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11. 发明授权

US08622134B2 Organic acid compositions and methods of use in subterranean operations 有权
标题翻译：有机酸组合物和地下操作中使用的方法
公开(公告)号：US08622134B2
公开(公告)日：2014-01-07
申请号：US12398314
申请日：2009-03-05
申请人： Richard W. Pauls , Thomas D. Welton , David E. McMechan , Mary Van Domelen
发明人： Richard W. Pauls , Thomas D. Welton , David E. McMechan , Mary Van Domelen
IPC分类号： E21B43/04 , E21B43/26
CPC分类号： C09K8/74 , C09K8/76
摘要： Subterranean treatment fluids comprising one or more organic acids and methods of use in subterranean operations are provided. In one embodiment, the methods comprise: providing a treatment fluid that comprises an aqueous base fluid, a plurality of particulates, a gelling agent, and one or more organic acids; introducing the treatment fluid into at least a portion of a subterranean formation; and depositing at least a portion of the particulates in a portion of the subterranean formation so as to form a gravel pack in a portion of the subterranean formation.
摘要翻译：提供了包含一种或多种有机酸的地下处理流体和在地下操作中使用的方法。在一个实施方案中，所述方法包括：提供包含基本水基液体，多个颗粒，胶凝剂和一种或多种有机酸的处理流体; 将处理流体引入至地下地层的至少一部分; 以及将所述颗粒的至少一部分沉积在所述地下地层的一部分中，以便在所述地层的一部分中形成砾石充填。

12. 发明授权

US08470747B2 Carboxylic acid and oxidizer clean-up compositions and associated methods of use in subterranean applications 有权
标题翻译：羧酸和氧化剂清除组合物及其在地下应用中的相关方法
公开(公告)号：US08470747B2
公开(公告)日：2013-06-25
申请号：US12254307
申请日：2008-10-20
申请人： Thomas D. Welton , Richard W. Pauls , Jeff T. Fleming
发明人： Thomas D. Welton , Richard W. Pauls , Jeff T. Fleming
IPC分类号： C09K8/52
CPC分类号： C09K8/68 , C09K8/524 , C09K8/56 , C09K8/685 , C09K2208/26
摘要： Of the many methods provided herein, one method of reducing the viscosity of a viscosified treatment fluid includes: providing a clean-up composition comprising a carboxylic acid; providing a chlorite-based breaker system; providing a viscosified treatment fluid; placing the viscosified treatment fluid in a subterranean formation via a well bore penetrating the subterranean formation; contacting the viscosified treatment fluid with the clean-up composition; contacting the viscosified treatment fluid with the chlorite-based breaker; and allowing the viscosity of the viscosified treatment fluid to reduce. Also provided herein are methods that include a method of reducing polymeric residue from a subterranean formation that includes: placing a clean-up composition and a chlorite-based breaker system in a subterranean formation in contact with an amount of polymeric residue; and allowing the amount of polymeric residue present in the formation to be reduced.
摘要翻译：在本文提供的许多方法中，降低稠化处理流体的粘度的一种方法包括：提供包含羧酸的清理组合物; 提供一种基于亚氯酸盐的断路器系统; 提供稠化处理液; 通过穿透地下地层的井眼将粘稠处理流体置于地下地层中; 使所述增稠处理流体与所述清理组合物接触; 使稠化处理液与亚氯酸盐类破碎剂接触; 并且允许粘稠处理液的粘度降低。本文还提供了包括从地下地层中还原聚合物残余物的方法的方法，其包括：将清理组合物和基于亚氯酸盐的破碎剂体系放置在与一定量的聚合物残留物接触的地层中; 并且允许存在于地层中的聚合物残余物的量减少。

13. 发明申请

US20120190595A1 Carboxylic Acid and Oxidizer Clean-Up Compositions and Associated Methods of Use in Subterranean Applications 有权
标题翻译：羧酸和氧化剂清理组合物和相关的地下应用方法
公开(公告)号：US20120190595A1
公开(公告)日：2012-07-26
申请号：US13438061
申请日：2012-04-03
申请人： Thomas D. Welton , Richard W. Pauls , Jeff T. Fleming
发明人： Thomas D. Welton , Richard W. Pauls , Jeff T. Fleming
IPC分类号： C09K8/62 , C09K8/34
CPC分类号： C09K8/68 , C09K8/524 , C09K8/56 , C09K8/685 , C09K2208/26
摘要： Methods of reducing the viscosity of a viscosified treatment fluid; providing a clean-up composition comprising a carboxylic acid; a chlorite-based breaker system comprising an alkali metal compound and an activator wherein the activator comprises a metal and an amine. Placing a viscosified treatment fluid in a subterranean formation via a well bore penetrating the subterranean formation; first contacting the viscosified treatment fluid with the chlorite-based breaker; and then contacting the viscosified treatment fluid with the clean-up composition; and, allowing the viscosity of the viscosified treatment fluid to reduce.
摘要翻译：降低粘稠处理液粘度的方法; 提供包含羧酸的清洁组合物; 包含碱金属化合物和活化剂的亚氯酸盐基破碎剂体系，其中活化剂包括金属和胺。通过穿透地下地层的井眼将粘稠处理液置于地下地层中; 首先使稠化处理液与亚氯酸盐类破碎剂接触; 然后使粘稠化处理流体与净化组合物接触; 并且允许粘稠的处理流体的粘度降低。

