Full-scale fatigue test of drill pipe and borehole tests of drill pipes containing defects prove the reliability of assessment methods and software posed in this paper.

通过钻杆全尺寸疲劳试验和含有缺陷钻杆的井下试验，证明了本文提出的评价方法和软件是可靠的。

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Well TK431 was a test well drilled in this area trying to solve the problem of borehole instability.

TK 431井是在该地区实施的一口解决该井段井眼失稳问题的试验井。

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The test results are compared with Lugeon test results in the same borehole and statistical analysis of permeability test results in other areas.

并与同一钻孔中的常规压水试验结果以及其他地区渗透系数测试数据的统计分析资料进行了对比。

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Coastal Oil and Gas was last year granted planning permission to dig a borehole to test for gas below farmland in Kent in what has been described as a similar scheme.

BBC: Public inquiry over gas drilling in Vale of Glamorgan