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    • 12. 发明申请
    • Methods of treating subterranean formations using hydrophobically modified polymers and compositions of the same
    • 使用疏水改性聚合物及其组合物处理地下地层的方法
    • US20080139411A1
    • 2008-06-12
    • US11635980
    • 2006-12-07
    • Phillip C. HarrisStanley J. HeathGary P. Funkhouser
    • Phillip C. HarrisStanley J. HeathGary P. Funkhouser
    • C09K8/00
    • C09K8/685
    • Among the many embodiments provided by the invention, in one embodiment, a method is presented that comprises: providing a treating fluid comprising water, a charged polymer in an amount in the range of from about 2000 to about 20000 ppm, and a surfactant having a charge that is opposite to that of the charged polymer, the surfactant being capable of forming a micellar bond between a hydrophobic group on the polymer and a hydrophobic group on the same or an adjacent polymer molecule to form a crosslink; and placing the treating fluid into a well bore. Another embodiment provides a method that comprises: providing a viscosified treating fluid comprising: water; a charged polymer in an amount in the range of from about 2000 to about 20000 ppm; a surfactant having a charge that is opposite to that of the charged polymer; and at least one micellar association of between the surfactant with the charged polymer; and placing the viscosified treating fluid into a well bore.
    • 在本发明提供的许多实施方案中,在一个实施方案中,提出了一种方法,其包括:提供包含水,约2000至约20000ppm范围内的带电聚合物的处理流体,以及具有 电荷与带电聚合物的电荷相反,表面活性剂能够在聚合物上的疏水基团和相同或相邻的聚合物分子上的疏水基团之间形成胶束键以形成交联; 并将处理流体放置在井眼中。 另一个实施方案提供了一种方法,其包括:提供稠化处理流体,其包含:水; 一种带电聚合物,其量为约2000至约20000ppm; 具有与带电聚合物相反的电荷的表面活性剂; 和表面活性剂与带电聚合物之间的至少一个胶束缔合; 并将稠化的处理流体放入井眼中。