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本文通过对影响套管受力状态主要因素的分析,推导出一套计算套管初拉力的公式。计算结果比国外资料公布的结果要好,而且具有简明易用的特点。
Based on the analysis of the main factors affecting the stress state of casing, a set of formulas for calculating the initial pulling force of casing is deduced. The calculation result is better than the result of foreign data release, and has the characteristics of conciseness and ease of use.