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川鉆70139井隊-活塞

發布時間:2022-09-23 文章來源:本站原創 閱讀量:374

 

Tesed by 70139 drilling team of Sinopec Southwest Petroleum Sichuan Drilling Company, the service time of our pistons reach 560 hours, which is more than three times longer than ordinary pistons. Working condition is : stroke 389.8 & impulse 80-85& pump pressure 25Mpa & sand content 0.27.

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