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    • 2. 发明申请
    • METHODS TO GRAVEL PACK A WELL USING EXPANDING MATERIALS
    • 使用膨胀材料的方法进行包装
    • US20110247812A1
    • 2011-10-13
    • US12758155
    • 2010-04-12
    • Mohan K.R. PangaNitin Y. VaidyaBruno DrochonJuan-Carlos SantamariaIsabelle CouilletPeter J. PhotosJohn W. StillBalkrishna Gadiyar
    • Mohan K.R. PangaNitin Y. VaidyaBruno DrochonJuan-Carlos SantamariaIsabelle CouilletPeter J. PhotosJohn W. StillBalkrishna Gadiyar
    • E21B43/04
    • E21B43/04C09K8/56
    • An apparatus and a method for treating a subterranean formation penetrated by a wellbore comprising combining a carrier fluid, a first amount of particulates, and a second amount of particulates into a slurry, wherein the first amount of particulates have a first average size distribution and the second amount of particulates have a second average size distribution, wherein the first amount of particulates comprise an expanding material, placing the slurry in the wellbore, and lowering a screen into the slurry. An apparatus and a method of treating a subterranean formation penetrated by a wellbore, the method comprising combining a carrier fluid, a first amount of particulates, a second amount of particulates, and a third amount of particulates into a slurry, wherein the first amount of particulates have a first average size distribution, the second amount of particulates have a second average size distribution, and the third amount of particulates have a third average size distribution, wherein the first average size distribution is at least two times larger than the second average size distribution, and wherein second average size distribution is at least two times larger than the third average size distribution, wherein at least one of the second amount of particulates and the third amount of particulates comprise a expanding material, positioning a screen in a wellbore, and circulating the slurry through the wellbore such that the first amount of particulates and the second amount of particulates are deposited on an outer surface of the screen.
    • 一种用于处理由井筒渗透的地层的装置和方法,包括将载体流体,第一量的颗粒和第二量的颗粒组合成浆料,其中第一量的颗粒具有第一平均尺寸分​​布, 第二量的颗粒具有第二平均尺寸分​​布,其中第一量的颗粒包括膨胀材料,将浆料放置在井眼中,并将筛网降低到浆料中。 一种处理井眼穿透的地层的装置和方法,所述方法包括将载体流体,第一量的颗粒,第二量的颗粒和第三量的颗粒组合成浆料,其中第一量的 颗粒具有第一平均尺寸分​​布,第二数量的颗粒具有第二平均尺寸分​​布,并且第三量的颗粒具有第三平均尺寸分​​布,其中第一平均尺寸分​​布比第二平均尺寸分​​布的至少大两倍 分布,并且其中第二平均尺寸分​​布比第三平均尺寸分​​布大至少两倍,其中第二数量的颗粒和第三量的颗粒中的至少一个包括膨胀材料,将筛网定位在井筒中,以及 使浆料循环通过井眼,使得第一量的微粒和第二量的部分 冰块沉积在屏幕的外表面上。
    • 6. 发明授权
    • High solids content slurry methods and systems
    • 高固含量浆料方法和系统
    • US08511381B2
    • 2013-08-20
    • US12827853
    • 2010-06-30
    • Mohan K. R. PangaBalkrishna GadiyarBruno DrochonJohn W. Still
    • Mohan K. R. PangaBalkrishna GadiyarBruno DrochonJohn W. Still
    • E21B43/04E21B43/267C09K8/80C09K8/88
    • E21B43/04C09K8/80E21B43/267
    • A system and method are disclosed for low damage gravel packing. The system comprises a well bore; a gravel packing slurry comprising a carrier fluid and a solids mixture, wherein the solids mixture comprises a plurality of volume-averaged particle size distribution (PSD) modes such that a packed volume fraction (PVF) exceeds 0.75, wherein the solids mixture comprises at least a proppant PSD mode and a fines PSD mode; a pump to circulate the slurry in the wellbore and form a proppant pack; and a dispersant source effective to facilitate fines flowback from the pack. The method comprises circulating the slurry through a wellbore to form a proppant pack; contacting fines in the pack with a dispersant; and passing fluid through the pack to remove fines from the pack. Dispersants disclosed as present in the slurry or in another treatment fluid include polyelectrolyte, polysulfonate, polycarboxylate, lignosulfonates, polymelamine sulfonates, polystyrene sulfonates, polynaphthalene sulfonates, polyacrylates having a weight average molecular weight less than 10,000 Daltons, anionic, cationic, amphoteric and zwitterionic surfactants, and nonionic surfactants.
    • 公开了一种用于低损伤砾石包装的系统和方法。 该系统包括一个井眼; 包括载体流体和固体混合物的砾石填充浆料,其中所述固体混合物包含多个体积平均粒度分布(PSD)模式,使得填充体积分数(PVF)超过0.75,其中所述固体混合物至少包含 支撑剂PSD模式和罚款PSD模式; 使浆料在井眼中循环并形成支撑剂包的泵; 以及有效促进从包装中回流的细粉的分散剂源。 该方法包括使浆料循环通过井眼形成支撑剂包; 将细粉与分散剂接触; 并将流体通过包装以从包装中除去细粒料。 存在于浆料或另一种处理流体中的分散剂包括聚电解质,聚磺酸盐,聚羧酸盐,木质素磺酸盐,聚三聚氰胺磺酸盐,聚苯乙烯磺酸盐,聚萘磺酸盐,重均分子量小于10,000道尔顿的聚丙烯酸盐,阴离子,阳离子,两性和两性离子表面活性剂 ,和非离子表面活性剂。
    • 8. 发明授权
    • System and method for low damage gravel packing
    • 低破碎砾石包装的系统和方法
    • US08210249B2
    • 2012-07-03
    • US13182191
    • 2011-07-13
    • Mohan K. R. PangaBalkrishna GadiyarRyan HartmanBruno DrochonJohn W. StillBryan Stamm
    • Mohan K. R. PangaBalkrishna GadiyarRyan HartmanBruno DrochonJohn W. StillBryan Stamm
    • E21B43/04
    • E21B43/04C09K8/80C09K8/805Y10S507/925
    • A method is disclosed for low damage gravel packing. The method includes combining a carrier fluid, a first amount of particulates, and a second amount of particulates into a slurry. The first amount of particulates have a first average size distribution and the second amount of particulates have a second average size distribution, and the first average size distribution is at least three times larger than the second average size distribution. The slurry includes particles which are at least partially degradable material, and with reactive solid constituents. The reactive solid reacts with the degradable material and/or a hydrolysis product of the degradable material. The method further includes positioning a screen in a wellbore, and circulating the slurry through the wellbore such that the first amount of particulates and the second amount of particulates are deposited on an outer surface of the screen.
    • 公开了一种低损伤砾石包装的方法。 该方法包括将载体流体,第一量的微粒和第二量的微粒组合成浆料。 第一量的颗粒具有第一平均尺寸分​​布,第二量的颗粒具有第二平均尺寸分​​布,并且第一平均尺寸分​​布比第二平均尺寸分​​布大至少三倍。 浆料包括至少部分可降解材料的颗粒和具有反应性固体成分的颗粒。 反应性固体与可降解材料和/或可降解材料的水解产物反应。 该方法还包括将筛网定位在井筒中,并使浆料循环通过井筒,使得第一量的微粒和第二量的微粒沉积在筛网的外表面上。