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1. 发明授权

US07504366B2 Subterranean treatment fluids, friction reducing copolymers, and associated methods 有权
标题翻译：地下处理液，减摩共聚物和相关方法
公开(公告)号：US07504366B2
公开(公告)日：2009-03-17
申请号：US11504938
申请日：2006-08-16
申请人： Robert E. Hanes, Jr. , David E. McMechan , Karen L. King , Jiten Chatterji
发明人： Robert E. Hanes, Jr. , David E. McMechan , Karen L. King , Jiten Chatterji
IPC分类号： C09K8/588
CPC分类号： C09K8/68 , C09K2208/28 , Y10T137/0391
摘要： Methods of treating a portion of a subterranean formation, comprising: providing an aqueous treatment fluid comprising water, and a friction reducing copolymer that comprises acrylamide and an acrylic acid ester; and introducing the aqueous treatment fluid into the portion of the subterranean formation. Methods of fracturing a subterranean formation comprising: providing an aqueous treatment fluid comprising water, and a friction reducing copolymer that comprises acrylamide and an acrylic acid ester; and introducing the aqueous treatment fluid into the subterranean formation at or above a pressure sufficient to create one or more fractures in the subterranean formation. Aqueous treatment fluids comprising: an aqueous fluid and a friction reducing copolymer that comprises acrylamide and an acrylic acid ester.
摘要翻译：处理地下地层的一部分的方法，包括：提供包含水的水性处理流体和包含丙烯酰胺和丙烯酸酯的减摩性共聚物; 并将所述含水处理流体引入所述地层的所述部分。压裂地层的方法，包括：提供包含水的水性处理流体和包含丙烯酰胺和丙烯酸酯的减摩性共聚物; 以及在等于或高于足以在地层中产生一个或多个裂缝的压力下将含水处理流体引入地下地层中。水处理流体包括：水性流体和包含丙烯酰胺和丙烯酸酯的减摩性共聚物。

2. 发明申请

US20080045422A1 Subterranean treatment fluids, friction reducing copolymers, and associated methods 有权
标题翻译：地下处理液，减摩共聚物和相关方法
公开(公告)号：US20080045422A1
公开(公告)日：2008-02-21
申请号：US11504938
申请日：2006-08-16
申请人： Robert E. Hanes , David E. McMechan , Karen L. King , Jiten Chatterji
发明人： Robert E. Hanes , David E. McMechan , Karen L. King , Jiten Chatterji
IPC分类号： C09K8/00 , E21B43/00
CPC分类号： C09K8/68 , C09K2208/28 , Y10T137/0391
摘要： Methods of treating a portion of a subterranean formation, comprising: providing an aqueous treatment fluid comprising water, and a friction reducing copolymer that comprises acrylamide and an acrylic acid ester; and introducing the aqueous treatment fluid into the portion of the subterranean formation. Methods of fracturing a subterranean formation comprising: providing an aqueous treatment fluid comprising water, and a friction reducing copolymer that comprises acrylamide and an acrylic acid ester; and introducing the aqueous treatment fluid into the subterranean formation at or above a pressure sufficient to create one or more fractures in the subterranean formation. Aqueous treatment fluids comprising: an aqueous fluid and a friction reducing copolymer that comprises acrylamide and an acrylic acid ester.
摘要翻译：处理地下地层的一部分的方法，包括：提供包含水的水性处理流体和包含丙烯酰胺和丙烯酸酯的减摩性共聚物; 并将所述含水处理流体引入所述地层的所述部分。压裂地层的方法，包括：提供包含水的水性处理流体和包含丙烯酰胺和丙烯酸酯的减摩性共聚物; 以及在等于或高于足以在地层中产生一个或多个裂缝的压力下将含水处理流体引入地下地层中。水处理流体包括：水性流体和包含丙烯酰胺和丙烯酸酯的减摩性共聚物。

3. 发明授权

US07004254B1 Subterranean treatment fluids, friction reducing copolymers, and associated methods 有权
标题翻译：地下处理液，减摩共聚物和相关方法
公开(公告)号：US07004254B1
公开(公告)日：2006-02-28
申请号：US11156356
申请日：2005-06-17
申请人： Jiten Chatterji , Karen L. King , David E. McMechan
发明人： Jiten Chatterji , Karen L. King , David E. McMechan
IPC分类号： E21B43/27
CPC分类号： C09K8/12 , C09K8/68
摘要： Aqueous treatment fluids that comprise water, and a friction reducing copolymer that comprises acrylamide in an amount in the range of from about 60% to about 90% by weight and acrylic acid in an amount in the range of from about 10% to about 20% by weight. Methods of treating portions of subterranean formation using the aqueous treatment fluid that comprise providing an aqueous treatment fluid comprising water, and a friction reducing copolymer that comprises acrylamide in an amount in the range of from about 60% to about 90% by weight and acrylic acid in an amount in the range of from about 10% to about 20% by weight; and introducing the aqueous treatment fluid into the portion of the subterranean formation.
摘要翻译：包含水的水处理流体和包含丙烯酰胺的摩擦降低共聚物，其量为约60％至约90％重量，丙烯酸的量为约10％至约20％重量。使用包含提供包含水的水性处理流体的水性处理流体处理地下部分的方法和包含丙烯酰胺的摩擦降低共聚物，其量为约60％至约90％（重量），丙烯酸其量为约10重量％至约20重量％; 并将所述含水处理流体引入所述地层的所述部分。

