Pendulum assembly is a kind of BHA for hole straightening, which is applied widely in drilling practice.
钟摆钻具是一种常用的纠斜钻具组合，在钻井中应用极为广泛。
Pendulum assembly is a kind of BHA for hole straightening, which is applied widely in drilling practice.
倒装钟摆钻具组合是一种新型的直井防斜钻具组合，在小井斜角高钻压下表现出了较好的防斜特性。
Pendulum assembly is a kind of BHA for hole straightening, which is applied widely in drilling practice.
倒装钟摆钻具组合是一种新型的直井防斜钻具组合，在小井斜角高钻压下表现出了较好的防斜特性。
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