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1. 发明授权

US07322414B2 Crosslinkable-polymer compositions and associated methods 有权
标题翻译：可交联聚合物组合物和相关方法
公开(公告)号：US07322414B2
公开(公告)日：2008-01-29
申请号：US11170237
申请日：2005-06-28
申请人： B. Raghava Reddy , Larry S. Eoff , Eldon D. Dalrymple , Julio Vasquez
发明人： B. Raghava Reddy , Larry S. Eoff , Eldon D. Dalrymple , Julio Vasquez
IPC分类号： E21B43/27
CPC分类号： C09K8/514 , C09K8/5083 , C09K8/512
摘要： Crosslinkable-polymer compositions are provided that may be useful for, among other things, reducing, stopping, or diverting the flow of fluids in subterranean formations. The crosslinkable-polymer compositions may comprise an aqueous fluid, a chitosan-reacting polymer, chitosan, and a gelation-retarding additive comprising an acid derivative. Various methods of use are also provided.
摘要翻译：提供可交联聚合物组合物，其可用于减少，停止或转移地下地层中的流体流动。可交联聚合物组合物可包含水性流体，壳聚糖反应聚合物，壳聚糖和包含酸衍生物的凝胶阻滞添加剂。还提供了各种使用方法。

2. 发明授权

US07331390B2 Compositions and methods for plugging and sealing a subterranean formation 有权
标题翻译：用于堵塞和密封地层的组合物和方法
公开(公告)号：US07331390B2
公开(公告)日：2008-02-19
申请号：US11133505
申请日：2005-05-20
申请人： Larry S. Eoff , B. Raghava Reddy , Eldon D. Dalrymple , Julio Vasquez
发明人： Larry S. Eoff , B. Raghava Reddy , Eldon D. Dalrymple , Julio Vasquez
IPC分类号： E21B43/22 , E21B43/27
CPC分类号： C09K8/5083 , C09K8/512
摘要： The invention provides for a composition for treating a subterranean formation, the composition comprising: a) a crosslinkable water-soluble polymer comprising at least one acylated amine unit; and b) a crosslinkable water-soluble polymer comprising a functional group selected from the group consisting of carboxylic acid and carboxylic acid derivative. The invention also provides for a method of treating a subterranean formation penetrated by a wellbore, the method comprising the steps of forming the treatment fluid and introducing the treatment fluid through the wellbore and into contact with the formation.
摘要翻译：本发明提供了一种用于处理地下地层的组合物，该组合物包含：a）包含至少一个酰化胺单元的交联性水溶性聚合物; 和b）包含选自羧酸和羧酸衍生物的官能团的交联性水溶性聚合物。本发明还提供了一种处理井眼渗透的地层的方法，所述方法包括以下步骤：形成处理流体并将处理流体引入井眼并与地层接触。

3. 发明授权

US08158720B2 Crosslinkable polymer compositions and associated methods 有权
标题翻译：可交联聚合物组合物及相关方法
公开(公告)号：US08158720B2
公开(公告)日：2012-04-17
申请号：US11170280
申请日：2005-06-28
申请人： B. Raghava Reddy , Larry S. Eoff , Eldon D. Dalrymple , Julio Vasquez
发明人： B. Raghava Reddy , Larry S. Eoff , Eldon D. Dalrymple , Julio Vasquez
IPC分类号： C08G63/91 , E21B33/13
CPC分类号： C08L5/08 , C08B37/003 , C08K5/0008 , C08K5/09 , C08L33/26 , C08L39/06 , C08L61/02 , C08L67/04 , C08L2666/04 , C08L2666/18 , C08L2666/26
摘要： Crosslinkable polymer compositions are provided that may be useful for, among other things, reducing, stopping, or diverting the flow of fluids in subterranean formations. The crosslinkable polymer compositions may comprise an aqueous fluid, a chitosan-reacting polymer, chitosan, and a gelation-retarding additive comprising an acid derivative. Various methods of use are also provided.
摘要翻译：提供可交联聚合物组合物，其可用于减少，停止或转移地下地层中的流体流动。可交联聚合物组合物可以包含水性流体，壳聚糖反应聚合物，壳聚糖和包含酸衍生物的凝胶阻滞添加剂。还提供了各种使用方法。

