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1. 发明申请

US20130000913A1 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：使用具有螯合剂的粘稠水溶液刺激油或气体生产的方法从形成基质或支撑剂包中除去碳酸钙和类似材料
公开(公告)号：US20130000913A1
公开(公告)日：2013-01-03
申请号：US13611567
申请日：2012-09-12
申请人： Thomas D. Welton , Richard W. Pauls
发明人： Thomas D. Welton , Richard W. Pauls
IPC分类号： E21B43/27 , E21B43/22
CPC分类号： C09K8/536 , C09K8/528 , C09K8/86
摘要： Methods for treating a subterranean formation can comprise introducing a treatment fluid comprising dicarboxymethyl glutamic acid (GLDA) or a salt thereof into a subterranean formation, and at least partially removing an iron-containing material in the subterranean formation using the GLDA. Treatment fluids used in the methods may have a pH equal to or greater than about 2.
摘要翻译：用于处理地下地层的方法可以包括将包含二羧甲基谷氨酸（GLDA）或其盐的处理流体引入到地下地层中，并且使用GLDA至少部分地除去地下地层中的含铁物质。方法中使用的处理液可具有等于或大于约2的pH。

2. 发明授权

US08343896B2 Sealant compositions comprising diutan and associated methods 有权
标题翻译：密封剂组合物，包括鞣剂和相关方法
公开(公告)号：US08343896B2
公开(公告)日：2013-01-01
申请号：US12570057
申请日：2009-09-30
申请人： Larry S. Eoff , Richard W. Pauls
发明人： Larry S. Eoff , Richard W. Pauls
IPC分类号： C09K8/44
CPC分类号： C09K8/426 , C04B28/02 , C09K8/428 , C09K8/44 , C09K8/467 , C09K8/508 , C09K8/5083 , C09K8/512 , C09K8/514 , C04B24/2652 , C04B24/38 , C04B24/383 , C04B24/163 , C04B14/062
摘要： Methods are provided comprising providing a sealant composition comprising an aqueous fluid, a diutan composition, at least one gel system, and a leak off prevention material; introducing the sealant composition into a well bore penetrating the subterranean formation; and allowing the sealant composition to form a seal.
摘要翻译：提供的方法包括提供包含含水流体，二萜组合物，至少一种凝胶体系和防泄漏材料的密封剂组合物; 将密封剂组合物引入穿透地下地层的井眼中; 并使密封剂组合物形成密封。

3. 发明授权

US08071511B2 Methods for stimulating oil or gas production using a viscosified aqueous fluid with a chelating agent to remove scale from wellbore tubulars or subsurface equipment 有权
标题翻译：使用具有螯合剂的粘稠水溶液刺激油或气体生产的方法以从井眼管或地下设备去除垢
公开(公告)号：US08071511B2
公开(公告)日：2011-12-06
申请号：US11801200
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： C09K8/68 , C09K8/52 , C09K8/08 , E21B37/00
CPC分类号： C09K8/528 , C09K8/536 , C09K8/86 , Y10S507/927
摘要： A method for treating a wellbore tubular or subsurface completion equipment to help remove scale is provided. In general, the method comprises the steps of: (A) determining the likelihood of the presence of carbonate scale in the wellbore tubular or subsurface completion equipment; (B) 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 (C) introducing the treatment fluid into the wellbore tubular or the subsurface completion equipment.
摘要翻译：提供了一种用于处理井眼管状或地下完井设备以帮助去除垢的方法。通常，该方法包括以下步骤：（A）确定在井筒管或地下完井设备中存在碳酸盐垢的可能性; （B）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（C）将处理流体引入井眼管或地下完井设备中。

