Group 1 - The core point of the article is that Shandong Chenglin Petroleum Engineering Technology Co., Ltd. has obtained a patent for a device and method related to sandblasting perforation and anti-sand integration [1] - The patent was granted with the announcement number CN121111184B, and the application date was November 2025 [1] - Shandong Chenglin Petroleum Engineering Technology Co., Ltd. was established in 2013 and is located in Dongying City, primarily engaged in professional technical services [1] Group 2 - The company has a registered capital of 30 million RMB [1] - According to data analysis, the company has made investments in one other enterprise, participated in 11 bidding projects, and holds 64 patent records [1] - Additionally, the company possesses two administrative licenses [1]

Core Viewpoint - Southbound funds have significantly reduced their holdings in Sinopec Oilfield Service Corporation (01033.HK), indicating a bearish sentiment towards the stock in recent trading days [1]. Group 1: Shareholding Changes - On February 13, southbound funds reduced their holdings by 19.588 million shares, a decrease of 2.48% [2]. - Over the past five trading days, there have been four days of reductions, totaling a net decrease of 53.196 million shares [1]. - In the last 20 trading days, there were 15 days of reductions, with a cumulative net decrease of 149 million shares [1]. Group 2: Current Holdings - As of now, southbound funds hold 771 million shares of Sinopec Oilfield Service, which represents 14.23% of the company's total issued ordinary shares [1]. Group 3: Company Overview - Sinopec Oilfield Service Corporation is engaged in providing comprehensive oil and gas engineering and technical services, operating through five divisions [2]. - The Geophysical Engineering Division offers land and marine geophysical exploration and development technical services [2]. - The Drilling Engineering Division provides design, construction, technical services, and drilling equipment for land and marine drilling [2]. - The Logging Engineering Division is involved in the collection, monitoring, transmission, processing, interpretation, and evaluation of wellbore oil and gas, geological, and engineering information [2]. - The Downhole Operations Engineering Division offers petroleum engineering technical services and construction [2]. - The Engineering Construction Division conducts feasibility studies, design, procurement, and construction for land and marine oilfield projects [2].

Core Viewpoint - Southbound funds have reduced their holdings in Sinopec Oilfield Service Corporation (01033.HK) by 18.72 million shares on February 10, with a total net reduction of 44.63 million shares over the last five trading days and 114 million shares over the last 20 trading days [1] Company Overview - Sinopec Oilfield Service Corporation is engaged in providing comprehensive oil and gas engineering and technical services in China [1] - The company operates five divisions: - Geophysical Engineering Division, which offers land and marine geophysical exploration and development technical services - Drilling Engineering Division, which provides land and marine drilling design, construction, technical services, and drilling equipment - Logging Engineering Division, which conducts engineering contracting and technical services for collecting, monitoring, transmitting, processing, interpreting, and evaluating wellbore oil and gas, geological, and engineering information - Downhole Operations Engineering Division, which offers petroleum engineering technical services and construction - Engineering Construction Division, which provides feasibility studies, design, procurement, and construction for land and marine oilfield construction projects [1] Shareholding Information - As of now, southbound funds hold 808 million shares of Sinopec Oilfield Service Corporation, accounting for 14.91% of the company's total issued ordinary shares [1]

Group 1 - The core point of the news is that Sinopec Oilfield Service Corporation's stock increased by 5.21% to 3.03 CNY per share, with a trading volume of 1.26 billion CNY and a turnover rate of 3.22%, resulting in a total market capitalization of 57.44 billion CNY [1] - Sinopec Oilfield Service Corporation, established on November 21, 1994, and listed on April 11, 1995, is primarily engaged in engineering and technical services for oil and gas exploration and development [1] - The company's main business revenue composition includes drilling (49.10%), engineering construction (23.37%), special downhole operations (13.87%), geophysics (4.89%), logging (4.67%), and other services (2.99%) [1] Group 2 - From the perspective of the top ten circulating shareholders, Southern Fund's Southern CSI 500 ETF (510500) reduced its holdings by 1.4285 million shares in the third quarter, now holding 59.2787 million shares, which accounts for 0.31% of the circulating shares [2] - The Southern CSI 500 ETF (510500) was established on February 6, 2013, with a latest scale of 144.69 billion CNY, achieving a year-to-date return of 9.14% and a one-year return of 47.6% [2] - The fund manager of Southern CSI 500 ETF is Luo Wenjie, who has a cumulative tenure of 12 years and 294 days, with the fund's total asset scale at 171.358 billion CNY [3]

Core Viewpoint - The stock of Sinopec Oilfield Service Corporation experienced an abnormal trading fluctuation, with a cumulative closing price increase of over 20% over three consecutive trading days from January 27 to January 29, 2026 [2][4]. Group 1: Stock Trading Abnormality - The company's A-share stock price deviated significantly, with a cumulative increase exceeding 20% over three consecutive trading days [2][4]. - This fluctuation is classified as an abnormal trading event according to the Shanghai Stock Exchange trading rules [2][4]. Group 2: Company Verification and Situation - The company conducted a self-examination and confirmed that there are no undisclosed significant matters related to the company or its controlling shareholder, Sinopec Group [5][6]. - The company's production and operational status remain normal, with no significant changes in market conditions or industry policies [5]. - There have been no media reports or market rumors that could impact the company's stock price [7]. Group 3: Sensitive Information - No other significant events that could greatly affect the company's stock price have been identified [8]. - During the period of stock price fluctuation, company directors and senior management did not engage in buying or selling the company's stock in the secondary market [8].

