歡迎訪問山東潤東石油機械有限公司官方網站!
            客戶評價 客戶評價

            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:443

             

            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.

                    亚洲国产成人久久精品APP