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    Methods and compositions for controlling the viscosity of viscoelastic surfactant fluids
    1.
    发明申请
    Methods and compositions for controlling the viscosity of viscoelastic surfactant fluids 审中-公开
    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：US20070060482A1

    公开(公告)日：2007-03-15

    申请号：US11225537

    申请日：2005-09-13

    申请人： Thomas Welton ,  Rick Gdanski ,  Richard Pauls

    发明人： Thomas Welton ,  Rick Gdanski ,  Richard Pauls

    IPC分类号： C09K8/00 ,  B01F3/08 ,  E21B43/00

    CPC分类号： C09K8/68 ,  B01J13/04 ,  C09K2208/30

    摘要： Viscoelastic surfactant fluids, and methods of using such fluids and controlling the viscosity thereof. In one embodiment, the present invention provides a viscoelastic surfactant fluid comprising an aqueous-base fluid, a surfactant, and 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.

    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，本发明提供了一种粘弹性表面活性剂流体，其包含含水基液体，表面活性剂和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。

    Methods and compositions of controlling the rheology of a diutan-containing well treatment fluid at high temperatures
    2.
    发明申请
    Methods and compositions of controlling the rheology of a diutan-containing well treatment fluid at high temperatures 有权
    在高温下控制含狄氏剂处理液的流变性的方法和组成

    公开(公告)号：US20060205606A1

    公开(公告)日：2006-09-14

    申请号：US11077881

    申请日：2005-03-11

    申请人： Richard Pauls ,  Ian Robb ,  Bobby Burns

    发明人： Richard Pauls ,  Ian Robb ,  Bobby Burns

    IPC分类号： C09K8/00 ,  E21B43/00

    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根据Hofmeister系列的盐析效果，以及任何组合 。 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4.10〜6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组合 。

    Treatment fluids and methods of use in subterranean formations
    3.
    发明申请
    Treatment fluids and methods of use in subterranean formations 有权

    公开(公告)号：US20060016596A1

    公开(公告)日：2006-01-26

    申请号：US10897509

    申请日：2004-07-23

    申请人： Richard Pauls ,  Larry Eoff ,  Trinidad Munoz

    发明人： Richard Pauls ,  Larry Eoff ,  Trinidad Munoz

    IPC分类号： E21B43/27

    CPC分类号： C09K8/52 ,  C09K8/536

    摘要： The present invention relates to subterranean treatment operations. More particularly, the present invention relates to improved treatment fluids and methods of using such improved treatment fluids in subterranean formations. An example of a method of the present invention is a method of treating a subterranean formation. Another example of a method of the present invention is a method of drilling in a subterranean formation. Another example of a method of the present invention is a method of degrading a filter cake in a subterranean formation. An example of a composition of the present invention is a treatment fluid comprising a degradable diverting agent. Another example of a composition of the present invention is a degradable diverting agent for use in a subterranean treatment fluid.

    Brine-based viscosified treatment fluids and associated methods
    4.
    发明申请
    Brine-based viscosified treatment fluids and associated methods 审中-公开
    基于盐水的增稠处理液及相关方法

    公开(公告)号：US20060014648A1

    公开(公告)日：2006-01-19

    申请号：US10889860

    申请日：2004-07-13

    申请人： Shane Milson ,  Richard Pauls

    发明人： Shane Milson ,  Richard Pauls

    IPC分类号： C09K8/66 ,  C09K8/60

    CPC分类号： C09K8/68 ,  C09K8/08

    摘要： The present invention relates to viscosified treatment fluids used in industrial and oil field operations, and more particularly, to brine-based viscosified treatment fluids comprising xanthan gelling agents, and their use in industrial and oil field operations. In one embodiment, the present invention provides a method of treating a portion of a subterranean formation comprising the steps of: providing a viscosified treatment fluid that comprises a brine and a gelling agent that comprises a clarified xanthan; and treating the portion of the subterranean formation. The present invention also provides methods of fracturing, gravel packing, and making viscosified treatments fluids. Also provided are viscosified treatment fluid compositions, and gelling agent compositions.

