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    Viscosified treatment fluids comprising scleroglucan or diutan and associated methods
    1.
    发明授权
    Viscosified treatment fluids comprising scleroglucan or diutan and associated methods 有权
    包含硬皮葡聚糖或二萜的粘稠化处理液和相关方法

    公开(公告)号：US07989400B2

    公开(公告)日：2011-08-02

    申请号：US12768577

    申请日：2010-04-27

    申请人： Richard W. Pauls ,  Ian D. Robb

    发明人： Richard W. Pauls ,  Ian D. Robb

    IPC分类号： C09K8/68 ,  C09K8/74 ,  E21B43/16

    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。

    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
    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。

    Methods and Compositions of Controlling the Rheology of a Diutan-Containing Well Treatment Fluid at High Temperatures
    3.
    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。

    Methods for reducing the viscosity of treatment fluids comprising diutan
    5.
    发明授权
    Methods for reducing the viscosity of treatment fluids comprising diutan 有权
    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。

    Methods and compositions of controlling the rheology of a diutan-containing well treatment fluid at high temperatures
    6.
    发明授权
    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：US07829508B2

    公开(公告)日：2010-11-09

    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： C09K8/68 ,  E21B43/16

    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。

    Treatment fluids comprising diutan and associated methods
    7.
    发明申请
    Treatment fluids comprising diutan and associated methods 有权
    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。

    Treatment fluids comprising diutan and associated methods
    10.
    发明申请
    Treatment fluids comprising diutan and associated methods 审中-公开
    治疗液包含虱目和相关方法

    公开(公告)号：US20080194428A1

    公开(公告)日：2008-08-14

    申请号：US11704121

    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 treatment fluid comprising a base fluid and a gelling agent that comprises a clarified diutan; and introducing the treatment fluid into at least a portion of a subterranean formation. In some embodiments, the treatment fluid may be placed into at least a portion of a subterranean formation at a pressure sufficient to create or enhance at least one fracture in the subterranean formation. In some embodiments, the 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液的处理流体和包含澄清的二a的胶凝剂的方法的方法; 并将处理流体引入到地下地层的至少一部分中。 在一些实施例中，处理流体可以以足以产生或增强地下地层中的至少一个裂缝的压力被放置在地下地层的至少一部分中。 在一些实施例中，处理流体可以被引入到管道中。 还提供了附加的方法。