大港油田大位移定向井钻井液技术

Drilling fluid technology for extended-reach directional well in Dagang oil field

总结了大港油田大位移定向井钻井液的施工经验,以及井眼净化、井壁稳定和润滑防卡三个关键的技术问题的解决方法。例举了三口井的现场钻井液使用情况。

Drilling fluid systems and formulation used for extended-reach directional drilling in Dagang oil field are introduced. The technology to solve the problems encountered, including hole cleaning, well-bore stabilization and lubrication are analysed in detail. Applications in 3 wells are presented.