阶段水泥套管的产品评价、应用和测试

[中文适用范围]： 本文件提供了石油和天然气工业中用于固井应用的分段固井接箍的要求、指南和推荐做法。内容包括类型、应用、规格、验证、制造、作业计划和执行，以及预防和诊断问题。本文件不包括用于非固井应用或环空套管封隔器的分段固井接箍的使用。 [外文原描述]： Provides requirements, guidelines, and recommended practices for stage cementing collars used in cementing applications in the petroleum and natural gas industry. Information is included on the types, application, specification, validation, manufacturing, job planning and execution, and preventing and diagnosing problems. Use of stage cementing collars for non-cementing applications or annulus casing packers, or both, are outside the scope of this document. Products covered under another API or international specification are not included. This document does not cover the connections to the well conduit.