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公开(公告)号：US08413721B2
公开(公告)日：2013-04-09
申请号：US11805359
申请日：2007-05-22
摘要： Of the many methods and compositions provided herein, one method includes a method comprising introducing a viscosified remedial fluid comprising a base fluid, a viscosifying agent, and an oxidizer into at least a portion of a subterranean formation having damage present therein so as to contact the damage with the viscosified remedial fluid; and allowing the viscosified remedial fluid to at least partially remediate the damage present in the subterranean formation. Another method provided herein includes introducing a viscosified remedial fluid comprising a base fluid, a first viscosifying agent, and an oxidizer into at least a portion of a subterranean formation before a treatment fluid comprising a second viscosifying agent is introduced therein, wherein the oxidizer is available to remediate damage in the subterranean formation.
摘要翻译： 在本文提供的许多方法和组合物中，一种方法包括一种方法，包括将包含基础流体，增粘剂和氧化剂的增稠补救液引入其中存在损伤的至少一部分地下地层，以便接触 用粘稠补救液损坏; 并且允许粘稠补救液体至少部分地修复地层中存在的损伤。 本文提供的另一种方法包括在将包含第二增粘剂的处理流体引入其中之前，将包含基础流体，第一增稠剂和氧化剂的增稠补救液引入至地下地层的至少一部分，其中所述氧化剂可用 以修复地层中的损伤。
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2.发明申请公开(公告)号：US20120234543A1
公开(公告)日：2012-09-20
申请号：US13485312
申请日：2012-05-31
IPC分类号： E21B43/27
摘要： Methods comprising providing a treatment fluid that comprises using an aqueous base fluid, a synthetic cationic gelling agent, a plurality of particulates, and an organic acid. The treatment fluid is then introduced into at least a portion of a subterranean formation having a temperature of above about 275° F. wherein the particulates are deposited into the subterranean and the treatment fluid form at least one void in the subterranean formation itself. The viscosity of the treatment fluid in the subterranean formation is greater than about 20 cP for at least 20 minutes at temperatures higher than about 275° F.
摘要翻译： 包括提供处理流体的方法包括使用碱性水溶液，合成阳离子胶凝剂，多种颗粒和有机酸。 然后将处理流体引入到具有高于约275°F的温度的地下地层的至少一部分中，其中颗粒沉积到地下，并且处理流体形成地下地层本身中的至少一个空隙。 在高于约275°F的温度下，地层中处理液的粘度大于约20cP至少20分钟。
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公开(公告)号：US07938187B2
公开(公告)日：2011-05-10
申请号：US12787221
申请日：2010-05-26
IPC分类号： E21B43/25
摘要： Some of the methods provided comprise the steps of: providing an aqueous treatment fluid that comprises a polysaccharide and a dual functional component, the aqueous treatment fluid having a first viscosity; allowing the dual functional component to interact with the polysaccharide such that the viscosity of the aqueous treatment fluid increases to a second viscosity, the second viscosity being greater than the first viscosity; placing the aqueous treatment fluid into a subterranean formation; and allowing the dual functional component to interact with the polysaccharide so as to reduce the second viscosity of the aqueous treatment fluid to a third viscosity, the third viscosity being less than the second viscosity.
摘要翻译： 提供的一些方法包括以下步骤：提供包含多糖和双重功能组分的含水处理流体，所述水处理流体具有第一粘度; 允许双功能组分与多糖相互作用，使得水性处理流体的粘度增加到第二粘度，第二粘度大于第一粘度; 将含水处理流体置于地层中; 并且允许所述双功能组分与所述多糖相互作用以将所述水性处理流体的第二粘度降低至第三粘度，所述第三粘度小于所述第二粘度。
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公开(公告)号：US07921912B2
公开(公告)日：2011-04-12
申请号：US11502284
申请日：2006-08-10
IPC分类号： E21B43/25
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。
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5.发明授权Methods and compositions for controlling the viscosity of viscoelastic surfactant fluids 有权用于控制粘弹性表面活性剂流体粘度的方法和组合物公开(公告)号：US07261160B2
公开(公告)日：2007-08-28
申请号：US11225536
申请日：2005-09-13
CPC分类号： C09K8/68 , C09K8/12 , C09K2208/30
摘要： Viscoelastic surfactant fluids, and methods of using such fluids and controlling the viscosity thereof. In one embodiment, the methods of the present invention comprise: providing a viscoelastic surfactant fluid that comprises an aqueous-base fluid, and a surfactant; providing a metal ion having at least two oxidation states wherein at least one of the oxidation states interferes with the ability of the surfactant to form a viscosifying micelle, wherein at least a portion of the metal ion is present in an oxidation state that interferes with the ability of the surfactant to form a viscosifying micelle; allowing the metal ion to interact with viscoelastic surfactant fluid so as to decrease the ability of the surfactant to form a viscosifying micelle; and introducing the viscoelastic surfactant fluid into at least a portion of a subterranean formation.
摘要翻译： 粘弹性表面活性剂流体，以及使用这种流体并控制其粘度的方法。 在一个实施方案中，本发明的方法包括：提供包含水基液体和表面活性剂的粘弹性表面活性剂流体; 提供具有至少两种氧化态的金属离子，其中至少一种氧化态干扰表面活性剂形成增粘胶束的能力，其中金属离子的至少一部分以氧化态存在，其干扰 表面活性剂形成增粘胶束的能力; 使金属离子与粘弹性表面活性剂流体相互作用，降低表面活性剂形成增粘胶束的能力; 以及将所述粘弹性表面活性剂流体引入到地层的至少一部分中。
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6.发明申请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
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。
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7.发明授权公开(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
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。
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8.发明授权Acidic treatment fluids comprising scleroglucan and/or diutan and associated methods 有权含有硬葡聚糖和/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
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。
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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
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。
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10.发明申请公开(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。
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