4. 发明申请

US20100256023A1 METHODS AND COMPOSITIONS OF CONTROLLING THE RHEOLOGY OF A DIUTAN-CONTAINING WELL TREATMENT FLUID AT HIGH TEMPERATURES 有权
标题翻译：含高浓度含钛脱脂液的流变学方法与组成
公开(公告)号：US20100256023A1
公开(公告)日：2010-10-07
申请号：US12768577
申请日：2010-04-27
申请人： Richard W. Pauls , Ian D. Robb , Bobby J. Bums
发明人： Richard W. Pauls , Ian D. Robb , Bobby J. Bums
IPC分类号： C09K8/90
CPC分类号： C09K8/08 , C09K8/206 , C09K8/68 , C09K8/845 , C09K8/90
摘要： The invention provides a method for treating a subterranean formation penetrated by a wellbore, the method comprising the steps of formulating a treatment fluid and introducing the treatment fluid through the wellbore. The treatment fluid comprises water; diutan; and a sufficient amount of salt to increase the density of the treatment fluid to at least 8.5 lb/gal, wherein at least 50% by weight of the salt is selected from the group consisting of: bromide salts, non-bromide salts having a higher salting-in effect than bromide according to the Hofmeister series as measured by the salt's effect on the cloud point of poly(ethylene oxide) that has a molecular weight of 4×106, and any combination in any proportion thereof. The invention also provides a treatment fluid for use in a subterranean formation penetrated by a wellbore, the treatment fluid comprising: water; diutan; and a sufficient amount of salt to increase the density of the treatment fluid to at least 8.5 lb/gal, wherein at least 50% by weight of the salt is selected from the group consisting of: bromide salts, non-bromide salts having a higher salting-in effect than bromide according to the Hofmeister series as measured by the salt's effect on the cloud point of poly(ethylene oxide) that has a molecular weight of 4.106, and any combination in any proportion thereof.
摘要翻译：本发明提供了一种处理井眼穿透的地层的方法，所述方法包括配制处理流体并通过井筒引入处理流体的步骤。处理液包含水; di an 和足够量的盐以将处理流体的密度增加至至少8.5lb / gal，其中至少50重量％的盐选自：溴化物盐，具有较高浓度的溴化物盐，非溴化物盐通过盐对分子量为4×10 6的聚（环氧乙烷）的浊点的影响测定的Hofmeister系列的盐析效果以及任何比例的任何组合。本发明还提供一种用于在井眼穿透的地层中的处理流体，所述处理流体包括：水; di an 和足够量的盐以将处理流体的密度增加至至少8.5lb / gal，其中至少50重量％的盐选自：溴化物盐，具有较高浓度的溴化物盐，非溴化物盐通过盐对分子量为4.106的聚（环氧乙烷）的浊点的影响测定的根据Hofmeister系列的溴化物的盐析效果以及任何比例的任何组合。

5. 发明申请

US20100216673A1 Methods and Compositions of Controlling the Rheology of a Diutan-Containing Well Treatment Fluid at High Temperatures 有权
标题翻译：在高温下控制含二氧化aining井处理液的流变学的方法和组成
公开(公告)号：US20100216673A1
公开(公告)日：2010-08-26
申请号：US12543244
申请日：2009-08-18
申请人： Richard W. Pauls , Ian D. Robb , Bobby J. Burns
发明人： Richard W. Pauls , Ian D. Robb , Bobby J. Burns
IPC分类号： C09K8/90
CPC分类号： C09K8/08 , C09K8/206 , C09K8/68 , C09K8/845 , C09K8/90
摘要： The invention provides a method for treating a subterranean formation penetrated by a wellbore, the method comprising the steps of formulating a treatment fluid and introducing the treatment fluid through the wellbore. The treatment fluid comprises water; diutan; and a sufficient amount of salt to increase the density of the treatment fluid to at least 8.5 lb/gal, wherein at least 50% by weight of the salt is selected from the group consisting of: bromide salts, non-bromide salts having a higher salting-in effect than bromide according to the Hofmeister series as measured by the salt's effect on the cloud point of poly(ethylene oxide) that has a molecular weight of 4×106, and any combination in any proportion thereof. The invention also provides a treatment fluid for use in a subterranean formation penetrated by a wellbore, the treatment fluid comprising: water; diutan; and a sufficient amount of salt to increase the density of the treatment fluid to at least 8.5 lb/gal, wherein at least 50% by weight of the salt is selected from the group consisting of: bromide salts, non-bromide salts having a higher salting-in effect than bromide according to the Hofmeister series as measured by the salt's effect on the cloud point of poly(ethylene oxide) that has a molecular weight of 4.106, and any combination in any proportion thereof.
摘要翻译：本发明提供了一种处理井眼穿透的地层的方法，所述方法包括配制处理流体并通过井筒引入处理流体的步骤。处理液包含水; di an 和足够量的盐以将处理流体的密度增加至至少8.5lb / gal，其中至少50重量％的盐选自：溴化物盐，具有较高浓度的溴化物盐，非溴化物盐通过盐对分子量为4×10 6的聚（环氧乙烷）的浊点的影响测定的Hofmeister系列的盐析效果以及任何比例的任何组合。本发明还提供一种用于在井眼穿透的地层中的处理流体，所述处理流体包括：水; di an 和足够量的盐以将处理流体的密度增加至至少8.5lb / gal，其中至少50重量％的盐选自：溴化物盐，具有较高浓度的溴化物盐，非溴化物盐通过盐对分子量为4.106的聚（环氧乙烷）的浊点的影响测定的根据Hofmeister系列的溴化物的盐析效果以及任何比例的任何组合。

