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水平井技术已成为苏里格气田高效发展的强力推手,是提高单井高效开发的重要措施。2013年4月22日,以100天13小时完钻的苏5-15-17AH井成为国内陆上第一口超长水平井。这口井由中国石油川庆钻探工程公司70165钻井队承钻。针对长裸眼水平段管柱摩阻大、滑动托压等施工难题,70165钻井队根据井段及地层特性,优化钻井参数及钻具组合,优选钻头和螺杆,破解施工瓶颈。为预防发生井下事故,70165钻井队严格落实钻井大班全天候跟班和双坐岗制,与录井队配合随时监控各项指标变化,抓好技术措施执行。
Horizontal well technology has become a powerful promoter for the efficient development of the Sulige gas field and is an important measure to improve the efficient development of single well. On April 22, 2013, Well Su-5-15-17AH drilled in 100 days and 13 hours became the first super-long horizontal well in mainland China. The well was drilled by a 70,165-well drilling crew of China’s Chuanqing Drilling Engineering Company. In view of the large frictional resistance and sliding support pressure in the horizontal section of the naked eye, the 70165 drilling crew optimized the drilling parameters and the combination of drilling tools according to the well section and stratum characteristics, optimized the drill bit and the screw, and solved the construction bottleneck. In order to prevent downhole accident, 70165 drilling team rigorous implementation drilling all-weather follow-up classes and double post system, with the logging team to monitor changes in the indicators at any time, do a good job of technical measures.