    摘要翻译： 本发明涉及工业和油田操作中使用的粘稠处理液，更具体地说，涉及包含黄原胶凝胶剂的基于盐水的增稠处理流体及其在工业和油田操作中的应用。 在一个实施方案中，本发明提供了一种处理地下地层的一部分的方法，包括以下步骤：提供包含盐水和胶凝剂的增稠处理流体，其包含澄清的黄原胶; 以及处理地层的部分。 本发明还提供压裂，砾石填充和制造粘稠处理液的方法。 还提供了稠化处理液组合物和胶凝剂组合物。

    Methods and compositions for controlling the viscosity of viscoelastic surfactant fluids
    5.
    发明申请
    Methods and compositions for controlling the viscosity of viscoelastic surfactant fluids 有权

    公开(公告)号：US20070056736A1

    公开(公告)日：2007-03-15

    申请号：US11225536

    申请日：2005-09-13

    申请人： Thomas Welton ,  Rick Gdanski ,  Richard Pauls

    发明人： Thomas Welton ,  Rick Gdanski ,  Richard Pauls

    IPC分类号： E21B43/22

    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.

    Organic acid compositions and methods of use in subterranean operations
    7.
    发明申请
    Organic acid compositions and methods of use in subterranean operations 有权
    有机酸组合物和地下操作中使用的方法

    公开(公告)号：US20070187096A1

    公开(公告)日：2007-08-16

    申请号：US11352744

    申请日：2006-02-10

    申请人： Richard Pauls ,  Thomas Welton ,  David McMechan ,  Mary Van Domelen

    发明人： Richard Pauls ,  Thomas Welton ,  David McMechan ,  Mary Van Domelen

    IPC分类号： E21B43/267 ,  E21B43/27

    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 gelling agent, and one or more organic acids; and contacting a subterranean formation with the treatment fluid at or above a pressure sufficient to create or enhance one or more fractures 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：提供包含基础水基液体，胶凝剂和一种或多种有机酸的处理流体; 以及在等于或高于足以产生或增强地下地层的一部分中的一个或多个裂缝的压力下使地下地层与处理流体接触。

    Methods for reducing the viscosity of treatment fluids
    9.
    发明申请
    Methods for reducing the viscosity of treatment fluids 有权
    降低处理液粘度的方法

    公开(公告)号：US20060144592A1

    公开(公告)日：2006-07-06

    申请号：US11030697

    申请日：2005-01-06

    申请人： Robert Hanes ,  Richard Pauls ,  David Griffin ,  Keith Frost ,  John Terracina

    发明人： Robert Hanes ,  Richard Pauls ,  David Griffin ,  Keith Frost ,  John Terracina

    IPC分类号： E21B43/26

    CPC分类号： C09K8/68 ,  C09K8/64 ,  C09K8/703 ,  C09K8/706 ,  C09K2208/26 ,  Y10S507/921

    摘要： In one embodiment, the present invention provides a method of treating a subterranean formation comprising providing a viscosified treatment fluid that comprises a base fluid and a gelling agent, providing a breaker composition that comprises an oxidizing breaker and a breaker activator that comprises a metal and a protein, allowing the viscosified treatment fluid to interact with the breaker composition, treating the subterranean formation with the viscosified treatment fluid, and allowing a viscosity of the viscosified treatment fluid to be reduced. Embodiments of the invention also provide methods of reducing the viscosity of a viscosified treatment fluids and methods of activating oxidizing breakers.

    摘要翻译： 在一个实施方案中，本发明提供了一种处理地下地层的方法，包括提供包含基础流体和胶凝剂的稠化处理流体，提供包含氧化破碎剂和破坏剂活化剂的破碎剂组合物，所述破坏剂组合物包含金属和 蛋白质，使得粘稠化处理液与破碎剂组合物相互作用，用增稠的处理流体处理地下地层，并允许减粘稠化处理流体的粘度。 本发明的实施方案还提供降低稠化处理流体的粘度和活化氧化破碎剂的方法。