6. 发明授权

US07621334B2 Acidic treatment fluids comprising scleroglucan and/or diutan and associated methods 有权
标题翻译：含有硬葡聚糖和/或二萜的酸性处理液和相关方法
公开(公告)号：US07621334B2
公开(公告)日：2009-11-24
申请号：US11118028
申请日：2005-04-29
申请人： Thomas D. Welton , Richard W. Pauls , Ian D. Robb
发明人： Thomas D. Welton , Richard W. Pauls , Ian D. Robb
IPC分类号： E21B43/16 , E21B43/26
CPC分类号： C09K8/74 , C09K8/528 , C09K8/887 , C09K8/90
摘要： In one embodiment, a method is provided comprising: providing an acidic treatment fluid that comprises a gelling agent that comprises an aqueous base fluid, an acid, and a gelling agent that comprises scleroglucan and/or diutan; and introducing the acidic treatment fluid into a subterranean formation.
摘要翻译：在一个实施方案中，提供了一种方法，其包括：提供包含胶凝剂的酸性处理流体，所述胶凝剂包含含水基础流体，酸和包含硬葡聚糖和/或二脱氧的胶凝剂; 并将酸性处理流体引入地层中。

7. 发明申请

US20090255668A1 Clean Fluid Systems for Partial Monolayer Fracturing 有权
标题翻译：清洁流体系统部分单层压裂
公开(公告)号：US20090255668A1
公开(公告)日：2009-10-15
申请号：US12101099
申请日：2008-04-10
申请人： Jeff T. Fleming , Richard W. Pauls , Thomas D. Welton , David E. McMechan , Bradley L. Todd , Jason Bryant
发明人： Jeff T. Fleming , Richard W. Pauls , Thomas D. Welton , David E. McMechan , Bradley L. Todd , Jason Bryant
IPC分类号： E21B43/267 , E21B47/00 , E21B43/22
CPC分类号： C09K8/685 , C09K8/703 , C09K8/80 , C09K8/805
摘要： Provided are methods that include a method comprising: placing a clean fluid comprising proppant particulates into a portion of a fracture in a subterranean formation, and depositing one or more of the proppant particulates into the fracture to form a partial monolayer. In another aspect, the invention provides methods that include placing a degradable fluid loss additive comprising collagen into a subterranean formation.
摘要翻译：提供的方法包括一种方法，包括：将包含支撑剂颗粒的清洁流体放置在地层中的断裂的一部分中，以及将一种或多种支撑剂颗粒沉积到断裂中以形成部分单层。在另一方面，本发明提供了包括将包含胶原蛋白的可降解流体损失添加剂放置在地层中的方法。

