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81. 发明授权

US06992048B2 Methods of generating gas in well treating fluids 失效
标题翻译：井处理液中产生气体的方法
公开(公告)号：US06992048B2
公开(公告)日：2006-01-31
申请号：US10792999
申请日：2004-03-04
申请人： B. Raghava Reddy , Krishna M. Ravi , Karen Luke , Rickey L. Morgan
发明人： B. Raghava Reddy , Krishna M. Ravi , Karen Luke , Rickey L. Morgan
IPC分类号： C09K3/00
CPC分类号： C04B20/12 , C04B28/02 , C04B28/04 , C04B38/02 , C04B40/0633 , C04B2103/0067 , C09K8/46 , C09K8/473 , C09K8/516 , C09K8/518 , C09K8/703 , Y10S507/902 , C04B2103/42 , C04B20/10 , C04B20/1029 , C04B24/12 , C04B24/129 , C04B2103/0095 , C04B22/002 , C04B22/06 , C04B22/068 , C04B24/383 , C04B2103/48 , C04B2103/445 , C04B14/042 , C04B14/047 , C04B14/06 , C04B14/08 , C04B14/10 , C04B14/301 , C04B20/1025 , C04B20/1037 , C04B20/123 , C04B2103/10 , C04B20/1033
摘要： The present invention relates to methods of generating gas in and foaming well treating fluids during pumping of the treating fluids or after the treating fluids are placed in a subterranean zone, or both. A method of the present invention provides a method of making a foamed well fluid that comprises a gas comprising the steps of combining an aqueous fluid, a surfactant, an encapsulated activator, and a gas generating chemical, the gas generating chemical being present in an amount in the range of from about 0.1% to 100% of a water component in the aqueous well fluid; and allowing the gas generating chemical and the encapsulated activator to react so that gas is generated in the aqueous fluid to form a foamed well fluid. Methods of cementing, fracturing, cementing compositions, fracturing fluid compositions, and foamed well fluid compositions also are provided.
摘要翻译：本发明涉及在泵送处理流体期间或在将处理流体放置在地下区域中之后或在两者之间产生气体并在其中良好地处理流体的方法。本发明的方法提供了一种制造发泡井液的方法，该方法包括一种气体，包括以下步骤：将含水流体，表面活性剂，包封的活化剂和产生气体的化学物质混合，所述气体发生化学物质的量以在水井液中约0.1％至100％的水组分的范围内; 并且允许气体发生化学物质和包封的活化剂反应，使得在含水流体中产生气体以形成发泡井液。还提供了固井，压裂，固井组合物，压裂液组合物和发泡井液组合物的方法。

82. 发明授权

US06837316B2 Methods of consolidating formations 失效
标题翻译：巩固地层的方法
公开(公告)号：US06837316B2
公开(公告)日：2005-01-04
申请号：US10716730
申请日：2003-11-19
申请人： B. Raghava Reddy , Larry S. Eoff , Donald L. Whitfill , J. Michael Wilson , Denise Berryhill , Russel M. Fitzgerald , Thomas E. Becker , Jimmie D. Weaver
发明人： B. Raghava Reddy , Larry S. Eoff , Donald L. Whitfill , J. Michael Wilson , Denise Berryhill , Russel M. Fitzgerald , Thomas E. Becker , Jimmie D. Weaver
IPC分类号： C09K8/12 , C09K8/24 , C09K8/508 , C09K8/512 , C09K8/575 , E21B21/00 , C09K7/02 , E21B33/138
CPC分类号： C09K8/12 , C09K8/24 , C09K8/508 , C09K8/512 , C09K8/5751 , Y10S507/903
摘要： Methods of consolidating formations include drilling a well bore with a drilling fluid that comprises water, a polymeric cationic catalyst which is adsorbed on minerals and rocks in weak unconsolidated zones or formations and then further contacting the unconsolidated formation with a treating fluid comprising a water soluble or dispersible polymer which is cross-linked by a thermoset resin and causes the resin to be hard and tough when cured, and a water soluble or dispersible thermoset resin which cross-links the polymer, is catalyzed and cured by the catalyst and consolidates the weak zone or formation so that sloughing is prevented.
摘要翻译：整合地层的方法包括用包括水的钻井液钻井井，在弱的非固结区或地层中吸附在矿物和岩石上的聚合阳离子催化剂，然后使未固结的地层与包含水溶性或通过热固性树脂交联并使树脂固化时硬度和韧性高的可分散聚合物，与聚合物交联的水溶性或分散性热固性树脂被催化剂催化固化，并使弱区或形成，以防止脱落。

