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    • 5. 发明授权
    • Methods and compositions for consolidating proppant in fractures
    • 用于巩固支撑剂骨折的方法和组合物
    • US07264052B2
    • 2007-09-04
    • US11135566
    • 2005-05-23
    • Philip D. NguyenJohnny A. BartonO. Marlene Isenberg
    • Philip D. NguyenJohnny A. BartonO. Marlene Isenberg
    • E21B43/267E21B33/138
    • E21B43/267C09K8/68C09K8/805C09K8/90C09K2208/26E21B43/26Y10S507/924Y10T428/2998
    • Improved methods and compositions for consolidating proppant in subterranean fractures are provided. In certain embodiments, the hardenable resin compositions may be especially suited for consolidating proppant in subterranean fractures having temperatures above about 200° F. Improved methods include providing proppant particles coated with a hardenable resin composition mixed with a gelled liquid fracturing fluid, and introducing the fracturing fluid into a subterranean zone. The fracturing fluid may form one or more fractures in the subterranean zone and deposit the proppant particles coated with the resin composition therein. Thereafter, the hardenable resin composition on the proppant particles is allowed to harden by heat and to consolidate the proppant particles into degradation resistant permeable packs. The hardenable resin composition may include a liquid bisphenol A-epichlorohydrin resin, a 4,4′-diaminodiphenyl sulfone hardening agent, a solvent, a silane coupling agent, and a surfactant. The solvent may include diethylene glycol monomethyl ether or dimethyl sulfoxide.
    • 提供了用于巩固地下裂缝中支撑剂的改进方法和组合物。 在某些实施方案中,可硬化树脂组合物可以特别适用于在高于约200°F的温度的地下裂缝中固结支撑剂。改进的方法包括提供涂覆有与可凝胶化液体压裂液混合的可硬化树脂组合物的支撑剂颗粒,以及引入压裂 流体进入地下区域。 压裂液可能在地下区域中形成一个或多个裂缝,并将涂覆有树脂组合物的支撑剂颗粒沉积在其中。 此后,将支撑剂颗粒上的可硬化树脂组合物通过加热硬化并将支撑剂颗粒固结成耐腐蚀的渗透性包装。 可硬化树脂组合物可以包括液体双酚A-表氯醇树脂,4,4'-二氨基二苯砜硬化剂,溶剂,硅烷偶联剂和表面活性剂。 溶剂可以包括二甘醇单甲醚或​​二甲基亚砜。
    • 8. 发明授权
    • Compositions and methods for particulate consolidation
    • 颗粒固结的组成和方法
    • US07306037B2
    • 2007-12-11
    • US10944973
    • 2004-09-20
    • Philip D. NguyenJohnny A. BartonJimmie D. Weaver
    • Philip D. NguyenJohnny A. BartonJimmie D. Weaver
    • E21B33/138
    • E21B43/025C09K8/56
    • A method of consolidating a proppant particulates comprising substantially coating proppant particulates with an integrated consolidation fluid comprising a hardening agent that itself comprises a piperazine, a derivative of piperazine, or a combination thereof; placing the coated proppant particulates into a portion of a subterranean formation; and, allowing the integrated consolidation fluid to substantially cure. A method of stabilizing a portion of a subterranean formation comprising applying a preflush solution to the subterranean formation; applying an integrated consolidation fluid to the subterranean formation, wherein the integrated consolidation fluid comprises a hardening agent component itself comprising a piperazine, a derivative of piperazine, or a combination thereof; and, allowing the integrated consolidation fluid to substantially cure. An integrated consolidation fluid capable of consolidating a subterranean formation comprising a hardenable resin component and a hardening agent component itself comprising a piperazine, a derivative of piperazine, or a combination thereof.
    • 一种固结支撑剂颗粒的方法,该支撑剂颗粒包括基本上涂覆支撑剂颗粒的集成固结流体,其包含本身包含哌嗪,哌嗪衍生物或其组合的硬化剂; 将涂覆的支撑剂颗粒置于地层的一部分中; 并且允许集成的固结流体基本上固化。 一种稳定地下地层的一部分的方法,包括将预冲洗溶液施加到地下地层; 将整合的固结流体施加到所述地下地层,其中所述一体化固结流体包含本身包含哌嗪,哌嗪衍生物或其组合的固化剂组分; 并且允许集成的固结流体基本上固化。 一种能够固结包含可硬化树脂组分和固化剂组分本身的地层的综合固结液,其包含哌嗪,哌嗪衍生物或其组合。