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中国石油长庆油田第一采气厂妙手治理长停井“沉睡储量”变“实效增量”
Core Insights - The revival of the Jing**-**well, which had been inactive for 337 days due to wellbore issues, marks a significant achievement for the Changqing Oilfield's first gas production plant, with current daily output stabilizing at 20,000 cubic meters [1][4] - The plant has established a special task force for the recovery of long-dormant wells, focusing on revitalizing "sleeping reserves" as a key strategy for increasing production [1][3] Group 1: Recovery Strategies - The recovery of long-dormant wells was prioritized as an annual key task, with 502 dormant wells reviewed and 342 selected for targeted recovery based on remaining reserves and recovery conditions [3] - Techniques such as pressure maintenance work, oil pipe perforation, and nitrogen gas lifting have been successfully implemented in wells like Jing77-62H1, showcasing effective technical recovery methods [3] Group 2: Tailored Approaches - A categorized treatment approach was adopted, with specific recovery plans tailored to individual well conditions, ensuring efficient and effective recovery [3] - The plant has added 144 dormant wells to its recovery plan from March to September, with 117 wells already having recovery plans established [3] Group 3: Long-term Stability - The plant emphasizes the importance of not only reviving wells but also maintaining their production, implementing strict management and monitoring protocols [4] - As of October 24, the plant has successfully restored 440 dormant wells, contributing a total gas output of 609 million cubic meters, transforming previously inactive assets into substantial production support [4]