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    • 4. 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。
    • 6. 发明申请
    • Methods and compositions for reducing the viscosity of treatment fluids
    • 降低处理液粘度的方法和组合物
    • US20050194139A1
    • 2005-09-08
    • US10794607
    • 2004-03-05
    • Robert HanesJimmie WeaverBilly Slabaugh
    • Robert HanesJimmie WeaverBilly Slabaugh
    • C09K8/06C09K8/68E21B43/16
    • C09K8/68C09K8/06
    • The present invention provides a method of reducing the viscosity of a viscosified treatment fluid comprising the steps of: providing a viscosified treatment fluid that comprises water, a crosslinked gelling agent, and a delinking composition capable of delinking at least a portion of the crosslinked gelling agent wherein the delinking composition comprises a delinking agent; and allowing the crosslinked gelling agent and the delinking composition to interact so as to delink at least a portion of the crosslinked gelling agent. The present invention also provides methods of reusing viscosified treatment fluids, methods of fracturing subterranean formations, and methods of gravel packing subterranean formations. The present invention also provides delinking compositions capable of delinking at least a portion of a crosslinked gelling agent; and a viscosified treatment fluid comprising water, a crosslinked gelling agent, and a delinking composition capable of delinking at least a portion of the crosslinked gelling agent wherein the delinking composition comprises a delinking agent.
    • 本发明提供一种降低稠化处理流体粘度的方法,包括以下步骤:提供一种增稠处理流体,其包括水,交联胶凝剂和能够使交联胶凝剂的至少一部分脱胶的脱胶组合物 其中所述脱胶组合物包含脱胶剂; 并且允许交联的胶凝剂和脱胶组合物相互作用以使至少一部分交联的胶凝剂脱胶。 本发明还提供了使用稠化处理流体的方法,压裂地下地层的方法,以及砾石填充地下地层的方法。 本发明还提供能够使交联胶凝剂的至少一部分脱胶的脱胶组合物; 以及包含水,交联胶凝剂和能够使交联胶凝剂的至少一部分脱胶的脱胶组合物的增稠处理流体,其中脱胶组合物包含脱胶剂。