83. 发明授权

US06770604B2 High temperature viscosifying and fluid loss controlling additives for well cements, well cement compositions and methods 失效
标题翻译：高温增稠和失水控制添加剂用于水泥，水泥组合物和方法
公开(公告)号：US06770604B2
公开(公告)日：2004-08-03
申请号：US10071076
申请日：2002-02-08
申请人： B. Raghava Reddy , Wendell D. Riley
发明人： B. Raghava Reddy , Wendell D. Riley
IPC分类号： E21B3313
CPC分类号： C04B28/02 , C04B24/163 , C04B2103/44 , C04B2103/46 , C04B2111/763 , C09K8/46 , C09K8/487
摘要： A high temperature viscosifying and fluid loss controlling additive for use in well cements, well cement compositions including the additive and methods of using the compositions are provided. The well cement compositions of this invention are comprised of a hydraulic cement, water and a viscosifying and fluid loss controlling additive comprising a mixture of a polymer comprised of at least one monomer which is calcium tolerant, anionic and disperses basic cement slurries, at least one monomer which hydrolyzes in basic cement slurries to generate anionic carboxylate groups that bind with calcium and viscosify the slurries and at least one monomer which generates non-ionic pendant groups on the polymer upon hydrolyzing in basic cement slurries to prevent polymer precipitation and a homopolymer of a monomer which hydrolyzes in basic cement slurries to generate anionic carboxylate groups that bind with calcium, viscosify the slurries and prevent settling in the slurries.
摘要翻译：提供了一种用于水泥粘结剂的高温增粘和流失控制添加剂，包括添加剂的井水泥组合物和使用该组合物的方法。本发明的井眼水泥组合物包括水硬性水泥，水和增稠和流失失控控制添加剂，其包括由至少一种耐钙，阴离子和分散碱性水泥浆料的至少一种单体组成的聚合物的混合物，至少一种在碱性水泥浆中水解以产生阴离子羧酸盐基团的单体，其与钙结合并使浆液和至少一种在碱性水泥浆中水解后产生非离子侧基的单体粘合，以防止聚合物沉淀和均聚物在碱性水泥浆中水解产生与钙结合的阴离子羧酸盐基团的单体，使浆料粘稠并防止浆料沉降。

84. 发明授权

US06737385B2 Well drilling and servicing fluids and methods of removing filter cake deposited thereby 有权
标题翻译：钻井和维修井液以及从中除去滤饼的方法
公开(公告)号：US06737385B2
公开(公告)日：2004-05-18
申请号：US10117373
申请日：2002-04-05
申请人： Bradley L. Todd , B. Raghava Reddy , James V. Fisk, Jr. , James D. Kercheville
发明人： Bradley L. Todd , B. Raghava Reddy , James V. Fisk, Jr. , James D. Kercheville
IPC分类号： C09K702
CPC分类号： C09K8/10 , C09K8/08 , C09K8/12 , C09K8/52 , C09K2208/18
摘要： Well drilling and servicing fluids for use in producing formations and methods of removing filter cake therefrom are provided. The methods basically comprise using a drilling or servicing fluid comprised of water, a density increasing water soluble salt, a fluid loss control agent, a hydratable polymer solid suspending agent and a particulate solid bridging agent which is soluble in an aqueous ammonium salt solution. Thereafter, the filter cake deposited by the drilling or servicing fluid is contacted with a clean-up solution comprised of water and an ammonium salt for a period of time such that the bridging agent is dissolved thereby.
摘要翻译：提供了用于生产地层的钻井和维修液以及从其中除去滤饼的方法。这些方法基本上包括使用由水，密度增加的水溶性盐，流体损失控制剂，可水合的聚合物固体悬浮剂和可溶于铵盐水溶液的颗粒状固体桥连剂组成的钻井或维修流体。此后，由钻井或维修流体沉积的滤饼与由水和铵盐组成的清理溶液接触一段时间，以使桥连剂溶解。

