Yang Shi Xin Wen·2025-07-26 17:09Core Insights - China's largest coalbed methane field, the Daji gas field, has achieved an annual production capacity exceeding 2.5 billion cubic meters, marking a significant milestone in unconventional natural gas resource development [1] Group 1: Production Capacity and Techniques - The Daji gas field's production capacity has surpassed 2.5 billion cubic meters, indicating a successful breakthrough in coalbed methane extraction [1] - Traditional theories considered coalbed methane deposits deeper than 1,500 meters as development zones; however, advancements in technology have enabled effective extraction from these depths [1] - The drilling operations utilize intelligent control systems to enhance drilling efficiency and precision [1] Group 2: Innovations in Drilling and Cost Efficiency - The company has implemented a new drilling model that allows for horizontal drilling lengths of up to 3,036 meters, setting records for the longest horizontal section and fastest mechanical drilling speed in China [1][3] - This innovative drilling approach aims to achieve the production output of two wells from a single well, thereby reducing costs and shortening the production cycle by nearly 30% [3] Group 3: Automation and Data Management - At the gas collection station in Linfen, over 200 sensors are employed to collect real-time data on pressure, flow, and temperature, which is transmitted to a remote control center for analysis [5] - The transition from manned to unmanned operations at the collection station has enhanced automation, allowing for more precise and timely production management through big data analysis [7]