Drilling fluid containing carbon nanotubes
    5.
    发明授权
    Drilling fluid containing carbon nanotubes 有权
    含碳纳米管的钻井液

    公开(公告)号:US08469118B2

    公开(公告)日:2013-06-25

    申请号:US12676814

    申请日:2008-08-29

    IPC分类号: E21B7/18 C09K8/02

    摘要: A viscoelastic drilling fluid for drilling in underground rock formations, comprising (a) an aqueous and/or organic liquid base, (b) at least one weighting agent, in particulate form, with a mass per unit volume of at least 2 g/cm3, preferably at least 4 g/cm3, in suspension in said liquid base, and (c) carbon nanotubes with a mean diameter of between 10 and 30 nm and a specific surface in excess of 200 m2/g, preferably of between 200 m2/g and 250 m2/g and a drilling method using such a fluid.

    摘要翻译: 一种用于在地下岩层中钻孔的粘弹性钻井液,包括(a)水性和/或有机液体基质,(b)至少一种颗粒形式的增重剂,每单位体积的质量至少为2g / cm 3 ,优选至少4g / cm 3悬浮在所述液体基质中,和(c)平均直径为10至30nm,比表面积超过200m 2 / g,优选为200m 2 / g的碳纳米管, g和250m 2 / g,以及使用这种流体的钻孔方法。

    Adjustble Block Copolymer Having Acid Functional Groups and Adhesive and Thermoplastic Compositon Containing It
    7.
    发明申请
    Adjustble Block Copolymer Having Acid Functional Groups and Adhesive and Thermoplastic Compositon Containing It 审中-公开
    具有酸性官能团的调节嵌段共聚物和含有它的粘合剂和热塑性组合物

    公开(公告)号:US20080214712A1

    公开(公告)日:2008-09-04

    申请号:US11910799

    申请日:2006-04-10

    IPC分类号: C08K5/09 C08L53/00

    CPC分类号: C08F293/00 C08F8/44

    摘要: The invention relates to a linear ethylenic block copolymer comprising: at least a first block A having a glass transition temperature above 20° C.; at least a second block B having a glass transition temperature below 15° C.; and at least a third block C having a glass transition temperature above 20° C.; said first block A and third block C being identical or different and at least one of them comprising at least one monomer unit comprising at least one —CO2H and/or carboxylate —COO− functional group. Use of this copolymer in adhesive compositions and thermoplastic compositions.

    摘要翻译: 线性乙烯嵌段共聚物本发明涉及线性乙烯嵌段共聚物,其包含:至少具有玻璃化转变温度高于20℃的第一嵌段A. 至少第二块B的玻璃化转变温度低于15℃; 和至少具有玻璃化转变温度高于20℃的第三块C; 所述第一嵌段A和第三嵌段C相同或不同,并且它们中的至少一个包含至少一个单体单元,其包含至少一个-CO 2 H和/或羧酸酯-COO - / SUP>功能组。 在粘合剂组合物和热塑性组合物中使用该共聚物。

    DRILLING FLUID CONTAINING CARBON NANOTUBES
    9.
    发明申请
    DRILLING FLUID CONTAINING CARBON NANOTUBES 有权
    含有碳纳米管的钻井液

    公开(公告)号:US20100300759A1

    公开(公告)日:2010-12-02

    申请号:US12676814

    申请日:2008-08-29

    IPC分类号: C09K8/03 C09K8/02 C09K8/28

    摘要: The present invention relates to a viscoelastic drilling fluid for drilling in underground rock formations, comprising (a) an aqueous and/or organic liquid base, (b) at least one weighting agent, in particulate form, with a mass per unit volume of at least 2 g/cm3, preferably at least 4 g/cm3, in suspension in said liquid base, and (c) carbon nanotubes with a mean diameter of between 10 and 30 nm and a specific surface in excess of 200 m2/g, preferably of between 200 m2/g and 250 m2/g. It also relates to a drilling method using such a fluid.

    摘要翻译: 本发明涉及一种用于在地下岩层中钻井的粘弹性钻井液,包括(a)水性和/或有机液体基质,(b)至少一种颗粒形式的增重剂,每单位体积的 至少2g / cm 3,优选至少4g / cm 3悬浮在所述液体基质中,和(c)平均直径为10至30nm且比表面积超过200m 2 / g的碳纳米管,优选 为200m 2 / g至250m 2 / g。 它还涉及使用这种流体的钻孔方法。