8. 发明授权

US07584791B2 Methods for reducing the viscosity of treatment fluids comprising diutan 有权
标题翻译：包含二of的处理流体的粘度降低的方法
公开(公告)号：US07584791B2
公开(公告)日：2009-09-08
申请号：US11703949
申请日：2007-02-08
申请人： Ian D. Robb , Richard W. Pauls , Lulu Song
发明人： Ian D. Robb , Richard W. Pauls , Lulu Song
IPC分类号： E21B43/27
CPC分类号： C09K8/68 , C09K2208/26
摘要： Methods are provided that include a method comprising providing a treatment fluid comprising a base fluid and a gelling agent that comprises a diutan composition; providing a breaker that comprises an acid composition; allowing the breaker to interact with the treatment fluid; and allowing the viscosity of the treatment fluid to decrease. In some embodiments, the treatment fluid may comprise a base fluid, a gelling agent that comprises a diutan composition, and a breaker that comprises an acid composition. In some embodiments, the treatment fluid may be introduced into a portion of the subterranean formation at or above a pressure sufficient to create or enhance one or more fractures in the portion of the subterranean formation. Additional methods are also provided.
摘要翻译：提供了包括提供包含基础液的处理流体和包含鞣剂组合物的胶凝剂的方法的方法，提供包含酸组合物的断路器; 允许断路器与处理流体相互作用; 并使处理液的粘度降低。在一些实施方案中，处理流体可以包含基础流体，包含鞣剂组合物的胶凝剂和包含酸组合物的断路器。在一些实施方案中，处理流体可以在等于或高于足以产生或增强地下地层部分中的一个或多个裂缝的压力下被引入到地下地层的一部分中。还提供了附加的方法。

9. 发明申请

US20080280789A1 Methods for stimulating oil or gas production using a viscosified aqueous fluid with a chelating agent to remove scale from wellbore tubulars or subsurface equipment 有权
标题翻译：使用具有螯合剂的粘稠水溶液刺激油或气体生产的方法以从井眼管或地下设备去除垢
公开(公告)号：US20080280789A1
公开(公告)日：2008-11-13
申请号：US11801200
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： C09K8/584
CPC分类号： C09K8/528 , C09K8/536 , C09K8/86 , Y10S507/927
摘要： A method for treating a wellbore tubular or subsurface completion equipment to help remove scale is provided. In general, the method comprises the steps of: (A) determining the likelihood of the presence of carbonate scale in the wellbore tubular or subsurface completion equipment; (B) 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 (C) introducing the treatment fluid into the wellbore tubular or the subsurface completion equipment.
摘要翻译：提供了一种用于处理井眼管状或地下完井设备以帮助去除垢的方法。通常，该方法包括以下步骤：（A）确定在井筒管或地下完井设备中存在碳酸盐垢的可能性; （B）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（C）将处理流体引入井眼管或地下完井设备中。

10. 发明申请

US20080217011A1 Methods for treating a subterranean formation with a treatment fluid containing a gelling agent and subsequently breaking the gel with an oxidizer 审中-公开
标题翻译：用含有胶凝剂的处理流体处理地层并随后用氧化剂破坏凝胶的方法
公开(公告)号：US20080217011A1
公开(公告)日：2008-09-11
申请号：US11714319
申请日：2007-03-06
申请人： Richard W. Pauls , Michael W. Sanders
发明人： Richard W. Pauls , Michael W. Sanders
IPC分类号： E21B33/13 , C09K8/00
CPC分类号： C09K8/512 , C09K8/514 , C09K8/68 , C09K2208/26
摘要： A method is provided for treating a zone of a subterranean formation penetrated by a wellbore. The method includes a step of introducing a treatment fluid into a zone of a subterranean formation through the wellbore, wherein the treatment fluid comprises: (i) water; (ii) a gelling agent comprising a polymer grafted with a vinyl phosphonic acid or derivative thereof; and (iii) a crosslinking agent, and the step of subsequently introducing an oxidizer into a zone of a subterranean formation through the wellbore. According to another aspect the method includes a step of introducing a treatment fluid into a zone of a subterranean formation through the wellbore, wherein the treatment fluid comprises: (i) water; (ii) a gelling agent comprising a polymer grafted with a vinyl phosphonic acid or derivative thereof; and (iii) a magnesium oxide; and the step of: introducing an acid into the zone through the wellbore.
摘要翻译：提供了一种处理由井筒渗透的地层的区域的方法。该方法包括通过井眼将处理流体引入地层的区域中的步骤，其中处理流体包括：（i）水; （ii）包含接枝有乙烯基膦酸或其衍生物的聚合物的胶凝剂; 和（iii）交联剂，以及随后通过井眼将氧化剂引入地层的区域中的步骤。根据另一方面，该方法包括将处理流体通过井眼引入地层的区域的步骤，其中处理流体包括：（i）水; （ii）包含接枝有乙烯基膦酸或其衍生物的聚合物的胶凝剂; 和（iii）氧化镁; 以及通过井筒将酸引入该区域的步骤。

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