14. 发明申请

US20120186811A1 METHODS FOR STIMULATING OIL OR GAS PRODUCTION USING A VISCOSIFIED AQUEOUS FLUID WITH A CHELATING AGENT TO REMOVE CALCIUM CARBONATE AND SIMILAR MATERIALS FROM THE MATRIX OF A FORMATION OR A PROPPANT PACK 审中-公开
标题翻译：用于使用粘合剂和粘合剂将粘性碳酸酯和类似材料从形成基质或特殊包装中除去的刺激油或气体生产的方法
公开(公告)号：US20120186811A1
公开(公告)日：2012-07-26
申请号：US13433511
申请日：2012-03-29
申请人： Thomas D. Welton , Richard W. Pauls
发明人： Thomas D. Welton , Richard W. Pauls
IPC分类号： E21B43/00
CPC分类号： C09K8/536 , C09K8/528 , C09K8/86
摘要： A method for treating a portion of a subterranean formation or a proppant pack is provided. In general, the method comprises the steps of: (A) forming or providing a treatment fluid comprising: (i) water; (ii) a chelating agent capable of forming a heterocyclic ring that contains a metal ion attached to at least two nonmetal ions; and (iii) a viscosity-increasing agent; and (B) introducing the treatment fluid into the wellbore under sufficient pressure to force the treatment fluid into the matrix of the formation or the proppant pack.
摘要翻译：提供了处理地层或支撑剂包的一部分的方法。通常，该方法包括以下步骤：（A）形成或提供处理流体，包括：（i）水; （ii）能够形成含有附着于至少两种非金属离子的金属离子的杂环的螯合剂; 和（iii）增粘剂; 和（B）在足够的压力下将处理流体引入井筒中以迫使处理流体进入地层或支撑剂包的基质。

15. 发明授权

US07727936B2 Acidic treatment fluids comprising xanthan and associated methods 有权
标题翻译：酸性处理液包含黄原胶和相关方法
公开(公告)号：US07727936B2
公开(公告)日：2010-06-01
申请号：US11891538
申请日：2007-08-10
申请人： Richard W. Pauls , Thomas D. Welton
发明人： Richard W. Pauls , Thomas D. Welton
IPC分类号： C09K8/60 , E21B43/16
CPC分类号： C09K8/76 , C09K8/74
摘要： Acidic treatment fluids used in industrial and/or subterranean operations, and more particularly, acidic treatment fluids comprising clarified xanthan gelling agents, and methods of use in industrial and/or subterranean operations, are provided. In one embodiment, the methods comprise: providing an acidic treatment fluid that comprises an aqueous base fluid, an acid, and a gelling agent that comprises clarified xanthan; and introducing the acidic treatment fluid into a portion of a subterranean formation.
摘要翻译：提供了在工业和/或地下操作中使用的酸性处理液，更具体地，包括澄清的黄原胶凝胶剂的酸性处理流体，以及在工业和/或地下操作中使用的方法。在一个实施方案中，所述方法包括：提供酸性处理流体，其包含碱性水溶液，酸和包含澄清的黄原胶的胶凝剂; 并将酸性处理流体引入地下地层的一部分。

