国家知识产权局信息显示，中国石油天然气股份有限公司申请一项名为"基于小波变换地震数据进行页 岩气产量预测的方法和装置"的专利，公开号CN121299749A，申请日期为2024年7月。 专利摘要显示，本发明公开了一种基于小波变换地震数据进行页岩气产量预测的方法和装置，该方法包 括：基于小波变换对地震勘探获取的地震数据进行去噪处理，以得到去噪后的地震数据；对去噪后的地 震数据进行解析，以推断出地下岩层的性质和形态，并评估页岩气预测评价指标；基于页岩气预测评价 指标分析页岩气储层数据；基于页岩气储层数据构建页岩气产量预测模型，以预测页岩气产量。本发明 通过地震勘探方法对页岩气进行勘探的过程中利用小波变换技术可以将地震勘探数据分解成不同频率的 成分，然后根据频率的特性选择合适的阈值进行去噪，这样可以有效地去除噪声，提高地震勘探数据的 质量，为后续页岩气产量预测提供依据和参考。 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 ...

天眼查资料显示，延长油田股份有限公司，成立于2006年，位于延安市，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1000000万人民币。通过天眼查大数据分析，延长油田股份有限公司共 对外投资了10家企业，参与招投标项目5000次，专利信息541条，此外企业还拥有行政许可32个。 国家知识产权局信息显示，延长油田股份有限公司申请一项名为"一种压裂废液和石油采出水协同处理 的方法"的专利，公开号CN121292736A，申请日期为2025年11月。 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 专利摘要显示，本发明涉及一种压裂废液和石油采出水协同处理的方法，涉及水处理技术领域。本发明 是将压裂废液进行脱除硬度处理，处理后的压裂废液钙离子浓度为28.5~165mg/L，pH为9.0~11.0；然后 将脱除硬度后的压裂废液与石油采出水按体积比为1~9:9~1混合均匀，然后依次加入无机絮凝剂和有机 絮凝剂，絮凝沉降后过滤得到回注水。本发明所述无机絮凝剂为聚合氯化铝、聚合硫酸铁中的至少一 种；所述有机絮凝剂为阳离子聚丙烯酰胺、聚二甲基二烯丙基氯化铵 ...

Group 1 - China Petroleum & Chemical Corporation (Sinopec) has applied for a patent titled "Method for Synthesizing Ester Compounds," with publication number CN121293133A, filed on July 2024 [1] - The patent involves a method in the field of organic synthesis, specifically for synthesizing ester compounds by mixing organic acid and alcohol raw materials under the action of a homogeneous catalyst, achieving a conversion efficiency improvement through precise control of the mixing index [1] - Sinopec was established in 2000 and is primarily engaged in oil and gas extraction, with a registered capital of approximately 12.17 billion RMB, having invested in 268 companies and participated in 5,000 bidding projects [1] Group 2 - Sinopec (Shanghai) Petrochemical Research Institute Co., Ltd. was established in 2022, focusing on research and experimental development, with a registered capital of 498 million RMB [2] - The research institute has invested in 2 companies, participated in 2,637 bidding projects, and holds 859 patent records, along with 133 administrative licenses [2]

Group 1 - The core viewpoint of the news is that China National Petroleum Corporation (CNPC) has applied for a patent related to a method for processing variable offset VSP data, which aims to improve the efficiency of data processing in the oil and gas exploration sector [1]. Group 2 - CNPC was established in 1999 and is headquartered 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 core point of the article is that China National Petroleum Corporation (CNPC) has applied for a patent for a method and device for evaluating well spacing in shale gas wells, indicating a focus on improving efficiency in shale gas extraction [1] Group 2 - The patent application, published as CN121302947A, was filed on July 2024 and outlines a method that includes obtaining original formation pressures of new and adjacent old wells to assess whether the spacing meets preset requirements [1] - CNPC, established in 1999 and headquartered in Beijing, primarily engages in oil and gas extraction, with a registered capital of 18,302,097,000 RMB [1] - 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 - China Petroleum & Chemical Corporation (Sinopec) has applied for a patent titled "A Method for Determining Dimers of Polyoxymethylene Dimethyl Ether in Gasoline," with publication number CN121298960A, filed on November 2025 [1] - The patent describes a method involving the construction of a gas chromatography system for separating and detecting components in gasoline, including the use of polar and non-polar columns for analysis [1] - The method includes establishing a quantitative calibration curve and calculating the mass ratio of PODE₂ in gasoline based on the peak area ratio of PODE₂ to an internal standard [1] Group 2 - China Petroleum & Chemical Corporation was established in 2000, located in Beijing, primarily engaged in oil and natural gas extraction, with a registered capital of approximately 12.17 billion RMB [2] - Sinopec has invested in 268 companies, participated in 5000 bidding projects, and holds 5000 patent records along with 45 trademark records [2] - China Petroleum Sales Company, established in 1985, is also based in Beijing, focusing on wholesale, with a registered capital of approximately 2.84 billion RMB [2] - The sales company has invested in 1513 companies, participated in 5000 bidding projects, and holds 235 patent records along with 304 trademark records [2]