85. 发明授权

US06722434B2 Methods of generating gas in well treating fluids 有权
标题翻译：井处理液中产生气体的方法
公开(公告)号：US06722434B2
公开(公告)日：2004-04-20
申请号：US10159588
申请日：2002-05-31
申请人： B. Raghava Reddy , Krishna M. Ravi , Karen Luke , Rickey L. Morgan
发明人： B. Raghava Reddy , Krishna M. Ravi , Karen Luke , Rickey L. Morgan
IPC分类号： E21B4322
CPC分类号： C04B20/12 , C04B28/02 , C04B28/04 , C04B38/02 , C04B40/0633 , C04B2103/0067 , C09K8/46 , C09K8/473 , C09K8/516 , C09K8/518 , C09K8/703 , Y10S507/902 , C04B2103/42 , C04B20/10 , C04B20/1029 , C04B24/12 , C04B24/129 , C04B2103/0095 , C04B22/002 , C04B22/06 , C04B22/068 , C04B24/383 , C04B2103/48 , C04B2103/445 , C04B14/042 , C04B14/047 , C04B14/06 , C04B14/08 , C04B14/10 , C04B14/301 , C04B20/1025 , C04B20/1037 , C04B20/123 , C04B2103/10 , C04B20/1033
摘要： Improved methods of generating gas in and foaming well treating fluids introduced into a subterranean zone are provided. A method of the invention includes the steps of combining one or more gas generating chemicals with the well treating fluid and combining one or more delayed encapsulated activators having selected release times with the well treating fluid containing the gas generating chemicals so that the gas generating chemicals react with the delayed encapsulated oxidizing agent activators and gas and foam are formed in the treating fluid while the treating fluid is being pumped and after being placed in the subterranean zone.
摘要翻译：提供了改进的引入井下区域的产生气体和发泡好的处理流体的方法。本发明的方法包括以下步骤：将一种或多种产生气体的化学品与井处理流体组合，并将具有选定释放时间的一种或多种延迟封装的活化剂与含有产生气体的化学物质的井处理流体混合，使气体产生化学物质反应在处理流体被泵送并且被放置在地下区域之后，在处理流体中形成延迟的包封氧化剂活化剂和气体和泡沫。

86. 发明授权

US06702044B2 Methods of consolidating formations or forming chemical casing or both while drilling 失效
标题翻译：在钻孔时整合地层或形成化学套管或两者的方法
公开(公告)号：US06702044B2
公开(公告)日：2004-03-09
申请号：US10170400
申请日：2002-06-13
申请人： B. Raghava Reddy , Larry S. Eoff , Donald L. Whitfill , J. Michael Wilson , Denise Berryhill , Russel M. Fitzgerald , Thomas E. Becker , Jimmie D. Weaver
发明人： B. Raghava Reddy , Larry S. Eoff , Donald L. Whitfill , J. Michael Wilson , Denise Berryhill , Russel M. Fitzgerald , Thomas E. Becker , Jimmie D. Weaver
IPC分类号： E21B2100
CPC分类号： C09K8/12 , C09K8/24 , C09K8/508 , C09K8/512 , C09K8/5751 , Y10S507/903
摘要： Methods of consolidating formations or forming chemical casing or both while drilling are provided. One method of the invention comprises drilling a well bore with a drilling fluid comprised of water, a polymeric cationic catalyst which is adsorbed on weak zones or formations formed of unconsolidated clays, shale, sand stone and the like, a water soluble or dispersible polymer which is cross-linked by a thermoset resin and causes the resin to be hard and tough when cured, a particulate curable solid thermoset resin, a water soluble thermoset resin, and a delayed dispersible acid catalyst for curing the solid and water soluble resins. The drilling fluid forms a filter cake on the walls of the well bore that cures and consolidates the unconsolidated weak zones and formations penetrated by the well bore so that sloughing is prevented and forms a hard and tough cross-linked chemical casing on the walls of the well bore.
摘要翻译：提供了在钻孔时固结地层或形成化学套管或两者的方法。本发明的一种方法包括用包括水的钻井液钻井井，吸附在由非固结粘土，页岩，砂石等形成的弱区或地层上的聚合阳离子催化剂，水溶性或分散性聚合物，通过热固性树脂交联并使树脂在固化时硬而坚韧，颗粒固化固体热固性树脂，水溶性热固性树脂和用于固化和水溶性树脂的延迟分散酸催化剂。钻井液在井眼的壁上形成滤饼，其固化和固结由井眼穿透的未固结的弱区和结构，从而防止脱落并形成硬的和坚韧的交联化学壳体井眼。

