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Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has published Shanghai Keyuan Environment Tech Co Ltd and Sinopec Nanjing Engineering & Construction patent application for Centrifugal Self-cleaning Pipeline Type Degreaser. The invention was developed by Guan Xiaowei, Zhang Hong, Shi Yong, Zhang Zhengxing and Fan ..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Xinji City Xingang Cylinder Head Co Ltd has applied Chinese patent for Turnover Core Shooter for Cylinder Cover Production. Wang Tiebao, Yang Yonglai, Yao Liu, Zhang Dong, Duan Yunfeng and Cao Peng developed it.
The patent application number is CN202511229094 20250829. The patent publication number is CN12..
Oil & Gas
| Tue 31 Mar 2026
Beijing, April 1 -- State Intellectual Property Office of China has received Offshore Oil Engineering patent application for Anchor System Switching Mechanism Capable of Automatically Overturning and Resetting. Song Xiaoxiu, Li Xuenan, Zhang Le, Qiu Wei, Xue Lianjie, Huang Long, Zhang Shouming, Liu Haitian, Chen Kaichao and Ma D..
Oil & Gas
| Tue 31 Mar 2026
Beijing, April 1 -- Sichuan University has submitted a patent application for Hydrogen-powered Decoupling Type Carbon Dioxide Electrochemical Reduction System and Method. Lan Cheng, Liu Tao, Xu Yitao, Li Mengxin, Yang Yiting, Wu Yifan, Jiang Wenchuan, Zhao Zhiyu and Xie Heping developed the invention.
The patent application n..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Hubei Electric Power Planning and Design Instument has sought patent for Buoyancy Type Automatic Drainage and Oil Blocking Structure, Accident Oil Pool and Mounting and Dismounting Method. This invention was developed by Pan Yao, Zhang Jian, Liu Fa, Wang Huafang, Li Changyao, Li Tao, Yao Bin, Zhang Qing, Liu ..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Zhongman Petroleum Equipment Manufacturing has submitted a patent application for Top-drive Horizontal Pushing Mechanism. Dong Shengzheng, Liu Xue, Jiang Yi, Zhu Jiyong, Zhao Wei, Yang Ping and Wang Duofu developed the invention.
The patent application number is CN202511471621 20251015. The patent publicat..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Yanchang Oil Field has filed a patent application for Air Pressure Simulation Experiment Device for Horizontal Well Cementation. This invention was developed by Lan Xiaolong, Zhang Qian, Wu Ruoning, Bao Heng, Wang Yaxiong, Zhou Juan and Zhang Hailong.
The patent application number is CN202511166421 2025082..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Sinohydro Bureau 7 has submitted a patent application for Construction Method for Reinforcing Wellhead of Vertical Shaft. Liu Zhengeng, Zhao Wei, Huang Kai, Gao Xin, Wang Qiang, Guo Xiao, Duan Bo, Zhang Song, Wen Youcai, Chen Chien-hua, Fu Zhiqiang, Ma Tian, Yang Xiaoshuang, Li Kai, Wang Shengju and Li Lin de..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- China Petroleum & Chemical and Sinopec Shengli Oilfield have sought patent for Well Layer Data Splitting Method. This invention was developed by Lin Bo, Wang Zhiwei, Wang Youjie, Fan Jianwu, Yang Bin, Wang Ming, Kong Min, Yang Zhiwei and Lin Feizhao.
The patent application number is CN202410602064 2024051..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- China Petroleum & Chemical and Sinopec Shengli Oilfield have filed a patent application for Rapid Evaluation Method for Gravel Packing Stability and Blocking Risk of Directional Well. This invention was developed by Cun Xihong, Zhu Junmeng, Zhang Yong, Ren Zhaolin, Ren Xiaoqiang, Li Enqing, Shen Fei, Ding Qi..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- China Petroleum & Chemical and Sinopec Petroleum Exploration & Prod Res Institute have filed a patent application for Shale Gas Dynamic Yield Intelligent Prediction Method and System. This invention was developed by Shokichi, Meng Jin, Ye Tianrui, Zhang Dongwei, Xiao Yitian and Dai Cheng.