16. 发明申请

US20080277112A1 Methods for stimulating oil or gas production using a viscosified aqueous fluid with a chelating agent to remove calcium carbonate and similar materials from the matrix of a formation or a proppant pack 审中-公开
标题翻译：使用具有螯合剂的增稠水溶液刺激油或气体生产的方法以从地层或支撑剂包中除去碳酸钙和类似材料
公开(公告)号：US20080277112A1
公开(公告)日：2008-11-13
申请号：US11801209
申请日：2007-05-10
申请人： Thomas D. Welton , Richard W. Pauls
发明人： Thomas D. Welton , Richard W. Pauls
IPC分类号： E21B43/22
CPC分类号： C09K8/536 , C09K8/528 , C09K8/86
摘要： A method for treating a portion of a subterranean formation or a proppant pack is provided. In general, the method comprises the steps of: (A) forming or providing a treatment fluid comprising: (i) water; (ii) a chelating agent capable of forming a heterocyclic ring that contains a metal ion attached to at least two nonmetal ions; and (iii) a viscosity-increasing agent; and (B) introducing the treatment fluid into the wellbore under sufficient pressure to force the treatment fluid into the matrix of the formation or the proppant pack.
摘要翻译：提供了处理地层或支撑剂包的一部分的方法。通常，该方法包括以下步骤：（A）形成或提供处理流体，包括：（i）水; （ii）能够形成含有附着于至少两种非金属离子的金属离子的杂环的螯合剂; 和（iii）增粘剂; 和（B）在足够的压力下将处理流体引入井筒中以迫使处理流体进入地层或支撑剂包的基质。

17. 发明申请

US20080194427A1 Treatment fluids comprising diutan and associated methods 有权
标题翻译：治疗液包含虱目和相关方法
公开(公告)号：US20080194427A1
公开(公告)日：2008-08-14
申请号：US11704009
申请日：2007-02-08
申请人： Thomas D. Welton , Richard W. Pauls , Lulu Song , Jason E. Bryant , Sean R. Beach , Ian D. Robb
发明人： Thomas D. Welton , Richard W. Pauls , Lulu Song , Jason E. Bryant , Sean R. Beach , Ian D. Robb
IPC分类号： C09K8/00
CPC分类号： F17D1/17 , C09K8/68 , C09K8/72
摘要： Methods are provided that include a method comprising providing a acidic treatment fluid that comprises a base fluid, an acid composition, and a gelling agent that comprises clarified diutan; and introducing the acidic treatment fluid into at least a portion of a subterranean formation. In some embodiments, the acidic treatment fluid may be allowed to interact with a component of the subterranean formation so that the component is at least partially dissolved. In some embodiments, the acidic treatment fluid may be introduced into a pipeline. Additional methods are also provided.
摘要翻译：提供了包括提供包含基础流体，酸组合物和包含澄清的二a的胶凝剂的酸性处理流体的方法，并将酸性处理流体引入到地下地层的至少一部分中。在一些实施方案中，可以使酸性处理流体与地层的组分相互作用，使得该组分至少部分溶解。在一些实施方案中，可以将酸性处理流体引入管道中。还提供了附加的方法。

18. 发明申请

US20080078548A1 Methods of fracturing a subterranean formation using a jetting tool and a viscoelastic surfactant fluid to minimize formation damage 有权
$Methods of fracturing a subterranean formation using a jetting tool and a viscoelastic surfactant fluid to minimize formation damage$
标题翻译：使用喷射工具和粘弹性表面活性剂流体压裂地下地层以最小化地层损伤的方法
公开(公告)号：US20080078548A1
公开(公告)日：2008-04-03
申请号：US11540880
申请日：2006-09-29
申请人： Richard W. Pauls , Jim B. Surjaatmadja , Thomas D. Welton
发明人： Richard W. Pauls , Jim B. Surjaatmadja , Thomas D. Welton
IPC分类号： E21B43/267 , E21B43/114
CPC分类号： E21B43/114 , C09K8/68 , C09K2208/30 , E21B43/26
摘要： A method of fracturing a production interval of a subterranean formation adjacent a wellbore that is open hole or has an uncemented liner is provided. The method comprises the steps of: (a) perforating a zone of the production interval by injecting a pressurized fluid through a hydrajetting tool into the subterranean formation, so as to form one or more perforation tunnels; and (b) injecting a fracturing fluid into the one or more perforation tunnels so as to create at least one fracture along each of the one or more perforation tunnels; wherein at least a portion of at least one of the pressurized fluid and the fracturing fluid comprises a viscoelastic surfactant fluid. According to another aspect, a method of fracturing a production interval of a subterranean formation adjacent a wellbore that is open hole or has an uncemented liner is provided, wherein the method comprises the steps of: (a) perforating a zone of the production interval by injecting a pressurized fluid through a hydrajetting tool into the subterranean formation, so as to form one or more perforation tunnels; (b) injecting a fracturing fluid into the one or more perforation tunnels so as to create at least one fracture along each of the one or more perforation tunnels; and (c) plugging at least partially the one or more fractures in the zone with an isolation fluid; wherein at least a portion of at least one of the pressurized fluid, the fracturing fluid, and the isolation fluid comprises a viscoelastic surfactant fluid.
摘要翻译：提供了一种在靠近井眼或具有非水槽衬套的井筒上压裂地层的生产间隔的方法。该方法包括以下步骤：（a）通过将加压流体通过水力喷射工具注入到地下地层中来对生产区间进行穿孔，以便形成一个或多个穿孔隧道; 和（b）将压裂流体注入到所述一个或多个穿孔隧道中，以便沿着所述一个或多个穿孔隧道中的每一个产生至少一个裂缝; 其中所述加压流体和压裂流体中的至少一个的至少一部分包括粘弹性表面活性剂流体。根据另一方面，提供了一种压裂邻近井眼或具有未凝固衬套的井眼的地层的生产间隔的方法，其中所述方法包括以下步骤：（a）通过以下步骤穿过生产间隔区：将加压流体通过水力喷射工具注入到地下地层中，以形成一个或多个穿孔隧道; （b）将压裂流体注入到所述一个或多个穿孔隧道中，以便沿着所述一个或多个穿孔隧道中的每一个产生至少一个裂缝; 和（c）用隔离流体至少部分地堵塞该区域中的一个或多个裂缝; 其中所述加压流体，压裂流体和所述分离流体中的至少一个的至少一部分包括粘弹性表面活性剂流体。

