煤岩气开发技术创新
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我国最大煤岩气田日产量突破千万立方米
Zhong Guo Neng Yuan Wang· 2025-12-18 08:17
Core Insights - The Dajisi gas field, China's largest coalbed methane field, achieved a daily gas production of 10.12 million cubic meters on December 8, marking a 56% year-on-year increase, demonstrating strong production momentum [1] - The field has consistently surpassed production milestones of 7, 8, 9, and 10 million cubic meters this year, contributing significantly to alleviating natural gas supply-demand conflicts and ensuring national energy security [1] - The company has positioned coalbed methane development as a strategic focus, innovating key technologies that enhance the efficiency and scale of gas field development [1][2] Production and Technological Advancements - The company has developed a "large-scale fracturing and penetration" modification concept for deep coal reservoirs, leading to the establishment of the "extreme volume fracturing" technology path [2] - The Jishen 6-7 Ping 01 well tested a daily gas production of 101,000 cubic meters in October 2021, marking a significant breakthrough in deep coalbed methane commercial development [2] - The Dajisi gas field has become a benchmark for coalbed methane development, with single wells achieving daily gas production exceeding 100,000 cubic meters, significantly higher than shallow gas wells [3] Achievements and Recognition - The Dajisi gas field has produced over 1 billion cubic meters from multiple high-yield well clusters, with the Jishen 11-6 well group being the 15th to reach this milestone [3] - The Jishen 10-8 Ping 01 well has set records for stable production duration, capacity, and ultimate recoverable reserves (EUR) over a 30-month period [3] - The company received accolades for its contributions to coalbed methane exploration, including a special award for breakthroughs in the Ordos Basin and recognition for the Dajisi block as a world-class super-large deep coalbed methane field [2]
雪中送“气”,我国最大煤岩气田日产气突破千万立方米!
中国能源报· 2025-12-12 10:23
Core Insights - The article highlights the significant advancements in coalbed methane (CBM) production in China, particularly at the Daqi Gas Field, which has achieved a daily gas production of 1.012 million cubic meters, marking a 56% year-on-year increase [2] - The article emphasizes the strategic focus of China National Petroleum Corporation (CNPC) on coalbed methane development, showcasing innovative technologies that have propelled production and efficiency [2][6] Group 1: Production Achievements - The Daqi Gas Field has consistently surpassed production milestones, achieving daily outputs of over 700, 800, 900, and 1,000 million cubic meters throughout the year, demonstrating a robust upward trend in production capacity [2] - The field has reached an annual production capacity of 300,000 tons of oil equivalent, playing a crucial role in alleviating natural gas supply-demand imbalances and ensuring national energy security [2] Group 2: Technological Innovations - CNPC has developed key technologies such as "black gold target dense network fracturing" and "geological engineering integrated guidance," which have been instrumental in enhancing the scale of gas field development [2] - The company has successfully implemented a "large-scale fracturing penetration" approach, leading to the first commercial breakthrough in deep coalbed methane development with the Jishen 6-7 well, which achieved a daily gas production of 10.1 thousand cubic meters [6] Group 3: Research and Recognition - CNPC's research team has made significant contributions to the understanding of deep coalbed gas reservoirs, revealing a dual-phase gas storage model that supports efficient resource extraction [6] - The Daqi Gas Field has been recognized as a benchmark for coalbed methane development, with multiple high-yield wells achieving cumulative gas production exceeding 100 million cubic meters [8]
我国最大煤岩气田日产气突破千万立方米
Zhong Guo Neng Yuan Wang· 2025-12-12 10:05
Core Insights - The daily gas production of the Daqi Gas Field, China's largest coalbed methane field, reached 10.12 million cubic meters on December 8, 2023, marking a 56% year-on-year increase, demonstrating strong production momentum [1] - The gas field has consistently surpassed production milestones of 7, 8, 9, and 10 million cubic meters this year, achieving an annual production capacity of 3 million tons of oil and gas equivalent, which is significant for alleviating natural gas supply-demand conflicts and ensuring national energy security [1] Group 1 - The company has positioned coalbed methane development as a strategic focus, innovating a theoretical framework for coalbed gas enrichment and successfully developing key technologies such as "black gold target body dense network fracturing" and "3000-meter ultra-long horizontal sections" [3] - Prior to the 14th Five-Year Plan, traditional exploration theories considered coal seams deeper than 1500 meters to have low gas content and high development costs, viewing them as "forbidden zones" for coalbed gas development [3] - The company broke this paradigm by successfully producing gas from a test well at a depth of over 2000 meters, revealing the development potential of deep coalbed gas [3] Group 2 - The research team has developed five core technologies with independent intellectual property rights, providing solid support for the efficient development of the Daqi Gas Field [5] - The Daqi Gas Field has become a benchmark for coalbed gas development, with single wells achieving daily gas production exceeding 100,000 cubic meters, significantly outperforming shallow gas wells [6] - The cumulative gas production from the Jishen 11-6 well pad has surpassed 100 million cubic meters, marking it as the 15th high-yield well pad in the gas field [6]