The patent appli..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- Shelfoil Petroleum Equipment & Services Co Ltd, China Petroleum & Chemical and Sinopec Petroleum Engineering Tech Research Institute Co Ltd have submitted a patent application for Test Device and Test Method for Spring Casing Centralizer. This invention was developed by Xu Fei, Yang Xuejing, Zhang Huadong, Z..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- China Petroleum & Chemical and Sinopec Geophysical Res Institute Co Ltd have submitted a patent application for Method and Device for Improving Linear Rose Diagram Based on Coordinate Rotation. This invention was developed by Yang Ye, Cao Shaolei, Wu Zhixiang, Bi Chenchen and Xie Ruijie.
The patent applic..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- PetroChina and Res Institute Safety & Env Tech Co Ltd China Nat Petroleum Corp have sought patent for Sewage Treatment Method, System and Equipment and Storage Medium. This invention was developed by Yan Xin, Li Jufeng, Ran Zhaokuan, Tang Zhihe, Li Binlian, Long Zi, Gu Tao, Tang Dan and Ding Fangfang.
The..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- China Petroleum & Chemical and Sinopec Petroleum Exploration & Prod Res Institute have sought patent for Quantitative Identification Method, Device and Equipment for Development Tectonic Stage of Conjugate Shear Fracture. This invention was developed by Huang Chenjun, Jiao Cunli, Lin Huixi, Li Yang, Yang Xin..
Oil & Gas
| Mon 30 Mar 2026
Geneva, March 31 -- Schlumberger Tech Corporation, Schlumberger Canada Ltd, Services Petroliers Schlumberger and Schlumberger Technology have applied WIPO patent for Electromechanical Actuation Techniques for Scale Buildup Mitigation. Volkhin Pavel, Rodolfo De Souza Wilson, Monthe Ngakam Hubert, Misquitta Ashwin, Monnier Loic, G..
Oil & Gas
| Mon 30 Mar 2026
Geneva, March 31 -- Schlumberger Tech Corporation, Schlumberger Canada Ltd, Services Petroliers Schlumberger and Schlumberger Technology have submitted a patent application for Mechanical Chain Locker. Nottelet Aurelien and Pujol Jean-luc developed the invention.
The patent application number is WO2025US46787 20250917. The pa..
Oil & Gas
| Mon 30 Mar 2026
Beijing, March 31 -- China Petroleum & Chemical and Sinopec Petroleum Engineering Tech Research Institute Co Ltd have submitted a patent application for Throttle Valve Opening Degree Determination Method, Throttle Valve Opening Degree Automatic Control Method and Electronic Equipment. Zang Yanbin, Liu Jinge, Zhou Haobo, Fan Hong..
Oil & Gas
| Mon 30 Mar 2026
Beijing, March 31 -- China Petroleum & Chemical and Sinopec Petroleum Exploration & Prod Res Institute have filed a patent application for Volatile Oil Reservoir Depletion Exploitation Guiding Method, Device, Equipment and Medium. This invention was developed by Wang Ran, Gao Min, Li Yanhua, Jing Yan, Li Jian and Yu Yunyan.
T..
Oil & Gas
| Mon 30 Mar 2026
Geneva, March 31 -- Schlumberger Tech Corporation, Schlumberger Canada Ltd, Services Petroliers Schlumberger and Schlumberger Technology have sought patent for Removable Chain Wheel. This invention was developed by Nottelet Aurelien and Pujol Jean-luc.
The patent application number is WO2025US46380 20250915. The patent public..
Oil & Gas
| Mon 30 Mar 2026
Geneva, March 31 -- Schlumberger Tech Corporation, Schlumberger Canada Ltd, Services Petroliers Schlumberger and Schlumberger Technology have submitted a patent application for Removable Chain Slider. This invention was developed by Nottelet Aurelien and Pujol Jean-luc.
The patent application number is WO2025US46372 20250915...
Oil & Gas
| Mon 30 Mar 2026
Beijing, March 31 -- Kunlun Shuzhi Tech Co Ltd and PetroChina have submitted a patent application for Intelligent Question-answering System and Method for Molecular Oil Refining. Zhao Baosheng, Fan Bin, Yang Dezhi, Ju Shengtao and Liu Jiangtao developed the invention.
The patent application number is CN202511516436 20251022. ..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- Oil & Gas Survey CGS and Northeast Petroleum University have submitted a patent application for Dual-overpressure Bidirectional Hydrocarbon Expulsion Simulation Device and Simulation Method Thereof. Yan Jianzhao, Zhang Yuan, Chen Weikun, Wang Zi, Cheng Ming and Zhang Faqiang developed the invention.
