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    • 6. 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。
    • 7. 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。
    • 8. 发明申请
    • Subterranean treatment fluids with improved fluid loss control
    • 具有改善的流体损失控制的地下处理液
    • US20070244014A1
    • 2007-10-18
    • US11404352
    • 2006-04-14
    • Jimmie WeaverBilly SlabaughHarold Walters
    • Jimmie WeaverBilly SlabaughHarold Walters
    • C09K8/00
    • C09K8/035C09K8/512C09K8/68
    • Fluids useful as subterranean treatment fluids, and more particularly, polymeric fluid loss additives, subterranean treatment fluids with improved fluid loss control, and their associated methods of use, are provided. In one embodiment, the methods comprise: providing a treatment fluid that comprises a base fluid, and a polymeric fluid loss control additive that comprises at least a first plurality of polymer molecules having a first average molecular weight, and a second plurality of polymer molecules having a second average molecular weight, wherein the first average molecular weight is different from the second average molecular weight; and introducing the treatment fluid into a subterranean formation.
    • 提供了用作地下处理流体的流体,更具体地,涉及具有改进的流体损失控制的聚合物流体损失添加剂,地下处理流体及其相关联的使用方法。 在一个实施方案中,所述方法包括:提供包含基础流体的处理流体和包含至少第一多个具有第一平均分子量的聚合物分子的聚合物流体损失控制添加剂和具有第一多个聚合物分子的第二多个聚合物分子, 第二平均分子量,其中所述第一平均分子量不同于所述第二平均分子量; 并将处理流体引入地层中。