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          歡迎訪問山東潤東石油機械有限公司官方網站!
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          川鉆70139井隊-缸套

          發布時間:2022-09-23 文章來源:本站原創 閱讀量:416

          Tesed by 70139 drilling team of Sinopec Southwest Petroleum Sichuan Drilling Company, the service time of our liners reach 796 hours, which is two times longer than ordinary liners. Working condition is : stroke 389.8 & impulse 80-85& pump pressure 25Mpa & sand content 0.27.

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