The p..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- China Petroleum & Chemical and Sinopec Petroleum Exploration & Prod Res Institute have sought patent for Method, Device and Equipment for Predicting High-ground-temperature Abnormal Area Through Gravity and Magnetic Data and Medium. This invention was developed by Gao Min, Cao Zhe, Fan Qingkai, Wu Lanyu, Zha..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- China Petroleum & Chemical and Sinopec Shengli Oilfield have applied Chinese patent for Fine Synthetic Recording Horizon Calibration Method for Searching Marker Bed Based on Average Speed. Yang Bin, Wang Zhiwei, Zhang Zaizhen, Fan Jianwu, Wang Xu, Liu Wenfang, Yang Zhiwei, Wu Qunhu and Yu Shina developed it...
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- China Petroleum & Chemical and Sinopec Petroleum Exploration & Prod Res Institute have submitted a patent application for Method and Device for Evaluating Development Potential of Karst Reservoir and Oil Extraction Method. Li Yongqiang, Lin Huixi, Guo Yandong, Cao Liying, Han Dong and Luo Junlan developed th..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- China Petroleum & Chemical and Sinopec Shengli Oilfield have applied Chinese patent for Fluvial Facies Thin Sand Body Prediction Method Based on Seismic Bipolar Transformation. Wang Zhiwei, Yang Bin, Zhang Zaizhen, Ma Zichao, Xing Enhao, Zhang Song, Wang Ming, Song Hao and Meng Xiaofan developed it.
The p..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- China Petroleum & Chemical and Sinopec Northwest Oil Field have applied Chinese patent for Multi-wave Multi-component Seismic Data Encoding and Decoding Method, System and Device. Lin Wenlong, Li Zongjie, Li Qingkun, Yang Wei, Shen Li and Fan Zihan developed it.
The patent application number is CN20241060..
Oil & Gas
| Tue 31 Mar 2026
Geneva, March 31 -- China Nat Petroleum Corporation and CNPC Engineering Tech R&D Company Limited have submitted a patent application for Forward and Reverse Circulation Combined Cementing Tool and Method. This invention was developed by Zhang Huaiwen, Qu Congfeng, Li Yong, Wang Xianguo, Jiang Le, Cheng Sida, Zheng Rui, Zhou Yis..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- hina Petroleum & Chemical and Sinopec Petroleum Exploration & Prod Res Institute have submitted a patent application for Helium Content and Helium Isotope Detection System and Method, Medium and Electronic Equipment. This invention was developed by Yang Huamin, Dong Qingwei, Wang Jie, Tao Cheng, Ma Liangbang..
Oil & Gas
| Tue 31 Mar 2026
Geneva, March 31 -- China Petroleum & Chemical Corp and Sinopec Research Institute of Petroleum Processing have applied WIPO patent for X Molecular Sieve-based Adsorbent, and Preparation Method Therefor and Use Thereof. Sun Lijie, Gao Ningning, Wang Dehua, Wang Hongchao, Chen Tiantian and Liu Yusi developed it.
The patent app..
Oil & Gas
| Tue 31 Mar 2026
Geneva, March 31 -- Vertiv Corp and Li Linde have submitted a patent application for Three-phase Single-stage Alternating Current-direct Current Converter, and Control Method and Apparatus Therefor. This invention was developed by Li Linde, Li Jian, Shou Fujun, Mo Zhigang and Chen Shumei.
The patent application number is WO20..
Oil & Gas
| Tue 31 Mar 2026
Geneva, March 31 -- China Nat Petroleum Corporation and CNPC Engineering Tech R&d Company Limited have submitted a patent application for Polycrystalline Al2o3-tic-diamond Composite Material and Preparation Method Therefor and Use Thereof. This invention was developed by Shao Fangyuan, Huang Hongchun, Ji Guodong, Liu Li, Wang Ha..
Oil & Gas
| Tue 31 Mar 2026
Geneva, March 31 -- China Nat Petroleum Corporation and CNPC Engineering Tech R&d Company Limited have sought patent for Diamond Compact and Processing Method Therefor. This invention was developed by Ling Xianwu, Shao Fangyuan, Ji Guodong, Huang Hongchun, Hu Huaigang, Wu Qiang, Liu Li, Yu Jinping, Yu Jing, Chen Changchang, Sun ..
