4'套管井修井技术

摘要

A series of studies on 4 “casing accidental well are carried out in this paper based on integration of litter salvage, unplugging, safe separation, milling in high efficiency to set up a complete maintenance technologies of molding 4“casing wells.%本文针对中原油田4"套管事故井的修复难题进行了一系列的研究，通过对4"套管井内落物使用打捞、解卡、安全脱手、高效套磨铣等多种技术的综合应用，形成了一整套成型4"套管修井技术。