application for Plugging Agent Based on Adamantane-terminated Block Copolymer and Cyclodextrin Subject-object Assembly and Preparation Method Thereof. He Jianing, Bai Yang, Gu Deng, Hu Qiang, Li Xinrong and Bai Yi developed the invention.
The patent ap..
Oil & Gas
| Thu 23 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has received Shenzhen Branch China National Offshore Oil and Cnooc Deepwater Dev Ltd patent application for Glutenite Reconstruction Prediction Permeability Numerical Simulation Calculation Method Based on Two-dimensional Image and Computer Readable Storage Medium...
Oil & Gas
| Thu 23 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has published China Petroleum & Chemical and China Petroleum & Chemical Corp Jiangsu Oilfield Branch patent application for Conversion Method and System for Different Coordinate Systems. The invention was developed by Wang Zhijie, Guan Wenhua, Yang Pengcheng, Pang ..
Oil & Gas
| Thu 23 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has published Jiangsu Guoping Oil Technnology Co Ltd patent application for Sampling Device for Lubricating Oil Production. The invention was developed by Jiang Shenlei and Tan Qianjun.
The patent application number is CN202511113692 20250811. The patent publica..
Oil & Gas
| Thu 23 Apr 2026
Beijing, April 24 -- Baoding Daheng Electric Tech Co Ltd has submitted a patent application for Insulating Oil Dielectric Loss Test System Based on Temperature Compensation. This invention was developed by Huo Yongqiang and Lu Zhenyu.
The patent application number is CN202511342528 20250919. The patent publication number is C..
Oil & Gas
| Thu 23 Apr 2026
Beijing, April 24 -- Changchun Gold Design Institute Co Ltd has submitted a patent application for Underground In-situ Hydrogen Production Potential Evaluation Method Based on Water-rock Reaction. This invention was developed by Wang Jin and Zhang Jinming.
The patent application number is CN202511470045 20251015. The patent p..
Oil & Gas
| Thu 23 Apr 2026
Beijing, April 24 -- Hebei Shengtai Core Material Tech Co Ltd has submitted a patent application for Gas Sampling Analysis Monitoring System, Method and Equipment. This invention was developed by Zhou Guiming, Liu Hao and Chang Liheng.
The patent application number is CN202511436855 20251009. The patent publication number is ..
Oil & Gas
| Thu 23 Apr 2026
Beijing, April 24 -- Beijing Yitongyu Tech Co Ltd has submitted a patent application for Intelligent Sensing Monitoring System for SF6 Equipment Gas Supply Control. This invention was developed by Du Jianfeng.
The patent application number is CN202511304546 20250912. The patent publication number is CN121114345 (A). Internati..
Oil & Gas
| Fri 24 Apr 2026
Kuala Lumpur, April 24 -- Welltec has been granted a patent for Downhole Machining System and Method. This invention was developed by Andersen Tomas Sune.
The patent application number is MY2015PI02768 20140613. The patent publication number is MY192010 (A). International Patent Classification codes are B23C3/00, B23D45/12, E..
Oil & Gas
| Thu 23 Apr 2026
Beijing, April 24 -- Shanghai Insbaker Commodity Inspection Co Ltd has sought patent for Method for Detecting Content of Methylal in Gasoline. This invention was developed by Liu Bin, Zhang Youjun, Cao Xiaodong and Yang Tingting.
The patent application number is CN202511293387 20250911. The patent publication number is CN1211..
Oil & Gas
| Thu 23 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has received Shenzhen Ytxny Environmental Protection & Tech Company Ltd patent application for Device for Detecting Cracks on Inner Surface of Energy Pressure Vessel. Deng Zhiyou and Long Jianfeng developed the invention.
The patent application number is CN20251..
Oil & Gas
| Fri 24 Apr 2026
Kuala Lumpur, April 24 -- Halliburton Energy Services has been granted a patent for Junction-conveyed Completion Tooling and Operations. Steele David J and Stokes Matthew B developed the invention.
The patent application number is MY2016PI704497 20140728. The patent publication number is MY191771 (A). International Patent Cla..
Oil & Gas
| Fri 24 Apr 2026
Kuala Lumpur, April 24 -- Benit M Co Ltd has secured a patent on Gas Distribution Device and Method for Adjusting Gas Distribution Ratio. Kang Ki-joon developed the invention.
The patent application number is MY2018PI01331 20170117. The patent publication number is MY191749 (A). International Patent Classification codes are B..