Oil & Gas
| Tue 31 Mar 2026
Geneva, March 31 -- China Nat Petroleum Corporation and CNPC Engineering Tech R&D Company Limited have applied WIPO patent for PDC Cutter and Performance Adjustment Method and System Therefor, and Computer-readable Storage Medium. Shao Fangyuan, Ji Guodong, Huang Hongchun, Liu Li, Wu Qiang, Ling Xianwu, Yu Jing, Chen Changchang,..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- Lanzhou University of Technology, Yangtze University and Gansu Branch Petrochina Kunlun Gas Co Ltd have submitted a patent application for Method and Device for Measuring High-gas-liquid-ratio Gas-liquid Two-phase Flow and Liquid Holdup Based on Three-dimensional Differential Pressure. This invention was dev..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- China Petroleum Pipeline Engineering Co Ltd, China National Petroleum, Tianjin Dagang Oilfield Group Engineering Construction and China Petroleum Pipeline Engineering Corp have applied Chinese patent for Expansion Bending Flange Measuring Instrument and Measuring System. Yang Zhong, Wang Xiaodong and Zhu Xia..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- Natural Gas Tech Service Branch Of Sinopec Oilfield Equipment Corporation and Sinopec Oilfield Equipment have filed a patent application for Multifunctional Integrated Compressor System and Control Method Thereof. This invention was developed by Shen Jincai, Wang Xianzhong, Chen Xiaogang, Chen Chaobiao and Y..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- IFP Energies nouvelles and Designeb FMC France Deep Sea have filed a patent application for Petroleum Fluid Delivery Flexible Conduit Comprising Diffusion Barrier. This invention was developed by Lefebvre Xavier, Martinez Michelle, Klu Pfer Marie-helene, Rousseau Jean-jacques, Demanze Frederic, Taravel-conda..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- China Petroleum & Chemical and Sinopec Petroleum Engineering Tech Research Institute Co Ltd have filed a patent application for Excitation Acquisition Circuit and Control Method Thereof, Electronic Component and Logging Instrument. This invention was developed by Wu Jinping, Xie Guanbao, Zheng Junhua, Li Yon..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- Yangtze University and Anton Oilfield Services Group Ltd have applied Chinese patent for Fracturing Method and Fracturing Device for Carbonate Reservoir. Liu Yujian, Ren Yingpeng, Pang Pei, Xie Lin, Cheng Hualei, Wang Jian, Fang Ye and Zhang Shuo developed it.
The patent application number is CN2025111174..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- China Petroleum & Chemical and Sinopec Shengli Oilfield have applied Chinese patent for Cross-well Flow Field Optimization Method. Wang Zhiwei, Wang Ming, Yang Bin, Sun Shijie, Yu Qingqing, Zhang Zaizhen, Song Yang, Xing Enhao and Ma Yimo developed it.
The patent application number is CN202410612521 20240..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- China Petroleum & Chemical and Sinopec Shengli Oilfield have applied Chinese patent for High-water-cut-period Injection-production Allocation Method in Water-flooding Development Oil Reservoir. Wang Ming, Wang Zhiwei, Wei Min, Fan Jianwu, Sun Shijie, Wang Yanzhen, Ding Baolai, Xing Enhao and Jiang Xuexue dev..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- Daqing Oilfield and PetroChina have sought patent for Steering Sand Blower. This invention was developed by Li Gang, Gao Yuan, Zhou Xun, Du Xiaoming, Wang Qi, Zhang Rui, Zhao Jing and Gan Quan.
The patent application number is CN202410599247 20240515. The patent publication number is CN120968529 (A). Inte..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- China Petroleum & Chemical and Sinopec Shengli Oilfield have sought patent for Oil Well Non-contact Casing Gas Recovery Device and Method. This invention was developed by Zhang Yan, Xu Lei, Tang Shouzhong, Miao Yiqing, Sui Yingzhang, Feng Hongli and Tang Chendong.
The patent application number is CN202410..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- Daqing Oilfield and PetroChina have sought patent for Oil Bailing Tool in Casing Pipe and Use Method of Oil Bailing Tool. This invention was developed by Zhang Zongke, Tang Kai, Cao Gang, Lin Wei, Ji Hongjun, He Xianbin, Duan Qingbin and Jia Ruicheng.
