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23 条记录 (耗时 0.014 秒)

    Self-inhibited swell packer compound
    7.
    发明授权
    Self-inhibited swell packer compound 有权
    自我抑制膨胀封隔器化合物

    公开(公告)号：US09090812B2

    公开(公告)日：2015-07-28

    申请号：US13315644

    申请日：2011-12-09

    申请人： David P. Gerrard ,  James E. Goodson ,  John C. Welch ,  Anil K. Sadana

    发明人： David P. Gerrard ,  James E. Goodson ,  John C. Welch ,  Anil K. Sadana

    IPC分类号： C09K8/44 ,  C09K8/512 ,  C08L9/02 ,  E21B33/12

    CPC分类号： C09K8/512 ,  C08L9/02 ,  C09K8/44 ,  E21B33/1208 ,  C08L33/08 ,  C08L1/10

    摘要： A downhole sealant includes a composition that includes a polymer; an absorbent material; a primary crosslink network including primary bonds between chains of the polymer; and a secondary crosslink network which is transient. A method of regulating the swell rate of the downhole sealant includes disposing a downhole sealant comprising a polymer and an absorbent material in a borehole; maintaining a primary crosslink network of the polymer; and decomposing a secondary crosslink network of the absorbent material in response to a condition to regulate the swell rate of the downhole sealant.

    摘要翻译： 井下密封剂包括包含聚合物的组合物; 吸收材料; 包括聚合物链之间的主键的主要交联网络; 以及短暂的二次交联网络。 调节井下密封剂的膨胀率的方法包括在钻孔中设置包含聚合物和吸收材料的井下密封剂; 保持聚合物的主要交联网络; 并且响应于调节井下密封剂的膨胀速率的条件，分解吸收材料的二次交联网络。

    Use of alkoxylated surfactants and aluminum chlorohydrate to improve brine-based drilling fluids
    8.
    发明授权
    Use of alkoxylated surfactants and aluminum chlorohydrate to improve brine-based drilling fluids 失效
    使用烷氧基化表面活性剂和水合氯铝来改善基于盐水的钻井液

    公开(公告)号：US06194355B1

    公开(公告)日：2001-02-27

    申请号：US09248310

    申请日：1999-02-09

    申请人： Michael A. Jarrett ,  Harold R. Krause ,  John C. Welch ,  Allen Gabrysch ,  Patricia Potts

    发明人： Michael A. Jarrett ,  Harold R. Krause ,  John C. Welch ,  Allen Gabrysch ,  Patricia Potts

    IPC分类号： C09K702

    CPC分类号： C09K8/04 ,  C09K8/12

    摘要： A drilling fluid having a brine base fluid, aluminum chlorohydrate as a viscosifying agent, an alkoxylated surfactant, and an amphoteric polymer encapsulant has been found to have excellent viscoelasticity and suspension characteristics. Surprisingly, it has been discovered that a synergistic effect is present between the aluminum chlorohydrate and the surfactant such that less of each component is required when both are used together to suspend the same amount of solids, than if one or the other is used separately.

    摘要翻译： 已经发现具有盐水基础流体，水合氯化铝作为增粘剂，烷氧基化表面活性剂和两性聚合物密封剂的钻井液具有优异的粘弹性和悬浮性。 令人惊奇的是，已经发现，在水合氯铝酸盐和表面活性剂之间存在协同效应，因此当两者都共同使用时悬浮相同量的固体物质需要较少的每种组分，这要比单独使用或另外使用一种。