Oil & Gas
| Fri 24 Apr 2026
Kuala Lumpur, April 24 -- Yamamoto Electric Works Co Ltd has been granted a patent for Gas Mixer. Kazuo Shibata developed the invention.
The patent application number is MY2017PI704433 20161020. The patent publication number is MY192058 (A). International Patent Classification codes are F16K31/128, F16K31/165, F16K31/365 and ..
Oil & Gas
| Thu 23 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has published China Petroleum & Chemical and Sinopec Petroleum Engineering Tech Research Institute Co Ltd patent application for Intelligent Diagnosis and Prediction Method and Device for Faults of Logging Instrument. The invention was developed by Xie Guanbao, Wu ..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has published Jiangsu Guanggang Gas Jingshen Small Molecular Storage Gas Co Ltd patent application for Method and System for Purifying and Liquefying Helium in Salt Cavern. The invention was developed by Liu Xianlin, Xu Gaopo and Zhong Xiaoyu.
The patent applica..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- Changzhou Chemical Design Inst Co Ltd has applied Chinese patent for Heat Conduction Oil Cooling Process. Tian Feng, Wan Jiawen and Liu Jianping developed it.
The patent application number is CN202511307314 20250913. The patent publication number is CN121112608 (A). International Patent Classification cod..
Oil & Gas
| Fri 24 Apr 2026
Kuala Lumpur, April 24 -- Halliburton Energy Services has secured a patent on Gravel Packing Apparatus Having a Jumper Tube Protection Assembly. Least Brandon Thomas and Cunningham Gregory Scott developed the invention.
The patent application number is MY2019PI04358 20121018. The patent publication number is MY191667 (A). Int..
Oil & Gas
| Fri 24 Apr 2026
Kuala Lumpur, April 24 -- Welltec has secured a patent on Downhole Operational Tool. Andersen Tomas Sune developed the invention.
The patent application number is MY2018PI01888 20170606. The patent publication number is MY192025 (A). International Patent Classification codes are E21B23/01, E21B29/00 and E21B43/112. Cooperativ..
Oil & Gas
| Fri 24 Apr 2026
Kuala Lumpur, April 24 -- Halliburton Energy Services has secured a patent on Collapsible Cone for an Expandable Liner Hanger System. Kohn Gary Allen and Moreno Carlos Alberto developed the invention.
The patent application number is MY2018PI01197 20160229. The patent publication number is MY192016 (A). International Patent C..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has released China Petroleum & Chemical and SINOPEC Engineering (Group) patent application for Thermal Insulation Project Quality Evaluation Method, Device and System and Storage Medium. This invention was developed by Su Yaolun, Gao Jiansong, Lee Gu-joong, Zhou Ti..
Oil & Gas
| Thu 23 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has received PetroChina and China Huanqiu Contracting & Engineering patent application for Capacity Design and Scheduling Optimization Method and Device Applied to Green Fuel System. Wu Yan, Tang Shuo, Chen Shengbin, Bian Siying, Jiang Yong, Ma Mingyan, Sun Changge..
Oil & Gas
| Thu 23 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has received PetroChina and Xinjiang Tarim Petroleum Explor and Development Headquarters Co Ltd patent application for Method and Device for Determining Well Bore Structure Based on Geological Risk. Li Ning, Luo Xuwu, Zhou Bao, Wang Xiaoliang, Feng Shaobo, Zhang Zh..
Oil & Gas
| Thu 23 Apr 2026
Beijing, April 24 -- CNOOC Energy Tech & Services Oil Production Services Co and CNOOC Energy Technology & Services have filed a patent application for Fpso Slip Ring Multifunctional Test Bench. This invention was developed by Li Mu, Qi Xiaoliang, Zhang Baolei, Zhang Lin, Jin Conglin, Liu Xuetao, Wei Xiaoqiang, Wang Kun, Liu Jia..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- Zhongke Fuhai Tech Co Ltd and Xi'an Jiaotong University have submitted a patent application for Sealing Structure Suitable for Low-temperature Liquid Hydrogen Pump and Low-temperature Liquid Hydrogen Pump. Xu Peng, Zhao Baohan, Ren Xingdong, Zhang Chunxia, Wang Qingqing and Lin Qiang developed the invention...
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has received Hebei Vocational and Technical Univ Of Petroleum patent application for Noise Reduction Oil Pump. Li Xiaojing, Zhang Yingbo and Wang Linshang developed the invention.
