underbanlanced drilling
常見(jiàn)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)試驗(yàn)表明，采用欠平衡鉆井技術(shù)，尤其是氣體鉆井技術(shù)是鉆井提速增效的有效途徑。
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