Pick up drill stem test tool.

提起钻柱测试工具。

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DST (drill Stem test), a fast test for show of oil and gas while drilling.

即中途测试，是指油井在钻井过程中，对有。

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Drill stem test plays an important role in drilling operation. It is easy to fail or to cause complicated down hole situations if conducted improperly.

中途测试在钻井施工中具有重要的作用，如果测试措施不到位，容易导致测试失败或发生钻井复杂情况。

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Drill stem test plays an important role in drilling operation. It is easy to fail or to cause complicated down hole situations if conducted improperly.

中途测试在钻井施工中具有重要的作用，如果测试措施不到位，容易导致测试失败或发生钻井复杂情况。

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