VISCOUS WELLBORE FLUIDS
    1.
    发明申请

    公开(公告)号:US20120103615A1

    公开(公告)日:2012-05-03

    申请号:US13221573

    申请日:2011-08-30

    IPC分类号: E21B43/26 C09K8/588

    CPC分类号: C09K8/685 C09K8/035 C09K8/588

    摘要: A wellbore fluid contains a viscosifying polymer in which portions of the polymer are connected through formation of an inclusion complex involving cucurbituril 8 (i.e. CB[8]) as host molecule. The fluid contains guest molecules with first and second guest groups covalently attached wherein at least one of the guest molecules comprises a polymer chain. The CB [8] host and the guest molecules attach together through reception of first and second guest groups within CB[8] host cavities, thereby connecting polymer chains together as a larger, supramolecular polymer and enhancing viscosity of the fluid. Polymer molecules may be synthetic polymers and guest groups may be attached to monomers before polymerization. Alternatively guest groups may be attached to existing polymers which may be polysaccharide.

    摘要翻译: 井眼流体含有增粘聚合物,其中部分聚合物通过形成包含葫芦巴8(即CB [8])的包合物作为宿主分子连接起来。 该流体含有客体分子与共价连接的第一和第二客体基团,其中至少一个客体分子包含聚合物链。 CB [8]主体和客体分子通过接收CB [8]主体腔内的第一和第二客体群而连接在一起,从而将聚合物链连接在一起作为较大的超分子聚合物并增强流体的粘度。 聚合物分子可以是合成聚合物,并且客体基团可以在聚合之前连接到单体上。 或者客体组可以连接到可以是多糖的现有聚合物上。

    Viscous wellbore fluids
    2.
    发明授权
    Viscous wellbore fluids 有权
    粘性井筒液体

    公开(公告)号:US08757264B2

    公开(公告)日:2014-06-24

    申请号:US13221573

    申请日:2011-08-30

    IPC分类号: E21B43/16

    CPC分类号: C09K8/685 C09K8/035 C09K8/588

    摘要: A wellbore fluid contains a viscosifying polymer in which portions of the polymer are connected through formation of an inclusion complex involving cucurbituril 8 (i.e. CB[8]) as host molecule. The fluid contains guest molecules with first and second guest groups covalently attached wherein at least one of the guest molecules comprises a polymer chain. The CB[8] host and the guest molecules attach together through reception of first and second guest groups within CB[8] host cavities, thereby connecting polymer chains together as a larger, supramolecular polymer and enhancing viscosity of the fluid. Polymer molecules may be synthetic polymers and guest groups may be attached to monomers before polymerization. Alternatively guest groups may be attached to existing polymers which may be polysaccharide.

    摘要翻译: 井眼流体含有增粘聚合物,其中部分聚合物通过形成包含葫芦巴8(即CB [8])的包合物作为宿主分子连接起来。 该流体含有客体分子与共价连接的第一和第二客体基团,其中至少一个客体分子包含聚合物链。 CB [8]主体和客体分子通过接收CB [8]主体腔内的第一和第二客体群而连接在一起,从而将聚合物链连接在一起作为较大的超分子聚合物并增强流体的粘度。 聚合物分子可以是合成聚合物,并且客体基团可以在聚合之前连接到单体上。 或者客体组可以连接到可以是多糖的现有聚合物上。

    Methods for making multi-branched polymers
    3.
    发明授权
    Methods for making multi-branched polymers 有权
    制备多支链聚合物的方法

    公开(公告)号:US08013065B2

    公开(公告)日:2011-09-06

    申请号:US12481477

    申请日:2009-06-09

    IPC分类号: C08F8/00

    摘要: A method for making a multi-branched polymer includes reacting a first polymeric unit with a functional cyclic compound to form a functional macroinitiator compound with a cyclic moiety. The functional macroinitiator compound is reacted with an amine functional compound to open the cyclic moiety and form a first functional group and a second functional group. To form the branched polymer, at least one of a second polymeric unit is propagated from the first functional group and a third polymeric unit is propagated from the second functional group.

    摘要翻译: 制备多支化聚合物的方法包括使第一聚合单元与官能环状化合物反应以形成具有环状部分的官能大分子引发剂化合物。 使功能性大分子引发剂化合物与胺官能化合物反应以打开环状部分并形成第一官能团和第二官能团。 为了形成支化聚合物,第二聚合单元中的至少一个从第一官能团传播,第三聚合单元从第二官能团传播。