Group 1 - The core point of the article is that China National Petroleum Corporation (CNPC) has obtained a patent for a method and device related to reducing the amount of acidic gas in ethylene cracking gas, with the patent number CN116351212B and application date of December 2021 [1] - CNPC was established in 1999 and is based in Beijing, primarily engaged in oil and gas extraction [1] - The registered capital of CNPC is approximately 18.3 billion RMB [1] Group 2 - CNPC has made investments in 1,296 companies and has participated in 443 bidding projects [1] - The company holds 38 trademark registrations and has 5,000 patent records [1] - CNPC possesses 168 administrative licenses [1]

Group 1 - The core point of the article is that China National Petroleum Corporation (CNPC) has applied for a patent for a method and device for optimizing the ranking of oil and gas exploration blocks, which aims to enhance the objectivity, accuracy, and interpretability of the analysis results [1] Group 2 - CNPC was established in 1999 and is based in Beijing, primarily engaged in oil and gas extraction [2] - The company has a registered capital of 18,302,097,000 RMB and has made investments in 1,296 enterprises [2] - CNPC has participated in 443 bidding projects and holds 38 trademark registrations and 5,000 patent records, along with 168 administrative licenses [2]

Group 1 - The State Intellectual Property Office of China shows that China National Petroleum Corporation Bohai Petroleum Equipment Manufacturing Co., Ltd., China National Petroleum Corporation, and Bohai Petroleum Equipment (Tianjin) Zhongcheng Machinery Manufacturing Co., Ltd. have applied for a patent titled "A Constant Pressure Drop Nozzle," with publication number CN121345439A, and application date of August 2025. The invention relates to drilling equipment technology, specifically a constant pressure drop nozzle designed to address issues in existing technologies where fixed specifications and non-adjustable outlet flow areas lead to discrepancies between actual and calculated flow rates, affecting downhole safety and drilling efficiency [1] - The constant pressure drop nozzle features elastic components and two sliding blocks that balance the elastic force and the reaction force from the drilling fluid, allowing for automatic adjustment of the effective cross-section of the spray channel to maintain a constant pressure drop [1] Group 2 - China National Petroleum Corporation Bohai Petroleum Equipment Manufacturing Co., Ltd. was established in 2008, located in Tianjin, primarily engaged in specialized equipment manufacturing. The company has a registered capital of 619,773.124226 million RMB and has invested in 28 enterprises, participated in 2,770 bidding projects, and holds 1,491 patents [2] - China National Petroleum Corporation, founded in 1990 and based in Beijing, focuses on oil and gas extraction. It has a registered capital of 48,690,000 million RMB, invested in 107 enterprises, participated in 5,000 bidding projects, and holds 5,000 patents [2] - Bohai Petroleum Equipment (Tianjin) Zhongcheng Machinery Manufacturing Co., Ltd. was established in 1996, also located in Tianjin, primarily engaged in general equipment manufacturing. The company has a registered capital of 20,847.42 million RMB, invested in 2 enterprises, participated in 1,939 bidding projects, and holds 163 patents [3]

中化新网讯 近日，在中国石油辽河油田深层高黏稠油区，"热得快"井下大功率电加热技术应用实现突 破，破解了该类油藏开发难题。 深层稠油是辽河油田增储上产的重要战略方向，其中，冷42块作为深层高黏稠油区块的典型代表，面临 埋藏深、原油黏度大、井底蒸汽干度不足、地层能量亏空等多重开发挑战。经过多年开发，常规技术已 难以对剩余油进行有效挖潜。以冷37-75-592、冷37-77-592两口井为例，在上一开发周期产量明显下 降，急需先进工艺利器实现提产增效。 为破解这一行业难题，辽河油田井下大功率电加热技术团队与冷家公司紧密协作，围绕油藏物性、油品 特点、加热参数、热力场分布等关键环节开展精细化研究，最终形成针对性技术方案：按照两口井的不 同开发条件，分别采用"电加热+二氧化碳+蒸汽"与"电加热+蒸汽"的技术思路，成功为两口井应用了400 千瓦井下大功率电加热技术，现场应用效果显著。截至目前，单井平均日产油由4.4吨跃升至7.5吨，最 高峰值日产油达12.3吨。 该技术主要由加热器、地面调功装置和井口密封装置三部分构成。其核心原理是通过地面调功装置将电 能输送至井下加热段，对井口来汽进行二次提干，使之满足深层稠油开发要 ...

Group 1 - The core point of the news is that China National Petroleum Corporation (CNPC) has applied for a patent for a "screw drilling tool stator and screw drilling tool," which is aimed at improving oil drilling equipment technology [1] - The patent application was filed on August 2025, and the publication number is CN121345713A [1] - The design of the screw drilling tool stator includes a stator housing with an intermediate elastic component and a stator liner, utilizing a metal rubber material that enhances both physical properties and elasticity [1] Group 2 - CNPC was established in 1990 and is primarily engaged in oil and natural gas extraction, with a registered capital of 48.69 billion RMB [2] - CNPC has made investments in 107 companies and participated in 5,000 bidding projects, holding 1,442 trademark records and 5,000 patent records [2] - China National Petroleum Engineering Technology Research Institute Co., Ltd. was founded in 2006, focusing on research and experimental development, with a registered capital of approximately 570.39 million RMB [2]