87. 发明授权

US06454004B2 Cementing casing strings in deep water offshore wells 有权
公开(公告)号：US06454004B2
公开(公告)日：2002-09-24
申请号：US09789428
申请日：2001-02-21
申请人： B. Raghava Reddy , Russell M. Fitzgerald
发明人： B. Raghava Reddy , Russell M. Fitzgerald
IPC分类号： E21B3314
CPC分类号： C09K8/473 , C04B28/02 , C04B2103/0029 , C04B2103/0031 , C04B2103/0035 , C04B2103/0036 , C04B2103/0072 , C04B2103/0074 , C04B2111/00146 , C09K8/46 , Y10S507/902 , C04B2103/12 , C04B2103/22 , C04B2103/302 , C04B2103/408 , C04B22/124 , C04B24/123 , C04B24/14 , C04B24/18 , C04B38/10 , C04B22/085 , C04B24/023 , C04B24/12 , C04B24/04 , C04B24/16
摘要： The present invention provides improved compositions and methods for cementing casing strings in deep water offshore formations penetrated by well bores. The methods are basically comprised of the steps of preparing a cement composition comprised of hydraulic cement, water, an environmentally degradable water reducing and dispersing additive, an environmentally degradable set retarding additive and an environmentally degradable compressive strength and set accelerating additive.

88. 发明授权

US06422314B1 Well drilling and servicing fluids and methods of removing filter cake deposited thereby 有权
标题翻译：钻井和维修井液以及从中除去滤饼的方法
公开(公告)号：US06422314B1
公开(公告)日：2002-07-23
申请号：US09629959
申请日：2000-08-01
申请人： Bradley L. Todd , B. Raghava Reddy , James V. Fisk, Jr. , James D. Kercheville
发明人： Bradley L. Todd , B. Raghava Reddy , James V. Fisk, Jr. , James D. Kercheville
IPC分类号： E21B3706
CPC分类号： C09K8/10 , C09K8/08 , C09K8/12 , C09K8/52 , C09K2208/18
摘要： Well drilling and servicing fluids for use in producing formations and methods of removing filter cake therefrom are provided. The methods basically comprise using a drilling or servicing fluid comprised of water, a density increasing water soluble salt, a fluid loss control agent, a hydratable polymer solid suspending agent and a particulate solid bridging agent which is soluble in an aqueous ammonium salt solution. Thereafter, the filter cake deposited by the drilling or servicing fluid is contacted with a clean-up solution comprised of water and an ammonium salt for a period of time such that the bridging agent is dissolved thereby.
摘要翻译：提供了用于生产地层的钻井和维修液以及从其中除去滤饼的方法。这些方法基本上包括使用由水，密度增加的水溶性盐，流体损失控制剂，可水合的聚合物固体悬浮剂和可溶于铵盐水溶液的颗粒状固体桥连剂组成的钻井或维修流体。此后，由钻井或维修流体沉积的滤饼与由水和铵盐组成的清理溶液接触一段时间，以使桥连剂溶解。

89. 发明授权

US06419016B1 Methods of cementing in subterranean zones 失效
标题翻译：在地下区域固井的方法
公开(公告)号：US06419016B1
公开(公告)日：2002-07-16
申请号：US09675644
申请日：2000-09-29
申请人： B. Raghava Reddy
发明人： B. Raghava Reddy
IPC分类号： E21B33138
CPC分类号： C04B28/02 , C04B24/28 , C04B2103/0072 , C04B2103/22 , C09K8/467 , Y10S507/905 , C04B14/06 , C04B38/10 , C04B2103/48
摘要： Improved methods of cementing in subterranean zones penetrated by well bores are provided. The methods are basically comprised of the steps of preparing a cement composition comprised of a hydraulic cement, a biodegradable, substantially non-dispersing set retarder of low anionic character comprised of polysuccinimide and sufficient water to form a slurry, placing said cement composition in said subterranean zone and allowing said cement composition to set into a solid mass therein.
摘要翻译：提供了改进的穿孔井下地下区固井方法。所述方法基本上包括以下步骤：制备水泥组合物，所述水泥组合物包含由聚琥珀酰亚胺和足够水形成浆料的低阴离子特性的水硬性水泥，可生物降解的，基本上不分散的阻滞剂，将所述水泥组合物置于所述地下并使所述水泥组合物在其中固化成固体。

