Core Insights - The successful implementation of supercritical carbon dioxide injection technology by China Petroleum Southwest Oil and Gas Field Company marks a significant breakthrough in enhancing recovery rates in unconventional gas reservoirs [1][2] Group 1: Technology Implementation - The first supercritical CO2 injection test well, Wei 214, has been in stable production for over two months, resulting in an average daily increase of 0.83 thousand cubic meters of natural gas compared to pre-injection levels [1] - Wei 214 is located in the Weiyuan unconventional gas block and has produced a cumulative gas volume of 0.46 million cubic meters since its commissioning in July 2020 [1] Group 2: Operational Details - The company optimized the operational parameters for CO2 injection, including injection volume, speed, and shut-in time, to maximize CO2 storage efficiency [1][2] - During the trial, Wei 214 achieved a cumulative gas production increase of 51.5 thousand cubic meters, with CO2 content in the gas reducing from 23% to 12% [2] Group 3: Future Plans - The company plans to closely monitor the production dynamics of Wei 214 and conduct further effect analysis and benefit evaluation [2] - There is a focus on deepening the understanding of the mechanisms and process optimizations for supercritical CO2 injection in unconventional gas wells, aiming to establish a green low-carbon development demonstration project [2]