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    Methods of cementing using cationic cellulose ethers as fluid loss control additives
    1.
    发明申请
    Methods of cementing using cationic cellulose ethers as fluid loss control additives 审中-公开
    使用阳离子纤维素醚作为流失液控制添加剂的固井方法

    公开(公告)号：US20070137861A1

    公开(公告)日：2007-06-21

    申请号：US11314264

    申请日：2005-12-21

    申请人： Jiten Chatterji ,  Roger Cromwell ,  D. Brenneis

    发明人： Jiten Chatterji ,  Roger Cromwell ,  D. Brenneis

    IPC分类号： E21B33/13 ,  C04B24/00

    CPC分类号： C04B24/383 ,  C04B28/02 ,  C04B40/0039 ,  C04B2103/408 ,  C04B2103/46 ,  C09K8/487 ,  C04B24/30 ,  C04B14/06 ,  C04B24/16 ,  C04B24/28

    摘要： Methods of cementing comprising: providing a cement composition comprising a cement, water, and a fluid loss control additive comprising a cationic cellulose ether, the cationic cellulose ether comprising a backbone of anhydroglucose units and a plurality of positively charged substituent groups spaced along the backbone; placing the cement composition into a location to be cemented; and allowing the cement composition to set therein. Cement compositions comprising a cement; water, and a fluid loss control additive comprising a cationic cellulose ether, the cationic cellulose ether comprising a backbone of anhydroglucose units and a plurality of positively charged substituent groups spaced along the backbone. Fluid loss control additives comprising: a cationic cellulose ether, the cationic cellulose ether comprising a backbone of anhydroglucose units and a plurality of positively charged substituent groups spaced along the backbone; and a dispersant.

    摘要翻译： 固井方法包括：提供一种水泥组合物，其包含水泥，水和含有阳离子纤维素醚的流体损失控制添加剂，所述阳离子纤维素醚包含脱水葡萄糖单元的主链和沿所述主链间隔开的多个带正电荷的取代基; 将水泥组合物放置在要胶结的位置; 并且允许将水泥组合物放置在其中。 包含水泥的水泥组合物; 水和包含阳离子纤维素醚的流体损失控制添加剂，所述阳离子纤维素醚包含脱水葡萄糖单元的主链和沿主链间隔开的多个带正电荷的取代基。 流体损失控制添加剂，其包含：阳离子纤维素醚，所述阳离子纤维素醚包含脱水葡萄糖单元的主链和沿主链间隔开的多个带正电荷的取代基; 和分散剂。

    Methods of cementing using cement compositions comprising basalt fibers
    3.
    发明申请
    Methods of cementing using cement compositions comprising basalt fibers 有权
    使用包含玄武岩纤维的水泥组合物进行固井的方法

    公开(公告)号：US20060213664A1

    公开(公告)日：2006-09-28

    申请号：US11089609

    申请日：2005-03-25

    申请人： Jiten Chatterji ,  Roger Cromwell ,  D. Brenneis

    发明人： Jiten Chatterji ,  Roger Cromwell ,  D. Brenneis

    IPC分类号： E21B33/13

    CPC分类号： C04B28/02 ,  C04B28/06 ,  C04B28/08 ,  C04B28/14 ,  C09K8/467 ,  C04B14/4668 ,  C04B22/0026 ,  C04B38/10

    摘要： Methods of using cement compositions that comprise basalt fibers in subterranean formations are provided. An example of such a method may comprise providing a cement composition that comprises water, a hydraulic cement, and a plurality of basalt fibers; introducing the cement composition into a subterranean formation; allowing the cement composition to set therein. Also provided are methods of cementing a pipe string in a well bore and methods of enhancing the compressive strength of a cement composition.

    摘要翻译： 提供了在地下地层中使用包含玄武岩纤维的水泥组合物的方法。 这种方法的实例可以包括提供包含水，水硬性水泥和多种玄武岩纤维的水泥组合物; 将水泥组合物引入地层; 允许水泥组合物置于其中。 还提供了将管柱固定在井眼中的方法以及提高水泥组合物的抗压强度的方法。

    Cationic cellulose ethers as fluid loss control additives in cement compositions and associated methods
    5.
    发明申请
    Cationic cellulose ethers as fluid loss control additives in cement compositions and associated methods 审中-公开
    阳离子纤维素醚作为水泥组合物和相关方法中的失水控制添加剂

