The result shows that the main reasons are high bottom hole temperature, corrosion of drilling tool during storage and drilling process, high value of formation drillability, and multi-fault.
结果表明，井底温度高、钻具存放及钻井过程中的腐蚀和地层可钻性级值高且断层多，是该地区钻具失效的主要原因。
In log interpretation, the bottom hole temperature (BHT) is taken as the maximum recorded temperature during a logging run, or preferably the last of series of runs during the same operation.
在测井解释中，井底温度(BHT)一般为一次测量中或者同一次测井作业的最后一次测量中所记录的最高温度。
The term refers particularly to a mud sample that has experienced stagnant conditions at the bottom of the hole, including the temperature, pressure and other conditions at that depth.
这个词特指那些经过停滞状态的井底泥浆样本，包括温度、压力和这个深度的其它情况。
The results show that the test error of sample A with large angle coefficient of hole bottom is under 5%, and will become smaller with the increase of furnace temperature;
结果表明，孔底角度系数较大的试样A的检测误差<5%，并且随着炉膛温度的提高，其检测精度也随之提高；
The results show that the test error of sample A with large angle coefficient of hole bottom is under 5%, and will become smaller with the increase of furnace temperature;
结果表明，孔底角度系数较大的试样A的检测误差<5%，并且随着炉膛温度的提高，其检测精度也随之提高；
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