Pick up drill stem test tool.

提起钻柱测试工具。

youdao

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。

youdao

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。

youdao