井筒堵漏与报废

[中文适用范围]： 本文件提供了关于设计、放置和验证用于临时或永久废弃井的水泥塞，以及环空屏障的修复和验证的指导。临时废弃（暂停）的井旨在未来重新进入。屏障的放置可能取决于井是临时废弃还是永久废弃。本文件中的信息具有一般性。井筒堵水和废弃实践将根据法规要求、井的类型和目的而变化。应针对每个井筒堵水作业应用健全的工程和操作实践。本文件不考虑水泥塞的长度。 [外文原描述]： This document provides guidance for the design, placement, and verification of cement plugs in wells to be temporarily or permanently abandoned, as well as remediation and verification of annular barriers. Wells temporarily abandoned (suspended) are intended to be re-entered in the future. The placement of barriers may depend on whether the well is to be temporarily or permanently abandoned. Cement plug lengths are not considered in this document.