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hg1 kong man yan fang xie fang fa chu tan
Author(s): 
Pages: 50-51+16
Year: Issue:  1
Journal: Hydrogeology and Engineering Geology

Keyword:  方法初探防斜石油钻井孔斜度终孔深度钻具组标准孔天津市深孔渤海;
Abstract: <正> HG1孔系天津市渤海海涂勘探的第一个标准孔。设计孔深700米,孔径不小于130毫米。终孔斜度不大于3°。单是孔斜一项,就大大超出了我队700米深孔8°30′的历史最好水平。为此,我们在分析了普通防斜方法的利弊之后,参考了石油钻井防斜的经验,设计了满眼防斜钻具组,终孔深度700.75米,孔斜2°30′。取得了良好的效果。现对有关情况作一介绍和进行一些探讨。
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