井下腐蚀连续油管打捞工艺探究

Exploration of coiled tubing with downhole corrosion salvage craft

吴剑 伍兴东 王利刚

Wu Jian Wu Xingdong Wang Ligang

中国石化 西北油田分公司 雅克拉采气厂, 新疆 库车 842017

Yakela Gas Production Plant, SINOPEC Northwest Company, Kuqa, Xinjiang 842017, China

连续油管目前已在国内外油气田广泛运用于冲砂洗井、诱喷助排、酸化解堵、排液采气、钻井、打捞落鱼等钻井、井下以及采油气生产作业。随着连续油管应用越来越广，连续油管断脱现象时有发生，但是目前无论是在套管还是油管内，国内外均没有成型的处理工具及借鉴的案例。以雅克拉凝析气田作业1井腐蚀断脱的连续油管打捞实例进行探究，为后期处理此类问题提供借鉴依据。

Coiled tubing has been widely used in oil and gas fields both domestic and overseas at present. It is mainly used for operations of drilling, downhole operation and oil and gas production, such as sand-flushing, flowback inducing, acidizing, drainage gas recovery, drilling, and fishing fallen objects. With the application of coiled tubing more and more widely, coiled tubing often brakes, but whether it happens in casing or tubing, currently, there is no molding processing tools and reference case both domestic and overseas. A case study was made in the Yakela condensate gas field. Downhole corrosion salvage craft was applied to deal with coiled tubing, which could provide a reference for handling such problems in the future.

https://doi.org/10.11781/sysydz2016S1112