    公开(公告)号：US20070137529A1

    公开(公告)日：2007-06-21

    申请号：US11314391

    申请日：2005-12-21

    申请人： Jiten Chatterji ,  Roger Cromwell ,  D. Brenneis

    发明人： Jiten Chatterji ,  Roger Cromwell ,  D. Brenneis

    IPC分类号： C04B24/00 ,  C04B40/00

    CPC分类号： C04B24/386 ,  C04B24/166 ,  C04B40/0039 ,  C04B2103/0005 ,  C04B2103/0059 ,  C04B2103/46 ,  C09K8/487 ,  C04B24/383 ,  C04B28/02

    摘要： Methods of cementing comprising: providing a cement composition comprising a cement, water, and a fluid loss control additive comprising a cationic cellulose ether, the cationic cellulose ether comprising a backbone of anhydroglucose units and a plurality of positively charged substituent groups spaced along the backbone; placing the cement composition into a location to be cemented; and allowing the cement composition to set therein. Cement compositions comprising a cement; water, and a fluid loss control additive comprising a cationic cellulose ether, the cationic cellulose ether comprising a backbone of anhydroglucose units and a plurality of positively charged substituent groups spaced along the backbone. Fluid loss control additives comprising: a cationic cellulose ether, the cationic cellulose ether comprising a backbone of anhydroglucose units and a plurality of positively charged substituent groups spaced along the backbone; and a dispersant.

    摘要翻译： 固井方法包括：提供一种水泥组合物，其包含水泥，水和含有阳离子纤维素醚的流体损失控制添加剂，所述阳离子纤维素醚包含脱水葡萄糖单元的主链和沿所述主链间隔开的多个带正电荷的取代基; 将水泥组合物放置在要胶结的位置; 并且允许将水泥组合物放置在其中。 包含水泥的水泥组合物; 水和包含阳离子纤维素醚的流体损失控制添加剂，所述阳离子纤维素醚包含脱水葡萄糖单元的主链和沿主链间隔开的多个带正电荷的取代基。 流体损失控制添加剂，其包含：阳离子纤维素醚，所述阳离子纤维素醚包含脱水葡萄糖单元的主链和沿主链间隔开的多个带正电荷的取代基; 和分散剂。

    Foamed cement compositions, additives, and associated methods
    8.
    发明申请
    Foamed cement compositions, additives, and associated methods 有权
    发泡水泥组合物，添加剂和相关方法

    公开(公告)号：US20060016602A1

    公开(公告)日：2006-01-26

    申请号：US11132803

    申请日：2005-05-19

    申请人： Jiten Chatterji ,  D. Brenneis ,  Bobby King ,  Roger Cromwell ,  Dennis Gray

    发明人： Jiten Chatterji ,  D. Brenneis ,  Bobby King ,  Roger Cromwell ,  Dennis Gray

    IPC分类号： E21B33/13 ,  C04B24/12 ,  C04B24/16

    CPC分类号： C09K8/473 ,  C04B24/123 ,  C04B24/16 ,  C04B24/32 ,  C04B28/02 ,  C04B40/0039 ,  C04B2111/00017 ,  C04B22/124 ,  C04B2103/40 ,  C04B2103/42 ,  C04B2103/48 ,  C04B24/12 ,  C04B14/06 ,  C04B22/002 ,  C04B24/121 ,  C04B38/103 ,  C04B38/10

    摘要： The present invention relates to cementing operations and, more particularly, to foamed cement compositions, foaming and stabilizing additives, and associated methods. A foaming and stabilizing additive, that comprises a mixture of an alkali salt of an alkyl ether sulfate surfactant, wherein the alkali salt of the alkyl ether sulfate surfactant comprises a mixture of an alkali salt of a C6-10 alkyl ether sulfate surfactant, and an alkali salt of a C2-4 alkyl ether sulfate surfactant, an alkyl or alkene amidopropyl betaine surfactant, an alkyl or alkene amidopropyl dimethylamine oxide surfactant, sodium chloride, and water, is provided. Also provided are foamed cement compositions that comprise the foaming and stabilizing additive, and associated methods.

    摘要翻译： 本发明涉及胶结作业，更特别涉及发泡水泥组合物，发泡和稳定添加剂以及相关方法。 一种发泡稳定添加剂，其包含烷基醚硫酸盐表面活性剂的碱金属盐的混合物，其中烷基醚硫酸盐表面活性剂的碱金属盐包括C 6〜10的碱金属盐的混合物 烷基醚硫酸盐表面活性剂和C 2-4烷基醚硫酸盐表面活性剂的碱金属盐，烷基或烯烃酰氨基丙基甜菜碱表面活性剂，烷基或烯烃酰氨基丙基二甲基氧化胺表面活性剂，氯化钠和水 ，被提供。 还提供了包含发泡和稳定添加剂的发泡水泥组合物以及相关方法。