The patent application number is CN202410571758 202405..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- Daqing Oilfield and PetroChina have submitted a patent application for Three-piece Expanding Packer. Gao Yuan, Lan Chengyu, Zhang Guoliang, Du Xiaoming, Zhou Xun, Cheng Yong, Zhang Rui, Gan Quan and Ma Chao developed the invention.
The patent application number is CN202410599130 20240515. The patent publi..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have submitted a patent application for Recyclable Liner Tube and Use Method Thereof. Liu Wei, He Long, Zhou Xingfu, Qiao Zhiguo and Zeng Mian developed the invention.
The patent application number is CN202410617774 20240517. The patent publicatio..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- PetroChina and CNPC Engineering Tech R&D Co Ltd have filed a patent application for While-drilling Progressive Borehole Dressing Tool. This invention was developed by Xi Chuanming, Liu Bin, Liu Yingbiao, Wu Qiang, Zhang Wei, Zhuo Lubin, Cao Guangfu, Ji Guodong, Wu Desheng, Zhang Jiawei, Chen Changchang and R..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- China Petroleum & Chemical and Sinopec Shanghai Petrochemical Res Institute Co Ltd have submitted a patent application for Preparation Method and Application of Precursor for High-strength, High-modulus and High-elongation Polyacrylonitrile Carbon Fiber. Wang Jianning, Shen Zhigang and Li Lei developed the i..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- China Petroleum & Chemical and Sinopec Shanghai Petrochemical Res Institute Co Ltd have submitted a patent application for Polyacrylonitrile Carbon Fiber Precursor, High-strength, High-modulus and Low-broken-filament-amount Polyacrylonitrile Carbon Fiber and Preparation Method of Polyacrylonitrile Carbon Fib..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- China Petroleum & Chemical and Sinopec Shanghai Petrochemical Res Institute Co Ltd have filed a patent application for High-strength and High-modulus Precursor for Polyacrylonitrile Carbon Fiber as Well as Preparation Method and Application of Precursor. This invention was developed by Wang Jianning, Shen Zh..
Oil & Gas
| Mon 30 Mar 2026
Geneva, March 31 -- Saudi Arabian Oil Company and Aramco Services have submitted a patent application for System and Method for Automatically Transmitting Alert Messages Based on Time and Location Monitoring in Vehicle Journey Supervision. Al-ghanim Rami A, Al-hassan Abdullah Y, Al-habbas Ali S and Al-enezi Shayem F developed th..
Oil & Gas
| Mon 30 Mar 2026
Beijing, March 31 -- China Petroleum & Chemical and Sinopec Shengli Oilfield have sought patent for Quantitative Evaluation Method for Effectiveness of Large-well-spacing Chemical Flooding Reservoir Injection Well. This invention was developed by Wei Min, Wang Zhiwei, Wang Yanzhen, Yang Bin, Ma Zichao, Sun Shijie, Zhang Zaizhen,..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- Sinopec Group, Sinopec Oilfield Service, Sinopec Petroleum Engineering Geophysics Co Ltd and Nanfang Branch Of Sinopec Petroleum Eng Geophysics Co Ltd have submitted a patent application for Whole Millisecond Excitation Method and Device of Digital Detonator for Exploration. This invention was developed by W..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- Daqing Oilfield and PetroChina have sought patent for Load Counterweight Adjusting Device and Method of Tower Type Pumping Unit. This invention was developed by Tang Kai, Xu Xueyu, Leng Hanyu, Wang Yu, Jin Guoguang, Sun Mengyang, Yang Haibo, Lyu Yang, Yue Dongwei, Zhang Chunchao and Wang Yunfeng.
The pate..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- China University of Petroleum, East China has filed a patent application for Portable Detection Device and Rapid Detection Method for Sand Blocking Precision of Sand Control Screen Pipe. This invention was developed by Dong Changyin, Zhang Chuwei, Ren Jiayi, Li Jiahe, Feng Shuhao, Shi Yongda and Zeng Xiaobo.
..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- PetroChina has submitted a patent application for Oil Field Emptying Gas Recovery Device. This invention was developed by Yan Yunde, Yang Lin, Hu Yusheng, Liao Faming, Deng Mingjian, Lu Jingwei, Tian Peng, Ma Hailong, Li Xiang, Su Peng, Gu Jiamo, Wang Sicheng and Huai Jianhua.
