Drilling fluids
    9.
    发明授权
    Drilling fluids 有权
    钻井液

    公开(公告)号:US07012043B2

    公开(公告)日:2006-03-14

    申请号:US10289643

    申请日:2002-11-07

    IPC分类号: C09K7/02

    CPC分类号: C09K8/22 C09K8/06 C09K2208/12

    摘要: Drilling fluid additives that act to control clay swelling in drilled formations without adversely effecting the properties of the drilling fluid. The drilling fluid additives preferably comprise a polyether amine, a polyether amine derivative, or mixtures thereof. Drilling fluids that comprise such drilling fluid additives and a method of reducing clay swelling in drilled formations are also disclosed.

    摘要翻译: 用于控制钻井地层粘土膨胀的钻井液添加剂,而不会不利地影响钻井液的性能。 钻井液添加剂优选包含聚醚胺,聚醚胺衍生物或其混合物。 还公开了包括这种钻井液添加剂的钻井液和在钻井地层中减少粘土膨胀的方法。