标准摘要
[中文适用范围]： 包括但不限于钻井、完井和修井等作业环节。 ***此介绍可能不准确，请注意参考原文。 [外文原描述]： ISO 10427-2:2004 provides calculations for determining centralizer spacing, based on centralizer performance and desired standoff, in deviated and dogleg holes in wells for the petroleum and natural gas industries. It also provides a procedure for testing stop collars and reporting test results.
英文名称Petroleum and natural gas industries — Equipment for well cementing — Part 2: Centralizer placement and stop-collar testing