The patent application number is CN202511329769 20250917. The patent publication n..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- Drums Of Daqing Petroleum Tech Co Ltd has submitted a patent application for Digital Skid-mounted Pressurizing Injection Device. Li Jinbao, Liu Qingshan, Cui Guochao, Hui Binbin, Liu Zilong and Jiang Bin developed the invention.
The patent application number is CN202511594254 20251103. The patent publicat..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- Langfang Chenyu Gas Co Ltd has submitted a patent application for Biogas Blending Control Method and System. This invention was developed by Zheng Wen, Chen Feng and Jia Zhijie.
The patent application number is CN202511317484 20250916. The patent publication number is CN121111499 (A). International Patent..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has published Petrochina Shanghai New Materials Res Institute Co Ltd and PetroChina patent application for Nickel Complex and Preparation Method Thereof, Catalyst Composition and Application Thereof, and Ethylene and Alpha-olefin Copolymerization and Ethylene Homop..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has published China Petroleum & Chemical and Sinopec Nanjing Chemical Ind Co Ltd patent application for Intelligent Identification Bill Processing Method and System. The invention was developed by Chu Xuming, Zhao Junyong, Li Haitao, Liu Daimei, Ling Wei and Bao Re..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- Cama Luoyang Gas Supply has filed a patent application for Automatic Double-station Inflation Device for Spherical Gas Cylinder. This invention was developed by Zhu Yibo, Lin Legang, Liu Huijie and Qin Ping.
The patent application number is CN202511368078 20250924. The patent publication number is CN12111..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- Yantai Digital City Man Service Center Yantai City Public Utilities Service Center has submitted a patent application for Pipeline Positioning Device for Gas Engineering. This invention was developed by Ju Xiufeng.
The patent application number is CN202511590862 20251103. The patent publication number is ..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has published Chongqing Xiaokang Power patent application for Oil-gas Separator and Crankcase Ventilation System. The invention was developed by Wang Hao, Lian Yuan, Tang Derun, Xia Xiuliu and Li Can.
The patent application number is CN202511381895 20250925. The..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- China Nat Offshore Oil Corp and Cnooc Res Inst Co Ltd have applied Chinese patent for Hydrate Multi-gas Commingling Production Shaft Multiphase Flow Simulation Experiment System and Method. He Yufa, Zhou Shouwei, Fu Qiang, Weiner, Chen Yu, Li Cong, Pang Weixin, Li Qingping, Zhou Yunjian, Zhu Junlong, Wang Yi..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- Southwest Petroleum University has filed a patent application for Oil and Gas Well Leakage Point Monitoring Simulation Experiment Device and Method. This invention was developed by Luo Hongwen, Chen Bingqi, Li Haitao, Zhao Zihan, Li Qi, Lyu Han, Zuo Kai, Zhang Xiliang, Ji Yinghao and Huang Zhen.
The paten..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- China Nat Offshore Oil Corp and CNOOC Tianjin Branch have applied Chinese patent for Method for Evaluating Production Pressure Difference of Vertical Well/directional Well Suitable for Casing Perforation Well Completion. Han Yaotu, Wang Kongyang, Zhang Shuai, Zhang Hui, Gong Ning, Xu Tao, Li Jin, Hu Jinyang,..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- China Oilfield Services has submitted a patent application for Quality Control Method and Device for Logging-while-drilling Data and Computing Equipment. This invention was developed by Liu Tianlin, Li Guoyu, Shang Jie, Yue Xizhou, Fan Wei, Wang Geluyi, Zhang Jiawei, Ma Mingxue, Zhang Pengyun and Zhang Xiang..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- China National Petroleum and CNPC Greatwall Drilling have filed a patent application for Sleeve Windowing Direction Measuring Method. This invention was developed by Sun Liwei, Zhao Zhan, Shi Hongyan, Dong Wei, Bai Dongqing, Shi Lianhai, Yu Jinglun, He Yongkui, Deng Xu, Chen Zhengang, Kong Dongliang, Hu Jing..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- Xi'an Likan Petroleum Energy Tech Co Ltd has submitted a patent application for Kinetic Analysis System of Rotary Steerable Drilling System. This invention was developed by Liu Jiali.
The patent application number is CN202511665984 20251114. The patent publication number is CN121111222 (A). International ..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has received China Petroleum & Chemical and Sinopec Northwest Oil Field patent application for Device and Method for Simulating Fluid Displacement of Broken-solution Reservoir. Zhao Bing, Luo Pandeng, Huang Yanfei, Fang Haoqing, Hou Fan and Cai Jiguang developed th..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- Nanjing Nanda Digital Tech Co Ltd has filed a patent application for Underground Injection-production Equipment for Oil Exploitation. This invention was developed by Li Hantao, Xia Ying, Huang Chunhai and Yu Ning.