4. 发明申请

US20120264885A1 Hydrophobically and Cationically Modified Relative Permeability Modifiers and Associated Methods 有权
标题翻译：疏水和阳离子改性相对渗透性改性剂及相关方法
公开(公告)号：US20120264885A1
公开(公告)日：2012-10-18
申请号：US13534166
申请日：2012-06-27
申请人： Larry S. Eoff , B. Raghava Reddy , Eldon D. Dalrymple
发明人： Larry S. Eoff , B. Raghava Reddy , Eldon D. Dalrymple
IPC分类号： C08F265/06
CPC分类号： C09K8/508
摘要： Methods comprising providing a relative permeability modifier that comprises a hydrophilic polymer backbone with a hydrophobic modification and incorporating at least one cationic compound onto the hydrophilic polymer backbone. The hydrophilic polymer is one or more of: a polyacrylamide; a polyvinylamine; a poly(vinylamine/vinyl alcohol); an alkyl acrylate polymer; cellulose; chitosan; a polyamide; a polyetheramine; a polyhydroxyetheramine; a polylysine; a polysulfone; a gum; or a starch. The hydrophobic modification is achieved either by reacting the hydrophilic polymer with a hydrophobic compound or by a polymerization reaction product of a hydrophilic monomer and a hydrophobically modified hydrophilic monomer. The hydrophobic compound has an alkyl chain length from 4 to 22 carbons and is one or more of: an alkyl acrylate; an alkyl methacrylate; an alkyl acrylamide; an alkyl methacrylamide; or an alkyl dimethylammoniumethyl methacrylate halide.
摘要翻译：方法包括提供相对渗透性调节剂，其包含具有疏水性修饰的亲水性聚合物主链并将至少一种阳离子化合物并入亲水性聚合物主链上。亲水性聚合物是以下中的一种或多种：聚丙烯酰胺; 聚乙烯胺聚（乙烯胺/乙烯醇）; 丙烯酸烷基酯聚合物; 纤维素; 壳聚糖; 聚酰胺; 聚醚胺聚羟基胺; 聚赖氨酸聚砜; 口香糖或淀粉。通过使亲水性聚合物与疏水化合物反应或通过亲水性单体和疏水改性的亲水性单体的聚合反应产物来实现疏水改性。疏水性化合物的烷基链长度为4〜22个碳原子，为丙烯酸烷基酯中的一种或多种。甲基丙烯酸烷基酯烷基丙烯酰胺; 烷基甲基丙烯酰胺; 或烷基二甲基铵乙基甲基丙烯酸酯卤化物。

5. 发明授权

US07595283B2 Methods and compositions for reducing the production of water and stimulating hydrocarbon production from a subterranean formation 有权
标题翻译：用于减少水的产生并刺激来自地层的烃生产的方法和组合物
公开(公告)号：US07595283B2
公开(公告)日：2009-09-29
申请号：US11471738
申请日：2006-06-20
申请人： Larry S. Eoff , Eldon D. Dalrymple , B. Raghava Reddy
发明人： Larry S. Eoff , Eldon D. Dalrymple , B. Raghava Reddy
IPC分类号： C09K8/588 , C09K8/88 , C09K8/90
CPC分类号： C09K8/508 , C09K8/035 , C09K8/5083 , C09K8/5086 , C09K8/514 , C09K8/68 , C09K8/72
摘要： The present invention relates to subterranean treatment fluids, and more particularly, the present invention relates to subterranean treatment fluids comprising relative permeability modifiers and methods for using such subterranean treatment fluids in subterranean operations to reduce the production of water from and stimulate hydrocarbon production in a subterranean formation. In certain embodiments, the methods of the present invention generally comprise the steps of providing a permeability-modifying aqueous treatment fluid comprising a relative permeability modifier and contacting a subterranean formation with the permeability-modifying aqueous treatment fluid. Optionally, the permeability-modifying aqueous treatment fluid may be injected in the subterranean formation at a pressure sufficient to create or enhance at least one fracture therein. In another embodiment, the relative permeability modifier may be provided by appropriate reaction in situ.
摘要翻译：本发明涉及地下处理流体，更具体地说，本发明涉及包含相对渗透性改性剂的地下处理流体和在地下操作中使用这种地下处理流体的方法，以减少地下水的产生并刺激地下烃的产生形成。在某些实施方案中，本发明的方法通常包括提供包含相对渗透性改性剂并使地层与渗透性改性水处理流体接触的渗透性改性水处理流体的步骤。任选地，渗透性改性水处理流体可以以足以产生或增强其中的至少一个裂缝的压力注入到地下地层中。在另一个实施方案中，可以通过适当的原位反应来提供相对导磁率调节剂。