Group 1 - The core announcement is about the public notice of candidates for the construction service of the integrated collaborative research platform for petroleum geological engineering by CNOOC Energy Development Co., Ltd. [1] - CNOOC Energy Development has made investments in 61 companies and participated in 50,549 bidding projects [1] - The company holds 103 trademark registrations, 4,304 patents, and 392 copyright registrations, along with 61 administrative licenses [1] Group 2 - The procurement was awarded to Tracy Energy Technology Co., Ltd. with a winning bid amount of 5,512,000 [2] - The project is located in Tianjin and was published on January 26, 2026 [2]

Core Insights - Daqing Drilling Engineering Company achieved a remarkable 14.5-fold increase in external market share for its core sampling technology service in 2025, showcasing its strong technical capabilities and effective talent empowerment strategies [1] Group 1: Talent Development and Market Expansion - The Engineering Technology Research Institute faced challenges in expanding into external markets due to outdated mindsets and operational models, prompting a shift towards proactive market engagement [2] - The institute implemented a "project-based + compensation incentive" mechanism, linking project profit margins to employee income, thereby breaking the "averaging" approach and fostering a competitive environment [2] - A comprehensive talent development strategy was established, focusing on nurturing leaders, key personnel, and young talents through practical platforms to accelerate their growth [2] Group 2: Technical Achievements - The Engineering Technology Research Institute adopted a "task responsibility + expert guidance" model to achieve significant technical breakthroughs, including a 98.38% core recovery rate using self-developed pressure-maintaining core sampling tools [4] - The institute successfully completed China's first CCUS pressure-maintaining nuclear magnetic scanning core sampling operation, achieving "three 100%" milestones [4] - Young project managers and technical personnel have emerged as key contributors, demonstrating that performance can transcend traditional seniority constraints [4] Group 3: Service Enhancement - The institute transitioned from "single technology output" to "integrated solution provision," utilizing a "dual mentor + project leader" system to support youth development [5] - A tailored integrated solution was developed for client needs in the Sichuan-Chongqing region, exemplified by the low-invasion core sampling drill developed for the Gupage 1906 well project, supporting 180 million tons of shale oil reserves [5] - The institute established a "production, learning, research, and application" platform, creating a virtuous cycle where project outcomes contribute to talent development [5]

Core Viewpoint - China Petroleum & Chemical Corporation (Sinopec) has officially completed the acquisition of a stake in Beijing Shihua Smart Technology Co., Ltd. (referred to as "Shihua Smart") [1] Group 1: Company Overview - Shihua Smart is established by Sinopec's subsidiaries including Jingwei Company, Geological Exploration Institute, Geophysical Exploration Institute, and Capital Company [1] - The company focuses on the research and application of distributed fiber optic monitoring and intelligent petroleum engineering technology [1] Group 2: Business Focus - Shihua Smart aims to provide integrated and one-stop solutions for customers utilizing distributed fiber optic technology [1]

Core Viewpoint - The launch of FracAgent V1.0 by Sinopec's Petroleum Engineering Technology Research Institute signifies a breakthrough in China's unconventional oil and gas development, achieving self-sufficiency in intelligent fracturing technology and breaking foreign monopolies [1] Background and Industry Pain Points - Unconventional oil and gas resources are highly valued due to their significant reserve potential, but their extraction is challenging due to unique geological conditions, making traditional exploration techniques inadequate [2] - The hydraulic fracturing technology has become the preferred method for economically extracting unconventional oil and gas resources, yet the market has been dominated by foreign software products that do not meet China's complex geological needs, necessitating domestic software development [2] Technical Breakthrough: Core Advantages of Intelligent Fracturing Software - FracAgent V1.0 features three core functions under the "one base, dual intelligence" framework, covering the entire process from data collection to decision-making [3] - The system integrates hardware and software, achieving L3-level semi-autonomous intelligence, and utilizes a cloud platform for data management and algorithm scheduling [3] - Key functionalities include a geological engineering data platform for efficient data management, an intelligent fracturing design that enhances single well design efficiency by 80%, and a decision-making module that provides real-time simulation and over 90% accuracy in decision-making [3] Application Effectiveness: Field Practice Validating System Reliability - FracAgent V1.0 has been applied in over 80 wells and 1,000 fracturing operations across shale oil and gas regions, demonstrating significant improvements in design cycle times and predictive accuracy [4] - The system successfully predicted pressure increases during fracturing operations, allowing for timely interventions that prevented operational issues [4] Future Outlook: Dual Significance for Energy Security and Industrial Upgrade - The intelligent fracturing technology is transitioning from academic research to industrial application, with promising development prospects [5] - FracAgent V1.0 has been recognized as an excellent case in AI technology for oil and gas, aiming for further advancements towards L5-level standards and nearly unmanned operations, thereby providing robust technical support for the effective development of China's unconventional oil and gas resources [5]

Group 1 - The State Intellectual Property Office of China has granted a patent to Tianjin Huajie Petroleum Engineering Technology Service Co., Ltd. for a method and system for determining the calibration cycle of instruments, with the authorization announcement number CN120429525B and an application date of April 2025 [1] - Tianjin Huajie Petroleum Engineering Technology Service Co., Ltd. was established in 2015 and is located in Tianjin, primarily engaged in professional technical services [1] - The company has a registered capital of 2 million RMB and has participated in 14 bidding projects, holds 1 patent, and possesses 17 administrative licenses according to data analysis from Tianyancha [1]