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    • 4. 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。
    • 9. 发明授权
    • Aqueous gel fluids and methods of treating subterranean formations
    • 水性凝胶流体和处理地下地层的方法
    • US5439059A
    • 1995-08-08
    • US209381
    • 1994-03-08
    • Phillip C. HarrisLewis R. Norman
    • Phillip C. HarrisLewis R. Norman
    • C09K8/62C09K8/68E21B43/267
    • C09K8/685C09K8/62Y10S507/924
    • A gel fluid for treating a subterranean formation penetrated by a well bore including an aqueous liquid, an organic gelling agent and at least about 0.05% by weight, based on the weight of the aqueous liquid, of a broken gel fragment stabilizer. The gel fluid can optionally include crosslinking agents, proppant materials, pH buffers and other components. The broken gel fragment stabilizer is a dialkyl sulfosuccinate that has dispersing properties sufficient to diminish the propensity of broken gel fragments formed when the gel fluid breaks to agglomerate. Also provided is a method of treating a subterranean formation penetrated by a well bore. The inventive gel fluid and method are particularly suitable for fracturing a subterranean formation to stimulate the production of hydrocarbons therefrom.
    • 一种凝胶流体,用于处理由包含水性液体,有机胶凝剂的井眼穿透的地层,并且基于水性液体的重量,至少约0.05重量%的破裂的凝胶片段稳定剂。 凝胶流体可任选地包括交联剂,支撑剂材料,pH缓冲剂和其它组分。 破碎的凝胶片段稳定剂是二烷基磺基琥珀酸盐,其具有足够的分散性能,以降低当凝胶流体破裂成团聚时形成的破裂的凝胶碎片的倾向。 还提供了一种处理由井眼穿透的地层的方法。 本发明的凝胶流体和方法特别适用于压裂地层以刺激烃的生产。