When the production tail of a well comes, sand production is very common in sandstone reservoirs. It is necessary to proceed a cleanout service.
当油井进入生产后期后，许多疏松砂岩油藏出砂现象非常普遍，这时候需要对油井进行冲砂作业。
The parameter calculation method in well sand cleanout in lower pressure formation is given.
本文给出了计算低压地层水平井冲砂的参数计算方法。
The study on well sand cleanout in lower pressure formation is of important economic value and practical significance.
研究低压地层水平井冲砂具有重要的经济价值和现实意义。
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