The patent application number i..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has published PetroChina patent application for Automatic Ignition Device for Oil Field Torch. The invention was developed by Yan Yunde, Hu Yusheng, Gu Jiamo, Yang Lin, Li Xiang, Wang Zidun, Deng Mingjian, Su Peng, Wang Sicheng, Lu Jingwei, Ma Hailong, Huai Jianhua ..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- PetroChina has submitted a patent application for Corrosion Inhibitor for Oxygen Reduction Air Flooding and Preparation Method Thereof. This invention was developed by Zhou Daiyu, Li Yang, Yan Gengping, Zhang Liang, Fan Jin, Fu Ying, Han Tao, Cheng Ronghong, Wu Mimi and Wu Cangyuan.
The patent application nu..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has released PetroChina patent application for Piston Type Micro-gap Valve Structure. This invention was developed by Wei Yan, Huang Min and Zhou Fang.
The patent application number is CN202410624894 20240520. The patent publication number is CN120991083 (A). Inter..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- PetroChina has applied Chinese patent for Flow Remeasurement Process Suitable for Wave Code Communication Separate Injection and Operation Method. Li Zhengtian, Ji Zhenning, Ju Yafeng, Yu Jiuzheng, Wang Shouhu, Wang Erzhen, Liu Yanqing, Bi Fuwei, He Ruxian and Shen Xiaoli developed it.
The patent application..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- China University of Petroleum, Beijing has submitted a patent application for Equipment Control Method, Device and Equipment of Beam-pumping Unit and Medium. Zeng Qian, Liu Yuetian, Xue Liang and Song Yang developed the invention.
The patent application number is CN202511375295 20250924. The patent publicati..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has released China University of Petroleum, East China patent application for Foam Concrete Conveying Pipeline Cleaning Device. This invention was developed by Luo Hui, Li Chunbao, Wu Wenbei, Fu Zihan, Zheng Tianqi and Huang Huihuang.
The patent application number ..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has released PetroChina patent application for Selective Hydrogenation Catalyst and Preparation Method Thereof. This invention was developed by Hu Xiaoli, Yang Hongqiang, Duan Hongchang, Zhang Xiaoqi, Li Ruoyu, Hao Zhao, Dong Wanjun, Ma Haowen, Sun Limin and Zhan Xu..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- China University of Petroleum, East China has submitted a patent application for Three-dimensional Ordered Macroporous Manganese-based Catalyst as Well as Preparation Method and Application Thereof. This invention was developed by Jiang Ye, Kong Fanchen, Song Jiayao, Sun Xin, Zhang Guomeng and Cheng Siyuan.
..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- PetroChina has submitted a patent application for Carbon Dioxide Bubble Making Equipment. This invention was developed by Wu Cangyuan, Zhou Daiyu, Shao Guangqiang, Yan Gengping, Xu Yongqiang, Huang Lan, Zhang Liang, Lian Zhanggui and Luo Min.
The patent application number is CN202410633601 20240521. The pate..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- PetroChina has filed a patent application for Device for Trapping Carbon Ccus by Adopting Membrane Separation and Use Method. This invention was developed by Wu Cangyuan, Tang Yongliang, Shao Guangqiang, Du Hongbao, Zhang Liang, Wu Mimi, Li Jun, Luo Min, Fan Jin and Zhou Wei.
The patent application number is..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has published Schlumberger Technology patent application for Controlled Reflux for Stress Testing Using Vials with Slip Sampling. The invention was developed by Tao Chen, Partouche Alain, Dubost Francis Xavier, Nelson Kevin R and Lee Yan Fei.
The patent application..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Baker Hughes Oilfield Operations has submitted a patent application for Protected Assistance Ring for Metal Face Seals and Earth-boring Tool Including. This invention was developed by Ricks Gregory L and Schroeder Jon David.
The patent application number is CN20248019998 20240322. The patent publication numb..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Chevron Oronite has submitted a patent application for Aftertreatment System Friendly Engine Oil Formulations. This invention was developed by Lee David S, Muelhage Rafal, Mclaughlin Matthew, Bohan Patrick and Hattori Daiki.