Group 1 - The State Intellectual Property Office of China shows that China National Petroleum Corporation (CNPC) and China Petroleum Group Engineering Materials Research Institute have applied for a patent titled "A Method for Qualitative Rapid Detection of Carbon Disulfide in Oilfield Chemical Agents," with publication number CN121275728A and application date of July 2024 [1] - The patent describes a method for qualitatively and rapidly detecting carbon disulfide in oilfield chemical agents using readily available sodium sulfide as a color developer, allowing for visual identification of color changes to determine the presence of carbon disulfide [1] - This method is applicable to colorless, yellow, blue, green, and other cool or light-colored oilfield chemical agents, but not suitable for warm or dark-colored agents like red, purple, brown, or black [1] Group 2 - CNPC, established in 1990 and located in Beijing, primarily engages in oil and natural gas extraction, with a registered capital of 48.69 billion RMB [2] - CNPC has invested in 107 companies, participated in 5,000 bidding projects, and holds 1,447 trademark records and 5,000 patent records, along with 28 administrative licenses [2] - China Petroleum Group Engineering Materials Research Institute, founded in 2021 and based in Xi'an, focuses on specialized equipment manufacturing, with a registered capital of 679.11 million RMB [2] - The institute has invested in 4 companies, participated in 1,687 bidding projects, and holds 15 trademark records and 841 patent records, along with 16 administrative licenses [2]

Group 1 - The State Intellectual Property Office of China shows that China National Petroleum Corporation (CNPC) has applied for a patent titled "A F-T Catalyst Carrier and Its Preparation Method," with publication number CN121288853A and application date of July 2024 [1] - The patent abstract reveals a preparation method for the F-T catalyst carrier, which includes the preparation of γ-AlOOH sol and magnesium zirconium sol, mixing them to obtain a mixed sol, and incorporating silicon carbide [1] - The method enhances the surface roughness of the carrier through physical etching, allowing for uniform hydrophobicity in the internal pores, which aids in the timely desorption of water produced during the F-T synthesis reaction [1] Group 2 - China National Petroleum Corporation was established in 1999 and is based in Beijing, primarily engaged in oil and natural gas extraction [2] - The company has a registered capital of 18,302,097,000 RMB and has made investments in 1,296 enterprises, participated in 443 bidding projects, and holds 5000 patent records [2] - Additionally, CNPC possesses 168 administrative licenses and has 38 trademark records [2]

Group 1 - The State Intellectual Property Office of China shows that Sinopec Limited has applied for a patent titled "Metal Single Atom Modified Indium Oxide Catalytic Material and Its Preparation Method and Application," with publication number CN121288855A and application date of July 2024 [1] - The patent abstract reveals that the invention discloses a catalytic material modified with single metal atoms in indium oxide, where the metal is from Group VIII and exists in a single atom form, demonstrating high reactivity in ammonia decomposition for hydrogen production [1] - Sinopec Limited, established in 2000 and located in Beijing, primarily engages in oil and gas extraction, with a registered capital of 12,173.97 million RMB, having invested in 268 companies and participated in 5,000 bidding projects, holding 45 trademark records and 5,000 patent records [1] Group 2 - Sinopec Petroleum and Chemical Research Institute Co., Ltd., established in 2022 and located in Beijing, focuses on research and experimental development, with a registered capital of 300 million RMB, having invested in 2 companies and participated in 3,895 bidding projects, holding 1,646 patent records [2] - The institute also possesses 293 administrative licenses, indicating its active role in research and development within the industry [2]

Group 1 - The core point of the news is that China National Petroleum Corporation (CNPC) has applied for a patent for an integrated evaluation device and method for the displacement and imbibition effects in tight oil reservoirs, indicating a focus on enhancing oil recovery techniques [1] Group 2 - CNPC was established in 1999 and is primarily engaged in the oil and natural gas extraction industry, with a registered capital of 18,302,097,000 RMB [2] - The company has made investments in 1,296 enterprises and participated in 443 bidding projects, showcasing its extensive involvement in the industry [2] - CNPC holds 38 trademark registrations and 5,000 patent records, along with 168 administrative licenses, reflecting its significant intellectual property portfolio [2]