Core Insights - China Petroleum & Chemical Corporation (Sinopec) has successfully tested high-yield shale oil and gas flow from the Qilu Ye 1 well in the Qijiang District of Chongqing, indicating a significant new resource discovery in the Sichuan Basin [1] - The discovery of a billion-ton level shale oil reserve is strategically important for shale oil exploration and development in Southwest China, contributing to the long-term stability of the country's crude oil production [1] - Sinopec has intensified its shale oil exploration efforts, with new oil fields discovered in the Xinxing, Qintong, and Fuxing shale formations, contributing to national energy security [2] Group 1 - The Qilu Ye 1 well achieved a daily production of 38.64 cubic meters of oil and 10,000 cubic meters of natural gas, marking a high-yield shale oil gas flow [1] - The integration of geological engineering teams has led to the successful completion of drilling operations, with a horizontal section exceeding 2,000 meters and a 100% rate of encountering quality shale [1] - The new shale oil discovery complements the previously identified Qijiang shale gas field, forming a "gas below, oil above" resource structure in the region [1] Group 2 - The Xinxing oil field in the Bohai Bay Basin has proven geological reserves of over 140 million tons, while the Qintong oil field in the Jiangsu Province has reserves of 40.02 million tons [2] - The Fuxing oil field in the southeastern Sichuan Basin has proven reserves of 20.10 million tons of oil and 12.352 billion cubic meters of natural gas [2] - Sinopec's shale oil production is projected to reach 705,000 tons in 2024, an increase of 308,000 tons from the previous year [2]

Core Viewpoint - The successful completion of the closed-coring technology service for the Liye 106HF well by Shengli Oilfield Engineering Company, achieving an average recovery rate of 97.92%, has received high praise from the client [1]. Group 1: Technical Achievements - The Liye 106HF well has a maximum inclination of 41 degrees and has encountered multiple fractured zones, which posed challenges such as core sticking and blockage during the coring process [1]. - A dedicated project team was established to address these challenges, involving collaboration with the oilfield shale oil project department and the management center for difficult-to-move projects [1]. - The implementation of a "9-meter + 4-meter" dual-tube combination coring technique significantly enhanced coring efficiency, providing technical support for large-scale exploration and development of shale oil in the Shengli oil area [1].

Core Insights - The article discusses the advanced techniques employed by China National Petroleum Corporation (CNPC) in the Xinjiang oilfield, specifically the use of pressure-maintaining coring technology to analyze shale oil cores [1][3]. Group 1: Technology and Methodology - The pressure-maintaining coring technique is highlighted for its ability to effectively prevent the loss of light components in oil and gas, as well as changes in pore structure, thereby preserving the true fluid properties of the formation [1]. - This method provides a precise basis for studying the distribution of oil and water in reservoirs, evaluating reservoir characteristics, and developing extraction plans [1]. Group 2: Location and Significance - The Fengtan 101 well is located in the Ma Bei area of the Junggar Basin in Xinjiang, which is a key evaluation well due to its significant oil layer thickness and high production rates [3]. - The focus on pressure-maintaining coring at Fengtan 101 is a critical operation aimed at better understanding the characteristics of deep oil and gas reservoirs in the region [3].

7月31日，记者从中国石化新闻办获悉，由中国石化勘探分公司、江汉油田提交的复兴油田首期石油 2010.06万吨、天然气123.52亿立方米探明地质储量顺利通过自然资源部评审，标志着我国四川盆地首个 页岩层系油田诞生，这也是重庆市第一个油田，实现了我国西南地区页岩油"从无到有"的战略性突破， 开辟了四川盆地页岩油气勘探新领域和增储新阵地，对我国西南地区页岩油勘探开发具有重大战略意 义。（央视财经） ...

Core Viewpoint - The successful evaluation of the first phase of the Fuxing Oilfield's proven geological reserves marks a significant breakthrough in shale oil exploration in the Sichuan Basin, establishing it as the first shale oil field in the region and in Chongqing, which has strategic implications for the development of shale oil in Southwest China [1][2]. Group 1 - The Fuxing Oilfield has proven geological reserves of 10.06 million tons of oil and 12.352 billion cubic meters of natural gas, indicating a strategic breakthrough in shale oil exploration in the Sichuan Basin [1]. - The Sichuan Basin has historically been characterized by "rich gas and scarce oil," primarily focusing on natural gas exploration, with oil resources being relatively scarce [1]. - The successful drilling of the Taiye 1 well in 2021 yielded a daily production of 58.9 cubic meters of oil and 73,500 cubic meters of gas, marking a significant advancement in the exploration of shale oil and gas in the region [1]. Group 2 - Following the breakthrough at the Taiye 1 well, the exploration and development team has deployed multiple evaluation and experimental wells, significantly improving the accuracy of seismic predictions for high-quality shale and overcoming technical bottlenecks in land shale volume fracturing [2]. - The company has successfully identified three new shale oil fields: Xinxing, Qintong, and Fuxing, with Xinxing being the first shale oil field in China to reach a geological reserve of over 100 million tons [2]. - The annual production of shale oil is projected to reach 705,000 tons in 2024, representing an increase of 308,000 tons year-on-year [2].