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    • 7. 发明申请
    • Aqueous Two-Phase Emulsion Gel Systems for Zone Isolation
    • 用于区域隔离的水性两相乳液凝胶体系
    • US20090133868A1
    • 2009-05-28
    • US11944681
    • 2007-11-26
    • Philip F. SullivanGary John TustinYenny ChristantiGregory KubalaBruno DrochonTrevor LLoyd Hughes
    • Philip F. SullivanGary John TustinYenny ChristantiGregory KubalaBruno DrochonTrevor LLoyd Hughes
    • E21B33/124
    • C09K8/514C09K8/501C09K8/508C09K8/52C09K8/5751C09K8/588C09K8/68C09K8/88
    • A low viscosity wellbore polymer fluid gelling system comprising an aqueous medium and a water-in-water emulsion comprising a plurality of polymers or oligomers, including at least one removable polymer or oligomer, and at least one gelling polymer or oligomer, wherein said fluid has a low viscosity when injected, and the gelling polymer forms a gel downhole which has a storage modulus of at least about 60 Pa after the removable polymer is removed from the fluid. The invention also provides a method of isolating at least one zone of a subterranean formation penetrated by a wellbore, including the steps of preparing a water-in-water emulsion comprising a plurality of polymers or oligomers including at least one removable polymer or oligomer, and at least one gellable polymer or oligomer; combining the water-in-water emulsion with an aqueous medium to prepare a low viscosity polymer fluid; introducing the fluid into a zone in the formation, removing the at least one removable polymer or oligomer, and allowing a remaining gellable oligomer, polymer or polymers to form a gel, isolating the zone from at least one other zone in the formation.
    • 一种低粘度井筒聚合物流体胶凝体系,其包含含水介质和包含多种聚合物或低聚物(包括至少一种可除去的聚合物或低聚物)和至少一种胶凝聚合物或低聚物的水包油乳液,其中所述流体具有 注射时具有低粘度,并且胶凝聚合物形成凝胶井下,其中可除去的聚合物从流体中除去后具有至少约60Pa的储能模量。 本发明还提供了一种分离由井筒渗透的地层的至少一个区域的方法,包括以下步骤:制备包含多个聚合物或低聚物的水包油乳液,所述聚合物或低聚物包括至少一种可除去的聚合物或低聚物,以及 至少一种可凝胶聚合物或低聚物; 将水包油乳液与水性介质结合以制备低粘度聚合物流体; 将流体引入地层中的区域,除去至少一种可除去的聚合物或低聚物,并允许剩余的可凝胶低聚物,聚合物或聚合物形成凝胶,将该区域与地层中的至少一个其它区域隔离。
    • 9. 发明授权
    • Stabilizing biphasic concentrates through the addition of small amounts of high molecular weight polyelectrolytes
    • 通过加入少量高分子量聚电解质稳定两相浓缩物
    • US08043999B2
    • 2011-10-25
    • US12353768
    • 2009-01-14
    • Philip F. SullivanGary John TustinChristelle Vatry
    • Philip F. SullivanGary John TustinChristelle Vatry
    • C09K8/588C09K8/68
    • C09K8/08C09K8/12C09K8/508C09K8/514C09K8/5758C09K8/68C09K8/88C09K8/90
    • This invention relates to compositions and methods of treating a subterranean formation penetrated by a well bore including providing a treatment composition comprising a rheological polymer, a partitioning agent, a charged polyelectrolyte, and a first liquid medium, forming a stabilized heterogeneous mixture comprising a dispersed rheological polymer-rich phase and a partitioning agent-rich phase, and injecting the treatment fluid into the well bore. The invention relates to methods and compositions for preparing a well treatment fluid, including mixing polyethylene glycol partitioning agent, a charged polyelectrolyte, a first aqueous medium, and one or more rheological polymers selected from the group consisting of guar, modified guar, cellulose, modified cellulose, heteropolysaccharide, heteropolysaccharide derivative, or polyacrylamide, to hydrate the one or more polymers and form a water-in-water emulsion, and mixing the water-in-water emulsion with a second aqueous medium to form a well treatment fluid.
    • 本发明涉及处理由井眼渗透的地层的组合物和方法,包括提供包含流变聚合物,分配剂,带电聚电解质和第一液体介质的处理组合物,形成稳定的非均匀混合物,其包含分散的流变学 富聚合物相和富分配剂相,并将处理流体注入井眼。 本发明涉及用于制备井处理流体的方法和组合物,包括混合聚乙二醇分配剂,带电聚电解质,第一含水介质和一种或多种流变聚合物,其选自瓜尔胶,改性瓜尔胶,纤维素,改性 纤维素,杂多糖,杂多糖衍生物或聚丙烯酰胺,以水合一种或多种聚合物并形成水包油乳液,并将水包油乳液与第二水性介质混合以形成良好的处理流体。
    • 10. 发明申请
    • Stabilizing Biphasic Concentrates Through the Addition of Small Amounts of High Molecular Weight Polyelectrolytes
    • 通过加入少量高分子量聚电解质稳定双相浓缩物
    • US20090163387A1
    • 2009-06-25
    • US12353768
    • 2009-01-14
    • Philip F. SullivanGary John TustinChristelle Vatry
    • Philip F. SullivanGary John TustinChristelle Vatry
    • C09K8/588C09K8/68
    • C09K8/08C09K8/12C09K8/508C09K8/514C09K8/5758C09K8/68C09K8/88C09K8/90
    • This invention relates to compositions and methods of treating a subterranean formation penetrated by a well bore including providing a treatment composition comprising a rheological polymer, a partitioning agent, a charged polyelectrolyte, and a first liquid medium, forming a stabilized heterogeneous mixture comprising a dispersed rheological polymer-rich phase and a partitioning agent-rich phase, and injecting the treatment fluid into the well bore. The invention relates to methods and compositions for preparing a well treatment fluid, including mixing polyethylene glycol partitioning agent, a charged polyelectrolyte, a first aqueous medium, and one or more rheological polymers selected from the group consisting of guar, modified guar, cellulose, modified cellulose, heteropolysaccharide, heteropolysaccharide derivative, or polyacrylamide, to hydrate the one or more polymers and form a water-in-water emulsion, and mixing the water-in-water emulsion with a second aqueous medium to form a well treatment fluid.
    • 本发明涉及处理由井眼渗透的地层的组合物和方法,包括提供包含流变聚合物,分配剂,带电聚电解质和第一液体介质的处理组合物,形成稳定的非均匀混合物,其包含分散的流变学 富聚合物相和富分配剂相,并将处理流体注入井眼。 本发明涉及用于制备井处理流体的方法和组合物,包括混合聚乙二醇分配剂,带电聚电解质,第一含水介质和一种或多种流变聚合物,其选自瓜尔胶,改性瓜尔胶,纤维素,改性 纤维素,杂多糖,杂多糖衍生物或聚丙烯酰胺,以水合一种或多种聚合物并形成水包油乳液,并将水包油乳液与第二水性介质混合以形成良好的处理流体。