6. 发明申请

US20090120642A1 METHODS TO ENHANCE GAS PRODUCTION FOLLOWING A RELATIVE-PERMEABILITY-MODIFIER TREATMENT 有权
标题翻译：相对渗透性改性剂处理方法提高气体生产
公开(公告)号：US20090120642A1
公开(公告)日：2009-05-14
申请号：US11985154
申请日：2007-11-14
申请人： Larry S. Eoff , B. Raghava Reddy , Eldon D. Dalrymple , Don M. Everett , Mauricio Gutierrez , Danhua Zhang
发明人： Larry S. Eoff , B. Raghava Reddy , Eldon D. Dalrymple , Don M. Everett , Mauricio Gutierrez , Danhua Zhang
IPC分类号： E21B43/267
CPC分类号： C09K8/885 , C09K8/5083 , C09K8/5086 , C09K8/602 , C09K8/882
摘要： Provided embodiments relate to introducing a water-drainage-rate-enhancing agent into a subterranean formation to enhance gas production following a relative-permeability-modifier treatment to decrease undesired water production. An exemplary embodiment provides a method of treating a subterranean formation such that initiation of gas production is enhanced following the treatment, the method comprising: introducing a relative-permeability modifier into at least a portion of the subterranean formation such that the relative-permeability modifier reduces permeability of the portion to aqueous fluids; and introducing a water-drainage-rate-enhancing agent into at least a portion of the subterranean formation. Another exemplary embodiment provides a treatment fluid comprising a carrier fluid, a relative-permeability modifier, and a water-drainage-rate-enhancing agent.
摘要翻译：所提供的实施方案涉及将引入排水速率的剂引入地层，以在相对渗透调节剂处理之后增强气体产生，以减少不期望的水分产生。一个示例性的实施方案提供了一种处理地层的方法，使得在处理之后使气体产生的开始得到增强，所述方法包括：将相对渗透性改性剂引入到地层的至少一部分中，使得相对渗透调节剂降低该部分对含水流体的渗透性; 并将排水速率增强剂引入所述地层的至少一部分。另一个示例性实施方案提供了包含载体流体，相对渗透性改性剂和排水速率增强剂的处理流体。

7. 发明授权

US07007752B2 Well treatment fluid and methods with oxidized polysaccharide-based polymers 失效
标题翻译：处理液和氧化多糖类聚合物的方法
公开(公告)号：US07007752B2
公开(公告)日：2006-03-07
申请号：US10727365
申请日：2003-12-04
申请人： B. Raghava Reddy , Larry S. Eoff , Eldon D. Dalrymple
发明人： B. Raghava Reddy , Larry S. Eoff , Eldon D. Dalrymple
IPC分类号： E21B43/00
CPC分类号： C09K8/12 , C09K8/512 , C09K8/685 , C09K8/887
摘要： The present invention provides a well treatment fluid for use in a well, the well treatment fluid comprising water; an amine-based polymer; an polysaccharide-based polymer; and an oxidizing agent that is capable of at least partially oxidizing at least the polysaccharide-based polymer. The present invention also provides a method of treating a subterranean formation penetrated by a wellbore, the method comprising the steps of: (a) forming a well treatment fluid comprising water; an amine-based polymer; a polysaccharide-based polymer; and an oxidizing agent that is capable of at least partially oxidizing at least a portion of the polysaccharide-based polymer; and (b) contacting the well treatment fluid with the subterranean formation. The present invention also provides a method of treating a subterranean formation penetrated by a wellbore, the method comprising the steps of: (a) forming a well treatment fluid comprising water; an amine-based polymer; and a polysaccharide-based polymer; (b) contacting the subterranean formation with the well treatment fluid; and (c) contacting the subterranean formation with an oxidizing agent that is capable of at least partially oxidizing at least a portion of the polysaccharide-based polymer in the well treatment fluid present therein.
摘要翻译：本发明提供了用于井的井处理流体，井处理流体包括水; 胺基聚合物; 多糖类聚合物; 以及能够至少部分氧化至少多糖类聚合物的氧化剂。本发明还提供了一种处理由井筒渗透的地层的方法，所述方法包括以下步骤：（a）形成包含水的井处理流体; 胺基聚合物; 多糖类聚合物; 以及能够至少部分氧化所述多糖类聚合物的至少一部分的氧化剂; 和（b）使井处理流体与地层接触。本发明还提供了一种处理由井筒渗透的地层的方法，所述方法包括以下步骤：（a）形成包含水的井处理流体; 胺基聚合物; 和多糖类聚合物; （b）使地层与井处理流体接触; 和（c）使所述地下层与氧化剂接触，所述氧化剂能够至少部分地氧化存在于其中的井处理流体中至少一部分多糖基聚合物。

