最近 ,由四川石油管理局井下作业处承担的青海油田伊深 1井长尾管固井施工获得成功 ,施工质量达到设计要求 ,为拓宽复杂井固井技术服务市场打下良好基础。伊深 1井是青海油田分公司的一口重点区域探井。该井施工难度大 :①裸眼井段长达 12 33.2 4ｍ (井深 2 846 .16～40 79.40 Recently, the long tail pipe cementing construction of the Iraqi deep well 1 in Qinghai Oilfield, which was undertaken by the underground operation department of Sichuan Petroleum Administration Bureau, succeeded. The construction quality meets the design requirements and laid a good foundation for expanding the service market of well cementing technology in complicated wells. Iraq deep well 1 is a key area of ​​Qinghai Oilfield exploration wells. The well construction difficulty: ① open-hole section up to 12 33.2 4m (well depth 2 846.16 ~ 40 79.40