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    • 6. 发明授权
    • Methods for improving proppant pack permeability and fracture conductivity in a subterranean well
    • 改善地下井中支撑剂填料渗透性和断裂导电性的方法
    • US07178596B2
    • 2007-02-20
    • US10947427
    • 2004-09-20
    • Matthew E. BlauchPhilip D. NguyenThomas D. Welton
    • Matthew E. BlauchPhilip D. NguyenThomas D. Welton
    • E21B43/267
    • C09K8/805C09K8/62C09K8/80E21B43/267Y10S507/924
    • The present invention provides compositions and methods for enhancing subterranean well productivity by enhancing fracture conductivity. A method of increasing the conductivity of a fracture in a portion of a subterranean formation comprising providing a slurry comprising a fracturing fluid, a degradable material, and proppant particulates coated with a tackifying agent; allowing the degradable material to become at least temporarily attached to the tackifying agent coated onto the proppant particulates so as to avoid substantial segregation of the degradable material from the proppant particulates within the slurry; introducing the slurry to the fracture and allowing the proppant particulates and degradable material to form a substantially uniform particulate pack; and, allowing the degradable material to degrade and produce a particulate pack having voids therein.
    • 本发明提供了通过提高断裂导电性来提高地下井生产率的组合物和方法。 一种提高地层中部分断裂的导电性的方法,包括提供包含压裂液,可降解材料和涂有增粘剂的支撑剂颗粒的浆料; 允许可降解材料至少临时附着于涂覆在支撑剂颗粒上的增粘剂,以避免可降解材料与浆料内的支撑剂颗粒的实质偏析; 将浆料引入断裂并允许支撑剂颗粒和可降解材料形成基本上均匀的颗粒包装; 并且允许可降解材料降解并产生其中具有空隙的颗粒状包装。
    • 9. 发明授权
    • Methods for controlling migration of particulates in a subterranean formation
    • 控制地层中颗粒迁移的方法
    • US07204311B2
    • 2007-04-17
    • US11009277
    • 2004-12-08
    • Thomas D. WeltonPhilip D. NguyenMatthew E. Blauch
    • Thomas D. WeltonPhilip D. NguyenMatthew E. Blauch
    • E21B33/138E21B43/26
    • C09K8/5083C09K8/518C09K8/5753C09K8/62C09K8/68
    • Method of treating a portion of a subterranean formation comprising: placing a pre-pad fluid into a portion of a subterranean formation wherein the pre-pad fluid comprises a low-viscosity aqueous tackifying composition that comprises an aqueous tackifier compound and an aqueous fluid; placing a fracturing fluid into the portion of the subterranean formation at a pressure sufficient to create or extend at least one fracture therein; and, activating the aqueous tackifier compound with an activator so as to consolidate the unconsolidated particulates. Method of consolidating unconsolidated particulates within a portion of a subterranean formation comprising: placing a foamed low-viscosity aqueous tackifying composition into a portion of a subterranean formation comprising unconsolidated particulates wherein the aqueous tackifying composition comprises an aqueous fluid, a foaming agent, and an aqueous tackifier compound; and, activating the aqueous tackifier compound with an activator so as to consolidate the unconsolidated particulates.
    • 处理地下地层的一部分的方法,包括:将预衬垫液体放置在地层的一部分中,其中预垫流体包含低粘度水性增粘组合物,其包含水性增粘剂化合物和水性流体; 在足以在其中产生或延伸其中的至少一个裂缝的压力下将压裂流体放置到地层的部分中; 并用活化剂活化水性增粘剂化合物,以固结未固结的颗粒。 将非固结颗粒固结在地下地层的一部分内的方法,包括:将发泡的低粘度水性增粘组合物放置在包含未固结的颗粒的地下地层的一部分中,其中所述水性增粘组合物包含水性流体,发泡剂和水性 增粘剂化合物; 并用活化剂活化水性增粘剂化合物,以固结未固结的颗粒。