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"一种套管变形预测方法、系统 及设备"的专利，公开号CN121278897A，申请日期为2024年7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，本发明属于油气开采领域，具体涉及一种套管变形预测方法、系统及设备，旨在解决出 砂导致套管变形的预测方法不够科学准确的问题。本方法包括：确定油气井的出砂空腔形态模型及出砂 空腔形态模型的参数；基于参数，结合油气井的出砂情况、射孔情况，通过套管受力几何与数学模型及 油气井出砂的空腔体积计算公式，计算油气井出砂空腔处的套管所受的轴向压力；确定套管的剩余壁 厚；根据套管的类型、剩余壁厚，计算套管的临界应力；基于临界应力，结合套管的受压面积，计算油 气井的套管的变形临界力；若套管所受的轴向压力大于变形临界力，则套管发生变形。本发明实现了套 管变形的精准预测。 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， ...

Market Overview - The refining and trading sector experienced a decline of 0.75% on January 8, with Heshun Petroleum leading the drop [1] - The Shanghai Composite Index closed at 4082.98, down 0.07%, while the Shenzhen Component Index closed at 13959.48, down 0.51% [1] Stock Performance - Notable gainers in the refining and trading sector included: - Daqing Huake (000985) with a closing price of 19.84, up 2.48% [1] - Runbei Hangke (001316) at 39.45, up 2.04% [1] - Maoyang Xingchang (000819) at 16.44, up 1.99% [1] - Conversely, Heshun Petroleum (603353) saw a significant decline of 4.23%, closing at 27.87 [2] - Other notable decliners included: - Baomo Co. (002476) down 3.70% [2] - Rongsheng Petrochemical (002493) down 2.26% [2] Capital Flow - The refining and trading sector experienced a net outflow of 438 million yuan from major funds, while retail investors saw a net inflow of 331 million yuan [2] - The sector's overall capital flow indicates a mixed sentiment among investors, with retail investors showing more confidence compared to institutional investors [2] Individual Stock Capital Flow - Runbei Hangke (001316) had a net inflow of 12.19 million yuan from major funds, while it faced a net outflow of 19.85 million yuan from retail investors [3] - Heshun Petroleum (603353) experienced a net outflow of 1.68 million yuan from major funds, but a net inflow of 6.77 million yuan from retail investors [3] - Other stocks like Taishan Petroleum (000554) and Baoli International (300135) also showed varied capital flows, reflecting differing investor sentiments [3]

Core Viewpoint - China National Petroleum Corporation (CNPC) is committed to implementing the important speeches made by President Xi Jinping during his visit to Hebei and Xiong'an New Area, focusing on national strategic goals and enhancing business development in Hebei [1] Group 1: Company Initiatives - CNPC Chairman Dai Houliang expressed gratitude to the Hebei provincial government for its long-term support of CNPC's operations in the region [1] - The company aims to ensure natural gas supply and contribute to the construction of an energy powerhouse while promoting high-quality economic and social development in Hebei [1] Group 2: Government Collaboration - Hebei Vice Governor Zhao Chenxin emphasized the province's commitment to strengthening communication and cooperation with CNPC to meet public gas demand [1] - Both parties aim to consolidate existing cooperation and achieve mutually beneficial development [1]

Core Viewpoint - The report highlights a decline in China's petroleum coke production, indicating potential challenges for companies in the industry and suggesting a need for strategic adjustments to navigate the changing market landscape [1]. Industry Summary - According to the National Bureau of Statistics, China's petroleum coke production in November 2025 was 2.6 million tons, representing a year-on-year decrease of 2.3% [1]. - Cumulatively, from January to November 2025, China's petroleum coke production totaled 28.77 million tons, reflecting a decline of 3.9% compared to the previous year [1]. - The report from Zhiyan Consulting provides an analysis of the development trends and investment potential in the petroleum coke industry from 2026 to 2032, emphasizing the importance of understanding market dynamics for future investments [1]. Company Summary - Listed companies mentioned include Huajin Co., Ltd. (000059), Yuanxing Energy (000683), Shanghai Petrochemical (600688), Huaxi Energy (002630), Wanhua Chemical (600309), Hengli Petrochemical (600346), Rongsheng Petrochemical (002493), Xin'ao Co., Ltd. (600803), and China National Petroleum Capital (000617), all of which may be affected by the trends in petroleum coke production [1].

Core Viewpoint - The report highlights the growth of China's natural gas production, indicating a positive trend in the industry with a year-on-year increase in output and a significant cumulative production figure for 2025 [1] Group 1: Industry Overview - In November 2025, China's natural gas production reached 21.9 billion cubic meters, reflecting a year-on-year growth of 5.7% [1] - From January to November 2025, the cumulative natural gas production in China was 238.93 billion cubic meters, showing a cumulative increase of 6.3% [1] Group 2: Companies Involved - Listed companies in the natural gas sector include China Petroleum (601857), China Petrochemical (600028), Guanghui Energy (600256), Xintian Gas (603393), Shouhua Gas (300483), Lanyan Holdings (000968), and Xinchao Energy (600777) [1] Group 3: Research and Analysis - The report titled "China Natural Gas Market Operation Status and Development Potential Analysis Report (2026 Edition)" was published by Zhiyan Consulting, a leading industry consulting firm in China [1] - Zhiyan Consulting has over a decade of experience in industry research, providing in-depth reports, business plans, feasibility studies, and customized services [1]