The patent application number is CN20248026301 20240312. The patent publication numb..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has received ExxonMobil Technology and Engineering patent application for Catalyst for Copolymerization. Zabula Anthony V, Dupper Timothy J, Titone Michael E, Canich Jo Ann M, Lopez-barron Carlos Ruben, Lin Tzu-pin, Mattler Sarah J, Goryunov Georgy P, Uborsky Dmitry..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- ExxonMobil Technology and Engineering has submitted a patent application for Metallocene Catalyst Compound Having Ferrocenyl Substituent. Voskobinnikov Alexander Z, Uborsky Dmitry V, Samsonov Oleg Vladimirovich, Yasin Ali N, Sarev Alexander A, Borisov Ilya S, Lambeek Nicolaas Simon, Canich Jo Ann M, Smith-kar..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- ExxonMobil Technology and Engineering has submitted a patent application for Catalyst Systems and Methods of Making and Using Same. This invention was developed by Beswick Christopher L and Bao Xiaoying.
The patent application number is CN20248021069 20240126. The patent publication number is CN120981290 (A)..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has published PetroChina patent application for Device and Method for Replacing Rubber Valve Core of Producing Well. The invention was developed by Li Bingjun, Wang Peihua, Liu Shujun, Dong Jinglong, Li Jiajun, Xu Tao, Xue Haichao, Wu Guiqiang, Fan Bingxuan and Zeng..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has released CSSC Jieli Gas Technology (Shanxi) patent application for Auxiliary Installation Tool. This invention was developed by Wu Zhaomin, Zhang Lei, Zhang Jiankang, Yue Guobo, Luo Lugang, Song Yaping, Wu Chunlin, Hao Chen and Xia Hui.
The patent application n..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Southwest Petroleum University has sought patent for Chitosan-quaternary Ammonium Salt Modified Composite Shale Inhibitor and Preparation Method Thereof. This invention was developed by Liao Kexi, Liu Chang, Bai Yang, Luo Pingya, Wang Cheng, Wang Shuai and Zhang Xin.
The patent application number is CN2025..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- CNOOC Energy Technology & Services has filed a patent application for Self-heat-generation Viscosity-reduction Complexing Agent for Offshore Oilfield Thickened Oil Development and Preparation Method of Self-heat-generation Viscosity-reduction Complexing Agent. This invention was developed by Sun Jun, Sun Yanp..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- State Intellectual Property Office of China has released CNOOC Energy Technology & Services patent application for Temperature-resistant Salt-resistant Viscosity-reducing Oil-washing Plugging Agent for Offshore Oilfield Heavy Oil Thermal Recovery and Preparation Method of Temperature-resistant Salt-resistant ..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- CNOOC Energy Technology & Services has filed a patent application for Self-heat-generation Viscosity-reduction Foaming Complexing Agent for Offshore Oilfield Thickened Oil Development and Preparation Method of Self-heat-generation Viscosity-reduction Foaming Complexing Agent. This invention was developed by S..
Oil & Gas
| Wed 01 Apr 2026
Beijing, April 1 -- Chaohu University has submitted a patent application for Soil Carbon Dioxide Gas Collecting Device. Ma Hui, Mao Leiming, Xu Jian and Chang Hongxia developed the invention.
The patent application number is CN202511317283 20250916. The patent publication number is CN120992271 (A). International Patent Classi..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Petroleum Exploration & Prod Res Institute patent application for Clastic Rock Reservoir Overburden Pressure Physical Property Loss Evaluation Method and Device. This invention was developed by He Chuan, Yu Lingji..
Oil & Gas
| Mon 30 Mar 2026
Geneva, March 31 -- World Intellectual Property Organization has published Schlumberger Tech Corporation, Schlumberger Canada Ltd, Services Petroliers Schlumberger and Schlumberger Technology patent application for Downhole Caliper System and Method. The invention was developed by Becker Florian and Perrin Cedric.
The patent ..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has published China Petroleum & Chemical, Sinopec Oilfield Service, Sinopec Petroleum Eng Corp and Sinopec Shengli Oilfield patent application for Buried Carbon Dioxide Pipeline Leakage Diffusion Experiment Device and Method. The invention was developed by Zhang Ju..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- Dezhou United Petroleum Technology has submitted a patent application for Sand Prevention Flat Gate Valve. This invention was developed by He Zhenyu, Jia Yanjun, Zhang Guichang, Xue Qinghua, Wang Xiaochen and Yang Zaiyuan.