The patent application number is CN202511596268 20251104. The patent publication number is C..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- Qingdao Rongzhi Petroleum Energy Dev Co Ltd has submitted a patent application for Method for Increasing Yield of Low-permeability Reservoir by Utilizing Condensate Gas Headspace Gas. This invention was developed by Wang Yingxin.
The patent application number is CN202511603002 20251104. The patent publica..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has received Huaneng Clean Energy Res Institute and Huaneng Qingyang Coal and Electricity patent application for Method and Device for Displacing Natural Gas by Carbon Dioxide. Zhang Jian, Wang Dalong, Liu Lianbo, Gao Wen, Zhao Wentao, Liu Zhiwen, Yuan Haowei and X..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has released Schlumberger Changhe Oilfield Eng Ltd patent application for Intelligent Foaming Agent Filling Mechanism for Gas Collecting Pipeline. This invention was developed by Xie Yundong, Jiao Xuding, Du Liang, Wang Junfeng, Wang Yunlong, Liang Jinjie, Gao Quan..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- Yancheng Xinyongjia Petroleum Machinery Mfg Co Ltd has submitted a patent application for Oscillation Impact Screw Drill for Coiled Tubing. This invention was developed by Li Guangyong, Ding Feng, Deng Fucheng, Zhang Jinzhou, Xu Yonghe, Sun Zehua, Liu Huawen and Wang Tao.
The patent application number is ..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has received Southwest Petroleum University, Nantong Xieming Tech Co Ltd and Sichuan Xieming Tech Co Ltd patent application for Electro-hydraulic Ball Rail Fracturing Sliding Sleeve. Tian Jialin, Lei Xin, Yang Lin, Ran Long and Zeng Yongchao developed the invention..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has released PetroChina and Xinjiang Tarim Petroleum Explor and Development Headquarters Co Ltd patent application for Well Cementation Method and Device for Sawtooth-shaped Deep Well Hole. This invention was developed by Luo Xuwu, Feng Shaobo, Liu Jinlu, Zhang Zhi..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has received Dongying Jinwang Petroleum Machinery Mfg Co Ltd patent application for Intelligent Compression Packer with Pressure Monitoring Function. Liu Chao, Liu Zhenzhen and Liu Yanru developed the invention.
The patent application number is CN202511660817 20..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- CNPC Bohai Drilling Engineering and China National Petroleum have submitted a patent application for Hydraulic Self-feedback Repeatable Setting Packer. This invention was developed by Zhang Lina, Tang Xiaoming, Zhang Heng, Yu Xueliang, Wang Jinshuai, Zhou Honglin, Cheng Lin and Jiang Fei.
The patent appli..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- China National Petroleum and CNPC Xibu Drilling Eng Co Ltd have submitted a patent application for Forced Deblocking Water Injection Packer, Multi-stage Packer Water Injection Tubular Column and Working Method. This invention was developed by Liu Shencheng, Liang Huaxin, Deng Yonggang, Hu Yu, Gao Tao, Dang G..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- China National Petroleum and CNPC Chuanqing Drilling Engineering have applied Chinese patent for Enhanced Self-expansion Packer and Rubber Barrel Glue Injection Device and Process Thereof. Yang Liuqing, Zeng Xin, Peng Cancan, Zhao Han, Zhang Yichao and Zhang Xiwen developed it.
The patent application numb..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- China National Petroleum and CNPC Engineering Tech R & D Co Ltd have sought patent for Releasing Tool. This invention was developed by Han Fei, Luo Yong, Qiao Han, Zhang Yanping, Cheng Jin, Hu Zhijian, He Kun and Wang Aiguo.
The patent application number is CN202410743234 20240611. The patent publication ..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- Xinjiang Petroleum Administration Bureau Co Ltd and China National Petroleum have applied Chinese patent for Coiled Tubing Drilling Centralizing Device and Method. Sun Changyou, Zhao Zewang, Abulimiti Abib, Gu Shichao, Zhang Jingfeng, Wang Haixu and Zhang Xiaocai developed it.
The patent application numbe..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- Southwest Petroleum University has submitted a patent application for Ultrahigh-temperature-resistant and High-pressure-resistant Dynamic Sealing Structure. This invention was developed by Liu Huang, Huang Hao, Guo Ping, Wang Haohan, Li Qingping and Ren Yuxi.