19. 发明申请

US20080035341A1 Non-acid acidizing methods and compositions 有权
标题翻译：非酸酸化方法和组合物
公开(公告)号：US20080035341A1
公开(公告)日：2008-02-14
申请号：US11502284
申请日：2006-08-10
申请人： Rajesh K. Saini , Bradley L. Todd , David E. McMechan , Thomas D. Welton , Richard W. Pauls
发明人： Rajesh K. Saini , Bradley L. Todd , David E. McMechan , Thomas D. Welton , Richard W. Pauls
IPC分类号： E21B43/27 , E21B43/22
CPC分类号： C09K8/72
摘要： Methods of acidizing subterranean formations or well bores, and more specifically, to acidizing systems involving acid-generating fluids that comprise acid-generating compounds and associated methods are provided. An example is a method that comprises: providing an acid-generating fluid that comprises an acid-generating compound; placing the acid-generating fluid into a subterranean formation; and allowing an acid to generate from the acid-generating fluid.
摘要翻译：提供酸化地下地层或井眼的方法，更具体地说，涉及包含产酸化合物和相关方法的产酸流体的酸化体系。一个实例是一种方法，其包括：提供包含酸产生化合物的产酸流体; 将产酸流体置于地层中; 并且允许酸从产酸流体产生。

20. 发明授权

US08720558B2 Viscosified fluids for remediating subterranean damage 有权
标题翻译：用于修复地下损伤的粘稠液体
公开(公告)号：US08720558B2
公开(公告)日：2014-05-13
申请号：US13433686
申请日：2012-03-29
申请人： Thomas D. Welton , Richard W. Pauls , David E. McMechan , John M. Terracina
发明人： Thomas D. Welton , Richard W. Pauls , David E. McMechan , John M. Terracina
IPC分类号： E21B43/26 , E21B37/00
CPC分类号： C09K8/524 , C09K8/528 , C09K8/602 , C09K8/88
摘要： Methods for remediating a subterranean formation can comprise: introducing a first remedial fluid into a first portion of a subterranean formation, wherein the first remedial fluid comprises a base fluid and a viscosifying agent; and allowing the first remedial fluid to divert at least a portion of a second remedial fluid that comprises an oxidizer to a second portion of the subterranean formation; wherein the viscosifying agent comprises at least one viscosifying agent selected from the group consisting of a gelling agent, an emulsifier, or a gas in combination with a foaming agent; and wherein the gelling agent, if present, comprises at least one polymer selected from the group consisting of xanthan, diutans, wellans, succinoglycan, clarified biopolymers, scleroglycan, combinations thereof, and derivatives thereof.
摘要翻译：用于修复地下地层的方法可以包括：将第一补救流体引入地层的第一部分，其中第一补救流体包括基础流体和增粘剂; 并且允许第一补救液将包含氧化剂的第二补救液的至少一部分转移到地层的第二部分; 其中所述增粘剂包含至少一种选自由发泡剂组合的胶凝剂，乳化剂或气体组成的组中的增粘剂; 并且其中所述胶凝剂（如果存在的话）包含至少一种选自由黄原胶，二萜，维生素，琥珀酰聚糖，澄清的生物聚合物，硬葡聚糖，其组合及其衍生物组成的组的聚合物。

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