8. 发明授权

US08420576B2 Hydrophobically and cationically modified relative permeability modifiers and associated methods 有权
标题翻译：疏水性和阳离子改性的相对渗透性改性剂和相关方法
公开(公告)号：US08420576B2
公开(公告)日：2013-04-16
申请号：US12538203
申请日：2009-08-10
申请人： Larry S. Eoff , B. Raghava Reddy , Eldon D. Dalrymple
发明人： Larry S. Eoff , B. Raghava Reddy , Eldon D. Dalrymple
IPC分类号： C09K8/60 , C09K8/588 , E21B43/22
CPC分类号： C09K8/508
摘要： Methods comprising introducing a hydrophobically and cationically modified relative permeability modifier into a portion of a subterranean formation. The hydrophobically and cationically modified relative permeability modifier comprises a hydrophilic polymer backbone with a hydrophobic modification and a cationic modification. The cationic modification may comprise at least one cationic compound comprising an alkyl chain length of from 1 to 3 carbons.
摘要翻译：方法包括将疏水性和阳离子改性的相对渗透性改性剂引入地层的一部分。疏水性和阳离子改性的相对渗透性改性剂包括具有疏水性改性和阳离子改性的亲水性聚合物主链。阳离子改性可以包含至少一种包含1至3个碳原子的烷基链长度的阳离子化合物。

9. 发明授权

US08302691B2 Methods for increasing gas production from a subterranean formation 有权
标题翻译：从地层增加天然气产量的方法
公开(公告)号：US08302691B2
公开(公告)日：2012-11-06
申请号：US11655402
申请日：2007-01-19
申请人： B. Raghava Reddy , Larry S. Eoff , Danhua Leslie Zhang , Eldon D. Dalrymple , Paul S. Brown
发明人： B. Raghava Reddy , Larry S. Eoff , Danhua Leslie Zhang , Eldon D. Dalrymple , Paul S. Brown
IPC分类号： E21B43/25 , E21B43/295
CPC分类号： E21B43/006 , C09K8/68 , C09K8/885
摘要： Exemplary embodiments provide methods of treating a subterranean formation to improve gas production therefrom. Exemplary embodiments of the methods comprise introducing a cationic polyorganosiloxane into the subterranean formation, wherein the cationic polyorganosiloxane comprises at least two quaternary ammonium groups.
摘要翻译：示例性实施例提供了处理地下地层以改善从其中产生气体的方法。方法的示例性实施方案包括将阳离子聚有机硅氧烷引入到地层中，其中阳离子聚有机硅氧烷包含至少两个季铵基团。

10. 发明申请

US20120231978A1 Permeability-Modifying Drilling Fluids and Methods of Use 审中-公开
标题翻译：渗透性修正钻井液及其使用方法
公开(公告)号：US20120231978A1
公开(公告)日：2012-09-13
申请号：US13477810
申请日：2012-05-22
申请人： Larry S. Eoff , Eldon D. Dalrymple , B. Raghava Reddy
发明人： Larry S. Eoff , Eldon D. Dalrymple , B. Raghava Reddy
IPC分类号： C09K8/20 , C09K8/24
CPC分类号： C09K8/508 , C09K8/035 , C09K8/5083 , C09K8/5086 , C09K8/514 , C09K8/68 , C09K8/72
摘要： Drilling fluids comprising a base fluid and a hydrophobically modified polymer. The hydrophobically modified polymer consisting of alkyl chains having a carbon chain length between about 4 and about 22 carbons bound to a hydrophilic polymer. The hydrophilic polymer (1) consists of a polymer backbone that contains polar heteroatoms, at least one of which is not a nitrogen atom, and at least a portion of the polar heteroatoms are functionalized with the alkyl chains; and, (2) comprises at least one hydrophilic polymer selected from the group consisting of a cellulose, a chitosan, a polyetheramine, a polyhydroxyetheramine, a polylysine, and a polysulfone.
摘要翻译：包含基础流体和疏水改性聚合物的钻井流体。由碳链长约4至约22个碳原子的烷基链组成的疏水改性聚合物与亲水性聚合物结合。亲水性聚合物（1）由包含极性杂原子的聚合物主链组成，其中至少一个不是氮原子，并且至少一部分极性杂原子被烷基链官能化; 和（2）包含至少一种选自纤维素，壳聚糖，聚醚胺，聚羟基醚胺，聚赖氨酸和聚砜的亲水性聚合物。

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