塔河油田T904井硅酸盐聚磺钻井液设计与施工

Natural Gas Exploration and Development(2007)

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Abstract
塔河油田T904井地质预告,在石炭系有20m膏盐岩,盐上和盐下地层承压能力低。在分析地质特点的基础上,针对难点,设计了具有稳定井壁、抗盐膏侵、防漏堵漏与保护油气层作用的硅酸盐聚磺钻井液,并确定了钻井液配方及性能参数,制定出相应的技术对策。应用表明,聚磺硅酸盐钻井液施工段井壁稳定,井身质量达到优质标准;携岩能力强,能及时将井底的岩屑带出地面,提高了钻井速度。电测、下套管、固井等完井作业顺利,能够满足钻井、录井、环保等施工要求。
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Key words
wall stability,Tahe oilfield,drilling fluid,resistance to pollution of salt gypsolyte
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