4. 发明申请

US20090023617A1 Friction reducer performance by complexing multivalent ions in water 有权
标题翻译：通过在水中络合多价离子来减少摩擦磨损性能
公开(公告)号：US20090023617A1
公开(公告)日：2009-01-22
申请号：US11879423
申请日：2007-07-17
申请人： David E. McMechan , Rob E. Hanes, JR. , Ian D. Robb , Thomas D. Welton , Karen L. King , Bobby J. King , Jiten Chatterji
发明人： David E. McMechan , Rob E. Hanes, JR. , Ian D. Robb , Thomas D. Welton , Karen L. King , Bobby J. King , Jiten Chatterji
IPC分类号： C09K8/60
CPC分类号： C09K8/12 , C09K8/68 , C09K8/74 , C09K8/882 , C09K2208/28
摘要： Embodiments relate to improving the performance of anionic friction reducing polymers in water containing multivalent ions. Exemplary embodiments relate to methods of improving the performance of anionic friction reducing polymers in a subterranean treatment, wherein the method comprises adding a complexing agent to water comprising multivalent ions. The method comprises adding the anionic friction reducing polymer to the water comprising the multivalent ions, wherein the anionic friction reducing polymer is added in an amount less than or equal to about 0.15% by weight of the water. The method comprises introducing the water comprising the multivalent ions, the complexing agent and the anionic friction reducing polymer into at least a portion of the subterranean formation such that the friction reducing polymer reduces energy loss due to turbulence in the water. The complexing agent complexes with at least a portion of the multivalent ions in the water such that the reduction of energy loss by the friction reducing polymer is improved.
摘要翻译：实施方案涉及改善含多价离子的水中阴离子减摩聚合物的性能。示例性实施方案涉及改进地下处理中阴离子减摩聚合物的性能的方法，其中所述方法包括向包含多价离子的水中加入络合剂。该方法包括将阴离子摩擦降低聚合物加入到包含多价离子的水中，其中以少于或等于约0.15重量％的量加入阴离子摩擦降低聚合物。该方法包括将包含多价离子的水，络合剂和阴离子摩擦降低聚合物引入地层的至少一部分中，使得摩擦降低聚合物降低由于水中湍流引起的能量损失。络合剂与水中的多价离子的至少一部分复合，从而提高了降低摩擦降低聚合物的能量损失。

5. 发明授权

US07232793B1 Water-based polymers for use as friction reducers in aqueous treatment fluids 有权
标题翻译：用作水处理液中摩擦减少剂的水基聚合物
公开(公告)号：US07232793B1
公开(公告)日：2007-06-19
申请号：US11300614
申请日：2005-12-13
申请人： Karen L. King , David E. McMechan , Jiten Chatterji
发明人： Karen L. King , David E. McMechan , Jiten Chatterji
IPC分类号： C09K8/12 , C09K8/588 , E21B43/26
CPC分类号： C09K8/68 , C09K8/035 , C09K8/602 , C09K8/86 , C09K8/882 , C09K2208/28
摘要： Provided are methods comprising providing an aqueous polymer dispersion comprising water, an anionic salt, a water-based friction reducing polymer, a polyol, an anionic surfactant, and a nonionic surfactant; mixing the aqueous polymer dispersion with additional water to form an aqueous treatment fluid; and introducing the aqueous treatment fluid into a subterranean formation. Also provided are methods comprising providing an aqueous treatment fluid comprising water, an anionic salt, a water-based friction reducing polymer in an amount sufficient to provide friction reduction without forming a gel, a polyol, an anionic surfactant, and a nonionic surfactant; and introducing the aqueous treatment fluid into a subterranean formation.
摘要翻译：提供的方法包括提供包含水，阴离子盐，水基摩擦降低聚合物，多元醇，阴离子表面活性剂和非离子表面活性剂的聚合物水分散体; 将水性聚合物分散体与另外的水混合以形成水性处理流体; 并将含水处理流体引入地层中。还提供的方法包括提供包含水，阴离子盐，水溶性摩擦降低聚合物的含水处理流体，其量足以提供摩擦减少而不形成凝胶，多元醇，阴离子表面活性剂和非离子表面活性剂; 并将含水处理流体引入地层中。