The patent application number is CN202510972696 20250715. The patent publication nu..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- Dalian Institute of Chemical Physics, Chinese Academy of Sciences has submitted a patent application for Slurry for Composite Diaphragm, Composite Diaphragm, Preparation Method of Composite Diaphragm and Application of Composite Diaphragm in Alkaline Water Electrolysis. Chen Zhongwei, Chen Lei and Zhang Yini..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has released Harbin Institute of Technology Shenzhen Institute of Science and Technology Innovation patent application for Preparation Method of Electron-deficient Aromatic Hydrocarbon Derivative. This invention was developed by Yang Chao, Wan Chao and Zhang Enxian..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has released Sinopec Oilfield Service and Sinopec Petroleum Eng Corp patent application for Methane, Hydrogen and Hydrogen-doped Methane Under-expansion Jet Fire Flame Evaluation Processing Method. This invention was developed by Li Xuejie, Xi Zhiguo, Wang Zhi, Zho..
Oil & Gas
| Mon 30 Mar 2026
Geneva, March 31 -- World Intellectual Property Organization has published Schlumberger Tech Corporation, Schlumberger Canada Ltd, Services Petroliers Schlumberger and Schlumberger Technology patent application for Systems and Methods for Continuous Monitoring of Wells Using a Single Sensor System. The invention was developed by..
Oil & Gas
| Mon 30 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has published China Petroleum & Chemical and Sinopec Petroleum Exploration & Prod Res Institute patent application for Method and System for Constructing Permeability Model of Fault Control Fracture-cavity Type Oil and Gas Reservoir. The invention was developed by ..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Petroleum Exploration & Prod Res Institute patent application for Method and System for Predicting Parameters of Fracture Derived from Strike-slip Fracture. This invention was developed by Zhao Zhan, Xia Dongling ..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has received China Petroleum & Chemical and Sinopec Geophysical Res Institute Co Ltd patent application for Complex Broken Basin Fine Structure Interpretation Method, Electronic Equipment and Storage Medium. Luo Pan, Li Jiusheng, Li Xiao and Sun Hongbo developed th..
Oil & Gas
| Tue 31 Mar 2026
Geneva, March 31 -- World Intellectual Property Organization has published Vertiv Corp and Li Linde patent application for Current Sharing Control Method and Ac-dc Conversion System. The invention was developed by Li Linde, Li Jian, Shou Fujun, Mo Zhigang and Chen Shumei.
The patent application number is WO2025CN80657 2025030..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has received CNPC Shenzhen New Energy Res Institute Co Ltd and PetroChina patent application for Three-dimensional Dispersion Test Kit for Simultaneously Measuring Radial and Transverse Dispersion Coefficients. Wang Hangzhou, Wang Ziheng, Zhang Ziyu, Yang Xuan, Wan..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has published Northeast Petroleum University and Xi'an Shiyou University patent application for Device for Testing Breakthrough Pressure of Carbon Dioxide Sealing Cover Layer Under High-temperature and High-pressure In-situ Conditions. The invention was developed b..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has received CNPC Shenzhen New Energy Res Institute Co Ltd and PetroChina patent application for Intermediate-effect Absorption Refrigeration Cycle System. Chen Bingbing, Xiong Bo, Fang Chaohe, Wang Shejiao, Zhu Dongxue and Zhang Wenyao developed the invention.
..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- Southwest Petroleum University has filed a patent application for Electromagnetic Driving and Mechanical Self-locking Coupled Clearance Adjusting System and Method. This invention was developed by Gou Ruyi, Wang Yu, Cheng Yulong, Yi Hao, Xiang Qinglin, Zhang Weimin and Ma Tinghong.
The patent application ..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- Weichai Power has sought patent for Engine Crankcase Oil-gas Separation Structure and Engine. This invention was developed by Zhou Tao, Yang Daokuan, Song Jiao, Cai Haijie, Zhong Yuelan and Li Quanwei.
The patent application number is CN202511521822 20251023. The patent publication number is CN120968820 (..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Shengli Oilfield patent application for Device and Method for Taking Out Medium of Oil-water Well in Different Periods. This invention was developed by Li Jun, Liu Fei, Hao Jianguang, Wei Hai, Zhang Gaige, Bi Haib..
Oil & Gas
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has received Shaanxi Yanchang Petroleum Group patent application for Method for Evaluating Content of Organic Carbon in Marine Facies Hydrocarbon Source Rock of Yanan Gas Field Based on Logging Curve. Ma Xintao, Wang Ruogu, Zhang Jiafei, Xie Xiaofei, Xu Yunlin, Wan..
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