The patent application number is CN20251134191..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- Harbin Bearing Mfg Co Ltd has submitted a patent application for Rotational Flow Oil-gas Lubrication Bearing. This invention was developed by Liu Jinyu, Li Manchang, Wang Xin, Li Yan, Gou Huili and Li Xingyu.
The patent application number is CN202511485759 20251017. The patent publication number is CN1211..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- Huaneng Jingtai Thermal Power has filed a patent application for Hydraulic Oil Station Fault Diagnosis Method and System Based on Multi-mode Monitoring. This invention was developed by Liu Wanfu, Wang Haiyang, Ma Yulong, Chen Hongze and Chen Bingshan.
The patent application number is CN202511108747 202508..
Oil & Gas
| Thu 23 Apr 2026
Beijing, April 24 -- China Nat Offshore Oil Corp and Cnooc Res Inst Co Ltd have submitted a patent application for Clastic Rock High-quality Reservoir Identification Method Based on Rotation Coordinate Transformation. This invention was developed by Ni Jun'e, Zhang Yuqing, Wang Xinglong, Wang Junjie, Zhong Qinwan, Wang Runheng, ..
Oil & Gas
| Thu 23 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has received Shaanxi Yanchang Petroleum Group patent application for Dynamically Weighted Time-frequency Electromagnetic-earthquake Fusion Oil and Gas Detection Method. Li Ziliang, He Yonghong, Kurateru, Bai Xiaoyin, Chen Zhijun, Du Weiwei, Zhang Liyuan, Bu Xiaoyan..
Oil & Gas
| Thu 23 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has received Colchis Petroconsulting Beijing Co Ltd patent application for Seismic Forward Modeling Method Based on Oil Reservoir Parameters. Liu Yi, Meiji Ryo and Lu Mengdie developed the invention.
The patent application number is CN202511209592 20250827. The ..
Oil & Gas
| Thu 23 Apr 2026
Beijing, April 24 -- Southwest Petroleum University and Chengdu Hongruibo Tech Co Ltd have submitted a patent application for Magnetic Target Boundary Identification Method and System Based on Magnetic Gradient Tensor. This invention was developed by Wang Qijun and Zhou Rui.
The patent application number is CN202511267789 202..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- Sinoma Beijing Geothermal Energy Tech Ltd has filed a patent application for Well Drill. This invention was developed by Meng Zhaoqian, Zhang He and Liu Wenting.
The patent application number is CN202511475207 20251015. The patent publication number is CN121111113 (A). International Patent Classification ..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- Fuxin Zhongqing Innovation Tech Co Ltd has filed a patent application for Condensate Water Recovery Process of Water Electrolysis Hydrogen Production System. This invention was developed by Li Shihong.
The patent application number is CN202410671139 20240603. The patent publication number is CN121110108 (..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- Schlumberger Changhe Oilfield Eng Ltd has submitted a patent application for Pipeline Current Interference Drainage Device. This invention was developed by Xie Yundong, Du Liang, Wang Junfeng, Wang Yunlong, Liang Jinjie, Gao Quan, Wang Xueying, Hao Yongfei, Yuan Haowen and Wei Bo.
The patent application n..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has received Guanghan Petroleum Well Control Equipment patent application for Blowout Preventer Hydraulic Cylinder Repairing Process Method. Huang Yong, Feng Xi'an and Huang Jing developed the invention.
The patent application number is CN202511289225 20250910. ..
Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- Southwest Petroleum University has submitted a patent application for Slope Reinforcement Spraying Device Based on Microbial Mineralization. Guo Liang, Li Chao, Liu Zhishuang, Qiu Zhenyu, Wang Jia, Liu Xueting, Zhu Dapeng and Li Linyun developed the invention.
The patent application number is CN2025115777..
Oil & Gas
| Thu 23 Apr 2026
Beijing, April 24 -- Sinopec Group and Sinopec Nanjing Chemical Ind Co Ltd have submitted a patent application for Financial Analysis Method and System Based on Big Data. This invention was developed by Zhao Junyong, Chu Xuming, Li Haitao, Liu Daimei, Ling Wei and Bao Renjiang.
The patent application number is CN202410747501 ..
Oil & Gas
| Thu 23 Apr 2026
Beijing, April 24 -- China Petroleum & Chemical and East China Oil & Gas Branch China Petroleum & Chemical have sought patent for Shale Gas Reservoir Sweet Spot Prediction Method Based on Anisotropic Parameters of Velocity Model. This invention was developed by Xue Gang, Xiong Yingjie, Shan Zhongqiang, Meng Qingli, Li Yanjing an..
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