Group 1 - The core point of the article is that China National Petroleum Corporation has obtained a patent for a multifunctional catalyst additive and its preparation method, with the patent announcement number CN118543372B and application date of August 2023 [1] Group 2 - China National Petroleum Corporation was established in 1999 and is based in Beijing, primarily engaged in oil and gas extraction [1] - The company has a registered capital of 18,302,097,000 RMB [1] - According to data analysis, the company has invested in 1,296 enterprises, participated in 443 bidding projects, and holds 38 trademark records and 5,000 patent records, along with 168 administrative licenses [1]

Group 1 - The core point of the article is that China National Petroleum Corporation (CNPC) has obtained a patent for a system and method related to the thermal reaction of oil sludge and water, with the patent announcement number CN117361813B and an application date of June 2022 [1] Group 2 - CNPC was established in 1990 and is headquartered in Beijing, primarily engaged in oil and natural gas extraction, with a registered capital of 48.69 billion RMB [1] - CNPC has made investments in 107 companies and participated in 5,000 bidding projects, holding 1,362 trademark records and 5,000 patent records, along with 28 administrative licenses [1] Group 3 - China National Petroleum Corporation Safety and Environmental Technology Research Institute Co., Ltd. was founded in 2007, also located in Beijing, focusing on research and experimental development, with a registered capital of 460 million RMB [1] - The research institute has invested in 5 companies, participated in 476 bidding projects, holds 9 trademark records and 615 patent records, and possesses 12 administrative licenses [1]

声明：市场有风险，投资需谨慎。本文为AI基于第三方数据生成，仅供参考，不构成个人投资建议。 国家知识产权局信息显示，中国石油天然气集团有限公司取得一项名为"一种用于CO2捕集系统的解吸 塔及捕集系统"的专利，授权公告号CN117180959B，申请日期为2022年5月。 来源：市场资讯 天眼查资料显示，中国石油天然气集团有限公司，成立于1990年，位于北京市，是一家以从事石油和天 然气开采业为主的企业。企业注册资本48690000万人民币。通过天眼查大数据分析，中国石油天然气集 团有限公司共对外投资了107家企业，参与招投标项目5000次，财产线索方面有商标信息1442条，专利 信息5000条，此外企业还拥有行政许可28个。 中国昆仑工程有限公司，成立于1986年，位于北京市，是一家以从事土木工程建筑业为主的企业。企业 注册资本60020万人民币。通过天眼查大数据分析，中国昆仑工程有限公司共对外投资了5家企业，参与 招投标项目5000次，专利信息388条，此外企业还拥有行政许可14个。 ...

Core Viewpoint - The petrochemical industry is experiencing fluctuations, with the China Petrochemical Industry Index down by 0.26% as of January 20, 2026, while the petrochemical ETF has seen significant capital inflow and growth in net value over the past two years [1][2]. Group 1: Market Performance - The China Petrochemical Industry Index has decreased by 0.26% as of January 20, 2026, with mixed performance among constituent stocks [1]. - Notable gainers include Sankeshu, up by 5.59%, and Satellite Chemical, up by 3.80%, while major decliners include Zhongfu Shenying, down by 5.35%, and Guangwei Composite, down by 4.34% [1]. - The petrochemical ETF (159731) has decreased by 0.31%, but has seen a net inflow of 280 million yuan over the past nine days, reaching a total of 5.61 billion shares and a scale of 5.49 billion yuan, marking a new high [1]. Group 2: Investment Insights - According to GF Securities, the chemical industry typically follows a five-year cyclical pattern, transitioning through phases of profit growth, capacity expansion, profit bottoming, and capacity clearing or demand improvement [1]. - The current phase is viewed positively, with expectations for the "dawn" of the chemical industry as capital expenditure growth turns negative, and with ongoing global technological revolutions creating new opportunities [1]. - The petrochemical ETF has increased by 60.82% in net value over the past two years, with a maximum single-month return of 15.86% and an average monthly return of 5.25% since inception [1]. Group 3: Top Holdings - As of December 31, 2025, the top ten weighted stocks in the China Petrochemical Industry Index include Wanhua Chemical, China Petroleum, and China Petrochemical, collectively accounting for 56.73% of the index [2]. - The top ten stocks by weight are: - Wanhua Chemical: 10.47% - China Petroleum: 7.63% - Salt Lake Industry: 6.44% - China Petrochemical: 6.44% - CNOOC: 5.22% - Zangge Mining: 4.51% - Juhua Co.: 3.82% - Jinfa Technology: 3.69% - Hualu Hengsheng: 3.31% - Baofeng Energy: 3.27% [4].

声明：市场有风险，投资需谨慎。本文为AI基于第三方数据生成，仅供参考，不构成个人投资建议。 来源：市场资讯 天眼查资料显示，中国石油天然气股份有限公司，成立于1999年，位于北京市，是一家以从事石油和天 然气开采业为主的企业。企业注册资本18302097万人民币。通过天眼查大数据分析，中国石油天然气股 份有限公司共对外投资了1296家企业，参与招投标项目443次，财产线索方面有商标信息38条，专利信 息5000条，此外企业还拥有行政许可168个。 国家知识产权局信息显示，中国石油天然气股份有限公司取得一项名为"一种页岩油核磁共振正反演模 拟方法及装置"的专利，授权公告号CN119985588B，申请日期为2023年11月。 ...