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    • 9. 发明申请
    • Polymer mixtures for crosslinked fluids
    • 用于交联流体的聚合物混合物
    • US20070062703A1
    • 2007-03-22
    • US11229461
    • 2005-09-16
    • Harold WaltersBilly SlabaughJason Bryant
    • Harold WaltersBilly SlabaughJason Bryant
    • E21B43/26E21B43/25
    • C09K8/905C09K8/685C09K8/887C09K8/90
    • Treatment fluids comprising gelling agents that comprise crosslinkable polymers and certain biopolymers, and methods of use in subterranean operations, are provided. In one embodiment, the present invention provides a method of treating a portion of a subterranean formation comprising: providing a treatment fluid that comprises an aqueous base fluid, a crosslinking agent, and a gelling agent comprising a polymer that is a crosslinkable polymer, and a polymer that is a biopolymer wherein a molecule of the biopolymer (1) consists only of glucose, or (2) has a backbone comprising one or more units that comprise at least (a) one glucose unit and (b) one linear or cyclic pyranose-type monosaccharide unit, wherein (a) and (b) have different molecular structures; and introducing the treatment fluid into a well bore penetrating the subterranean formation.
    • 提供包含含有可交联聚合物和某些生物聚合物的胶凝剂的处理流体,以及在地下操作中使用的方法。 在一个实施方案中,本发明提供了一种处理地下地层的一部分的方法,包括:提供包含含水基础流体,交联剂和包含作为可交联聚合物的聚合物的胶凝剂的处理流体,以及 聚合物,其是生物聚合物(1)的分子仅由葡萄糖组成的生物聚合物,或(2)具有包含一个或多个包含至少(a)一个葡萄糖单元的单元的主链和(b)一种线性或环状吡喃糖 型单糖单元,其中(a)和(b)具有不同的分子结构; 并将处理流体引入穿透地下地层的井眼中。
    • 10. 发明申请
    • Polymer mixtures for crosslinked fluids
    • 用于交联流体的聚合物混合物
    • US20070062702A1
    • 2007-03-22
    • US11229254
    • 2005-09-16
    • Harold WaltersBilly SlabaughJason Bryant
    • Harold WaltersBilly SlabaughJason Bryant
    • E21B43/26
    • C09K8/90C09K8/685C09K8/887C09K8/905
    • Treatment fluids comprising gelling agents that comprise crosslinkable polymers and certain biopolymers, and methods of use in subterranean operations, are provided. In one embodiment, the present invention provides a treatment fluid comprising: an aqueous base fluid; a crosslinking agent; and a gelling agent comprising a polymer that is a crosslinkable polymer, and a polymer that is a biopolymer wherein a molecule of the biopolymer (1) consists only of glucose, or (2) has a backbone comprising one or more units that comprise at least (a) one glucose unit and (b) one linear or cyclic pyranose-type monosaccharide unit, wherein (a) and (b) have different molecular structures.
    • 提供包含含有可交联聚合物和某些生物聚合物的胶凝剂的处理流体,以及在地下操作中使用的方法。 在一个实施方案中,本发明提供了一种处理流体,包括:基础水溶液; 交联剂; 和包含作为可交联聚合物的聚合物的胶凝剂和作为生物聚合物的聚合物,其中所述生物聚合物(1)的分子仅由葡萄糖组成,或(2)具有包含至少包含一个或多个单元的主链 (a)一个葡萄糖单元和(b)一个线性或环状吡喃糖型单糖单元,其中(a)和(b)具有不同的分子结构。