Group 1 - The State Intellectual Property Office of China shows that China National Petroleum Corporation (CNPC), China National Petroleum Group Marine Engineering Co., Ltd., and China National Petroleum Group Marine Engineering (Qingdao) Co., Ltd. have applied for a patent titled "Quality Control Method for Prefabrication and Welding of Skirt Piles Applicable to Deepwater Jacket Structures," published under CN121267444A, with an application date of December 2024 [1] - The patent pertains to the field of welding technology and introduces a method for quality control in the prefabrication and welding of skirt piles, which consist of more than N conduits, where N is greater than or equal to 2. The method includes steps such as building a prefabrication platform, layered splicing, and full splicing of conduits, aimed at reducing the number of components and assembly time while ensuring structural strength and improving installation and welding efficiency [1] Group 2 - CNPC was established in 1990 and is based in Beijing, primarily engaged in oil and gas extraction. The company has a registered capital of 48.69 billion RMB and has invested in 107 enterprises, participated in 5,000 bidding projects, and holds 1,447 trademark records and 5,000 patent records [2] - China National Petroleum Group Marine Engineering Co., Ltd. was founded in 2004, also located in Beijing, with a registered capital of 659.353 million RMB. The company has invested in 4 enterprises, participated in 1,983 bidding projects, and holds 16 trademark records and 521 patent records [2] - China National Petroleum Group Marine Engineering (Qingdao) Co., Ltd. was established in 2006 in Qingdao, focusing on general equipment manufacturing, with a registered capital of 500 million RMB. The company has participated in 580 bidding projects and holds 68 patent records [2]

Group 1 - The State Intellectual Property Office of China shows that China National Petroleum Corporation, Beijing Petroleum Machinery Co., Ltd., and China Petroleum Group Kunlun Manufacturing Co., Ltd. have applied for a patent titled "A Precision Unclogging Device and Unclogging Method," with publication number CN121273248A, and application date of July 2024 [1] - The patent pertains to drilling technology in the oil and gas sector, proposing a precision unclogging device that includes a housing, power module, anchoring module, vibration module, and a sound wave transceiver module [1] - The sound wave transceiver module is designed to emit and receive sound signals to identify the location of clogging points in the drill string, controlling the activation and deactivation of the anchoring and vibration modules [1] Group 2 - China National Petroleum Corporation, established in 1990, is primarily engaged in oil and gas extraction, with a registered capital of 48.69 billion RMB [2] - The company has made investments in 107 enterprises, participated in 5,000 bidding projects, and holds 1,447 trademark records and 5,000 patent records [2] - Beijing Petroleum Machinery Co., Ltd., founded in 1955, focuses on automotive manufacturing, with a registered capital of approximately 4.48 billion RMB [2] - The company has invested in 3 enterprises, participated in 809 bidding projects, and holds 20 trademark records and 991 patent records [2] - China Petroleum Group Kunlun Manufacturing Co., Ltd., established in 2023, is involved in the oil, coal, and other fuel processing industries, with a registered capital of 580 million RMB [2] - The company has invested in 8 enterprises, participated in 24 bidding projects, and holds 50 patent records [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 related device for constructing a self-supervised dataset for seismic pre-training large models, indicating a focus on innovation in data processing and model training in the oil and gas sector [1] Group 2 - CNPC was established in 1999 and is primarily engaged in oil and gas extraction, 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]

Core Viewpoint - The Shanghai Stock Exchange 50 Index (000016) closed at 3145.12 points on January 7, with a decline of 0.43% and a trading volume of 169.3 billion yuan, indicating a low turnover rate of 0.31% [1] Group 1: Index Performance - On the day, 15 constituent stocks of the index rose, with Zhongwei Company leading the gains at 6.88%, while 34 stocks fell, with China Petroleum leading the declines at 3.6% [1] Group 2: Capital Flow - The net outflow of main funds from the constituent stocks of the index totaled 4.226 billion yuan, while retail investors saw a net inflow of 2.215 billion yuan and speculative funds had a net inflow of 2.011 billion yuan [2]

Market Overview - The Shanghai Composite Index rose by 0.05% on January 7, with 17 out of the 28 sectors experiencing gains, led by the comprehensive and coal industries, which increased by 3.86% and 2.47% respectively [1] - The oil and petrochemical sector saw the largest decline, dropping by 1.73%, followed by the non-bank financial sector, which fell by 1.13% [1] Capital Flow Analysis - The main capital outflow from the two markets totaled 54.336 billion yuan, with only four sectors experiencing net inflows [1] - The telecommunications sector had the highest net inflow, amounting to 4.752 billion yuan, while the coal sector followed with a net inflow of 1.870 billion yuan [1] Oil and Petrochemical Sector Details - The oil and petrochemical sector experienced a net outflow of 999.3 million yuan, with 12 out of 47 stocks in the sector rising and 35 declining [2] - Among the stocks with net inflows, the top performer was Unified Holdings, which saw an inflow of 74.91 million yuan, followed by Guanghui Energy and Bohai Chemical with inflows of 39.62 million yuan and 19.58 million yuan respectively [2] - The stocks with the highest net outflows included China National Offshore Oil Corporation, which had an outflow of 504.09 million yuan, and China Petroleum with an outflow of 129.66 million yuan [2] Individual Stock Performance - The following stocks in the oil and petrochemical sector had significant net outflows: - China National Offshore Oil Corporation: -4.03% with a net outflow of 503.91 million yuan [2] - China Petroleum: -3.60% with a net outflow of 129.66 million yuan [2] - Hengli Petrochemical: -0.80% with a net outflow of 125.78 million yuan [2] - Conversely, Unified Holdings had a notable increase of 4.27% with a substantial net inflow of 74.91 million yuan [3]