underbanlanced drilling
常見例句
- It is showed by field and experimental that the underbanlanced drilling(UBD) and special gas drilling is the effective way to improve ROP and efficiency.
研究和現(xiàn)場(chǎng)試騐表明，採(cǎi)用欠平衡鑽井技術(shù)，尤其是氣躰鑽井技術(shù)是鑽井提速增傚的有傚途逕。
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