Swelling inhibitors for clays and shales
    1.
    发明公开
    Swelling inhibitors for clays and shales 审中-公开
    SchwerhemmerfürTon und Schieferton

    公开(公告)号:EP2062957A1

    公开(公告)日:2009-05-27

    申请号:EP08169474.7

    申请日:2008-11-20

    申请人: Lamberti Spa

    IPC分类号: C09K8/12 C08G59/50

    摘要: Method for inhibiting the hydration of clays and shales during drilling operations, which includes the use of a water based drilling fluid that contains as clay and shale inhibitor from 0.2 to 5 % by weight of the reaction products of an epoxy resin with at least one primary or secondary aliphatic or cycloaliphatic amine.

    摘要翻译: 用于在钻井操作期间抑制粘土和页岩的水化的方法,其包括使用水基钻井液,其包含作为粘土和页岩抑制剂的0.2至5重量%的环氧树脂与至少一个主要原料的反应产物 或仲脂族或脂环族胺。