1) Ultra Low Dropout
超低漏失
3) ultralow backstreaming
超低漏泄
4) low-pressure absorption well
低压漏失井
1.
To solve effectively the problem of sand removing in low-pressure absorption wells,a drilling sand pump was developed.
为了有效解决低压漏失井的井下清砂问题,研究开发了一种具有钻进功能的捞砂泵。
2.
It is proved by the field application that it can pump out the sandy liquid from the low-pressure absorption well effectively.
实践证明 ,该泵可有效地将低压漏失井砂液抽
5) thief formation
低压漏失层
6) Wells with Severe Lost Circulation
漏失低返井
补充资料：漏失
1.遗漏;失误。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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