适用于钻井堵漏的丙烯酰胺类油基承托液室内研究

Petroleum Geology and Engineering(2017)

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Abstract
钻井堵漏施工中的承托液主要以高黏度稠浆为主,但其极易被地层水冲稀,无法起到承托目的.室内合成高分子聚合物BH-CTY,并将BH-CTY与油基液体复配,形成一种遏水增稠型油基承托液体.该承托液黏度可调,与清水、水基钻井液混合后,表观黏度大,具有很强的抗稀释性和抗盐能力,与水泥浆有较好的相容性,能满足施工中堵漏对承托液的各项要求,提高堵漏成功率.
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