90. 发明授权

US09284478B2 Salt of weak bronsted base and bronsted acid as gelation retarder for crosslinkable polymer compositions 有权
标题翻译：弱青铜碱和青铜酸的盐作为可交联聚合物组合物的凝胶阻滞剂
公开(公告)号：US09284478B2
公开(公告)日：2016-03-15
申请号：US12716979
申请日：2010-03-03
申请人： B. Raghava Reddy , Larry S. Eoff , Julio Estuardo Vasquez , Eldon Dwyann Dalrymple
发明人： B. Raghava Reddy , Larry S. Eoff , Julio Estuardo Vasquez , Eldon Dwyann Dalrymple
IPC分类号： E21B43/22 , C09K8/508 , C09K8/512 , C09K8/88
CPC分类号： C09K8/5083 , C09K8/512 , C09K8/882 , C09K8/887
摘要： According to one embodiment, a treatment fluid for a well includes: (a) a water-soluble polymer, wherein the water-soluble polymer comprises a polymer of at least one non-acidic ethylenically unsaturated polar monomer; (b) an organic crosslinker comprising amine groups, wherein the organic crosslinker is capable of crosslinking the water-soluble polymer; (c) a salt of a weak Bronsted base and a Bronsted acid; and (d) water; wherein the treatment fluid is a crosslinkable polymer composition. According to another embodiment, a method for blocking the permeability of a portion of a subterranean formation penetrated by a wellbore is provided, the method including the steps of: (a) selecting the portion of the subterranean formation to be treated; (b) selecting estimated treatment conditions, wherein the estimated treatment conditions comprise temperature over a treatment time; (c) forming a treatment fluid that is a crosslinkable polymer composition comprising: (i) a water-soluble polymer, wherein the water-soluble polymer comprises a polymer of at least one non-acidic ethylenically unsaturated polar monomer; (ii) an organic crosslinker comprising amine groups, wherein the organic crosslinker is capable of crosslinking the water-soluble polymer; (iii) a salt of a weak Bronsted base and a Bronsted acid; and (iv) water; (d) selecting the water-soluble polymer, the crosslinker, the salt of a weak Bronsted base and a Bronsted acid, and the water, and the proportions thereof, such that the gelation time of the treatment fluid is at least 1 hour when tested under the estimated treatment conditions; and (e) injecting the treatment fluid through the wellbore into the portion of the subterranean formation.
摘要翻译：根据一个实施方案，用于井的处理流体包括：（a）水溶性聚合物，其中所述水溶性聚合物包含至少一种非酸性烯属不饱和极性单体的聚合物; （b）包含胺基的有机交联剂，其中所述有机交联剂能够交联所述水溶性聚合物; （c）弱布朗斯台德碱和布朗斯台德酸的盐; 和（d）水; 其中所述处理流体是可交联聚合物组合物。根据另一个实施例，提供了一种用于阻挡由井眼穿透的地下地层的一部分渗透性的方法，所述方法包括以下步骤：（a）选择待处理的地层的部分; （b）选择估计的治疗条件，其中估计的治疗条件包括治疗时间以上的温度; （c）形成作为可交联聚合物组合物的处理流体，其包含：（i）水溶性聚合物，其中所述水溶性聚合物包含至少一种非酸性烯键式不饱和极性单体的聚合物; （ii）包含胺基的有机交联剂，其中所述有机交联剂能够交联所述水溶性聚合物; （iii）弱布朗斯台德碱和布朗斯台德酸的盐; 和（iv）水; （d）选择水溶性聚合物，交联剂，弱布朗斯台德碱和布朗斯台德酸的盐以及水及其比例，使得当测试时处理液的凝胶化时间至少为1小时在估计治疗条件下; 和（e）将处理流体通过井眼注入到地层的部分中。

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