6. 发明授权

US07579302B2 Friction reducer performance by complexing multivalent ions in water 有权
公开(公告)号：US07579302B2
公开(公告)日：2009-08-25
申请号：US11879423
申请日：2007-07-17
申请人： David E. McMechan , Rob E. Hanes, Jr. , Ian D. Robb , Thomas D. Welton , Karen L. King , Bobby J. King , Jiten Chatterji
发明人： David E. McMechan , Rob E. Hanes, Jr. , Ian D. Robb , Thomas D. Welton , Karen L. King , Bobby J. King , Jiten Chatterji
IPC分类号： C09K8/588 , E21B43/26
CPC分类号： C09K8/12 , C09K8/68 , C09K8/74 , C09K8/882 , C09K2208/28
摘要： Embodiments relate to improving the performance of anionic friction reducing polymers in water containing multivalent ions. Exemplary embodiments relate to methods of improving the performance of anionic friction reducing polymers in a subterranean treatment, wherein the method comprises adding a complexing agent to water comprising multivalent ions. The method comprises adding the anionic friction reducing polymer to the water comprising the multivalent ions, wherein the anionic friction reducing polymer is added in an amount less than or equal to about 0.15% by weight of the water. The method comprises introducing the water comprising the multivalent ions, the complexing agent and the anionic friction reducing polymer into at least a portion of the subterranean formation such that the friction reducing polymer reduces energy loss due to turbulence in the water. The complexing agent complexes with at least a portion of the multivalent ions in the water such that the reduction of energy loss by the friction reducing polymer is improved.

7. 发明申请

US20080161211A1 Subterranean Treatment Fluids, Friction Reducing Copolymers, and Associated Methods 有权
标题翻译：地下处理液，摩擦减少共聚物和相关方法
公开(公告)号：US20080161211A1
公开(公告)日：2008-07-03
申请号：US12047568
申请日：2008-03-13
申请人： Robert E. Hanes , David E. McMechan , Karen L. King , Jiten Chatterji
发明人： Robert E. Hanes , David E. McMechan , Karen L. King , Jiten Chatterji
IPC分类号： C09K8/00 , E21B43/00
CPC分类号： C09K8/68 , C09K2208/28 , Y10T137/0391
摘要： Methods of treating a portion of a subterranean formation comprising: providing an aqueous treatment fluid comprising an aqueous fluid and a friction reducing copolymer that comprises acrylamide and 2-(2-ethoxyethoxy)-ethyl acrylate and introducing the aqueous treatment fluid into the portion of the subterranean formation. Methods of fracturing a subterranean formation comprising: providing an aqueous treatment fluid comprising an aqueous fluid and a friction reducing copolymer that comprises acrylamide and 2-(2-ethoxyethoxy)-ethyl acrylate and introducing the aqueous treatment fluid into the subterranean formation at or above a pressure sufficient to create one or more fractures in the subterranean formation. Aqueous treatment fluids comprising: an aqueous fluid and a friction reducing copolymer that comprises acrylamide and an acrylic acid ester.
摘要翻译：处理地下地层的一部分的方法，包括：提供包含水性流体和减摩性共聚物的水性处理流体，所述摩擦降低共聚物包括丙烯酰胺和丙烯酸2-（2-乙氧基乙氧基） - 乙基酯，并将所述水性处理流体引入所述地层。破碎地下地层的方法，包括：提供包含含水流体和减摩性共聚物的水性处理流体，所述水性流体和减摩性共聚物包含丙烯酰胺和丙烯酸2-（2-乙氧基乙氧基） - 乙基酯，并将含水处理流体引入到地层中或其上方足以在地层中产生一个或多个裂缝的压力。水处理流体包括：水性流体和包含丙烯酰胺和丙烯酸酯的减摩性共聚物。

