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1)  negative pressure washing
负压洗井
1.
Application of negative pressure washing in low permeable reservoirs;
负压洗井技术在低渗透油田开发中的应用
2)  pressurized flushing
带压洗井
1.
Considering the JHX5252TJC well-flushing vehicle\'s incapability to perform pressurized flushing and to conduct field water supplement as well as to carry out backflushing of the filtering equipment,and its inability to reach the standard for water filtration,a technological improvement was conducted on the vehicle\'s filtering system.
针对JHX5252TJC型洗井车不能实现带压洗井、无法在现场补水和对过滤设备反冲洗、水质过滤不达标及运行成本高的问题,对该洗井车的过滤系统进行了技术改造。
3)  underbalanced drilling
负压钻井
1.
An analysis on influential parameters for modeling permeability profile during underbalanced drilling in horizontal wells
水平井负压钻井渗透率剖面计算模型影响参数
2.
Diesel engine tail gas drilling is a kind of gas-based underbalanced drilling, with advantages of protecting oil/gas reservoirs and improving ROP.
柴油机尾气负压钻井属气基欠平衡钻井,具有保护油气层和提高钻井速度等优点,但柴油机尾气成分复杂对石油管材可产生不同程度的腐蚀。
4)  negative pressure well
负压井
5)  high-pressure well-flushing truck
高压洗井车
6)  Bottom under-balanced value
井底负压值
补充资料:压洗
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性质:化学纤维后处理的一道工序。利用压力以洗液迅速洗去化学纤维成形后所含的少量杂质。将筒管纺丝所得的丝铜管或离心纺丝所得的丝饼接叠成一中空的圆筒,然后将洗液由圆筒的中央通过纤维层压出圆筒外,使纤维受到充分的洗涤。洗涤也可将洗液由纤维层的外部压入筒管内部而从其中央流出。用于粘胶纤维的洗涤、脱硫、漂白以及聚已内酰胺纤维的洗涤等。丝饼也可先制成丝纹,然后用喷水法洗涤。

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