This paper presents an investigation on the condition of drill pipe wash out occurred in 2004 in one oil field, and statistic analysis on the different type of drill pipe wash out were carried out.
对某油田2004年钻杆刺穿情况进行了调查研究，得到钻杆内加厚过渡带部位刺穿是钻杆刺穿失效的主要形式。
This paper presents an investigation on the condition of drill pipe wash out occurred in 2004 in one oil field, and statistic analysis on the different type of drill pipe wash out were carried out.
对某油田2004年钻杆刺穿情况进行了调查研究，得到钻杆内加厚过渡带部位刺穿是钻杆刺穿失效的主要形式。
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