8. 发明授权

US07311146B1 Subterranean treatment fluids, friction reducing copolymers, and associated methods 有权
标题翻译：地下处理液，减摩共聚物和相关方法
公开(公告)号：US07311146B1
公开(公告)日：2007-12-25
申请号：US11504939
申请日：2006-08-16
申请人： Robert E. Hanes, Jr. , David E. McMechan , Karen L. King , Jiten Chatterji
发明人： Robert E. Hanes, Jr. , David E. McMechan , Karen L. King , Jiten Chatterji
IPC分类号： E21B43/26
CPC分类号： C09K8/68 , C09K2208/28
摘要： Methods of treating a portion of a subterranean formation, comprising: providing an aqueous treatment fluid comprising water, and a friction reducing copolymer that comprises acrylamide and an acrylic acid ester; and introducing the aqueous treatment fluid into the portion of the subterranean formation. Methods of fracturing a subterranean formation comprising: providing an aqueous treatment fluid comprising water, and a friction reducing copolymer that comprises acrylamide and an acrylic acid ester; and introducing the aqueous treatment fluid into the subterranean formation at or above a pressure sufficient to create one or more fractures in the subterranean formation. Aqueous treatment fluids comprising: an aqueous fluid and a friction reducing copolymer that comprises acrylamide and an acrylic acid ester.
摘要翻译：处理地下地层的一部分的方法，包括：提供包含水的水性处理流体和包含丙烯酰胺和丙烯酸酯的减摩性共聚物; 并将所述含水处理流体引入所述地层的所述部分。压裂地层的方法，包括：提供包含水的水性处理流体和包含丙烯酰胺和丙烯酸酯的减摩性共聚物; 以及在等于或高于足以在地层中产生一个或多个裂缝的压力下将含水处理流体引入地下地层中。水处理流体包括：水性流体和包含丙烯酰胺和丙烯酸酯的减摩性共聚物。

9. 发明授权

US07271134B2 Water-based polymers for use as friction reducers in aqueous treatment fluids 有权
公开(公告)号：US07271134B2
公开(公告)日：2007-09-18
申请号：US11300615
申请日：2005-12-13
申请人： Karen L. King , David E. McMechan , Jiten Chatterji
发明人： Karen L. King , David E. McMechan , Jiten Chatterji
IPC分类号： E21B21/00
CPC分类号： C09K8/035 , C09K8/602 , C09K8/68 , C09K8/86 , C09K8/882 , F17D1/17
摘要： Disclosed are methods comprising providing an aqueous polymer dispersion comprising water, an anionic salt, a water-based friction reducing polymer, a polyol, an anionic surfactant, and a nonionic surfactant; mixing the aqueous polymer dispersion with additional water to form an aqueous treatment fluid; and introducing the aqueous treatment fluid into a subterranean formation. Also disclosed are methods comprising providing an aqueous treatment fluid comprising water, an anionic salt, a water-based friction reducing polymer in an amount sufficient to provide friction reduction without forming a gel, a polyol, an anionic surfactant, and a nonionic surfactant; and introducing the aqueous treatment fluid into a subterranean formation.

10. 发明授权

US07582590B2 Subterranean treatment fluids, friction reducing copolymers, and associated methods 有权
标题翻译：地下处理液，减摩共聚物和相关方法
公开(公告)号：US07582590B2
公开(公告)日：2009-09-01
申请号：US12047568
申请日：2008-03-13
申请人： Robert E. Hanes, Jr. , David E. McMechan , Karen L. King , Jiten Chatterji
发明人： Robert E. Hanes, Jr. , David E. McMechan , Karen L. King , Jiten Chatterji
IPC分类号： E21B43/00 , C09K8/588
CPC分类号： C09K8/68 , C09K2208/28 , Y10T137/0391
摘要： Methods of treating a portion of a subterranean formation comprising: providing an aqueous treatment fluid comprising an aqueous fluid and a friction reducing copolymer that comprises acrylamide and 2-(2-ethoxyethoxy)-ethyl acrylate and introducing the aqueous treatment fluid into the portion of the subterranean formation. Methods of fracturing a subterranean formation comprising: providing an aqueous treatment fluid comprising an aqueous fluid and a friction reducing copolymer that comprises acrylamide and 2-(2-ethoxyethoxy)-ethyl acrylate and introducing the aqueous treatment fluid into the subterranean formation at or above a pressure sufficient to create one or more fractures in the subterranean formation. Aqueous treatment fluids comprising: an aqueous fluid and a friction reducing copolymer that comprises acrylamide and an acrylic acid ester.
摘要翻译：处理地下地层的一部分的方法，包括：提供包含水性流体和减摩性共聚物的水性处理流体，所述摩擦降低共聚物包括丙烯酰胺和丙烯酸2-（2-乙氧基乙氧基） - 乙基酯，并将所述水性处理流体引入所述地层。破碎地下地层的方法，包括：提供包含含水流体和减摩性共聚物的水性处理流体，所述水性流体和减摩性共聚物包含丙烯酰胺和丙烯酸2-（2-乙氧基乙氧基） - 乙基酯，并将含水处理流体引入到地层中或其上方足以在地层中产生一个或多个裂缝的压力。水处理流体包括：水性流体和包含丙烯酰胺和丙烯酸酯的减摩性共聚物。

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