Acid dissolvable cements and methods of using the same
    13.
    发明授权
    Acid dissolvable cements and methods of using the same 失效
    酸溶性水泥及其使用方法

    公开(公告)号:US4335788A

    公开(公告)日:1982-06-22

    申请号:US114856

    申请日:1980-01-24

    Abstract: Cement compositions which upon curing have high compressive strengths and are rapidly dissolved in acids are provided comprised of water, a metal halide or sulfate selected from the group consisting of magnesium, aluminum and zinc halides and sulfates, a metal oxide selected from the group consisting of magnesium, aluminum and zinc oxides and a metal carbonate selected from the group consisting of calcium and barium carbonates. Methods of using the cement compositions are also provided.

    Abstract translation: 固化时具有高抗压强度并快速溶解在酸中的水泥组合物由水,选自镁,铝和卤化锌和硫酸盐的金属卤化物或硫酸盐组成,金属氧化物由选自以下的金属氧化物组成: 镁,铝和锌的氧化物和选自碳酸钙和碳酸钡的金属碳酸盐。 还提供了使用该水泥组合物的方法。

    Process involving breaking of aqueous gel of neutral polysaccharide
polymer
    14.
    发明授权
    Process involving breaking of aqueous gel of neutral polysaccharide polymer 失效
    涉及破坏中性多糖聚合物水凝胶的方法

    公开(公告)号:US4259205A

    公开(公告)日:1981-03-31

    申请号:US966186

    申请日:1978-12-04

    CPC classification number: C09K8/5751 C04B26/14 C08L63/00 C09K8/50 Y10S507/921

    Abstract: Particular aqueous gels, epoxy resin compositions and optional additives such as diluents, retarders and accelerators are described which produce a practical composition and method for in situ sand consolidation and gravel packing by which a resin coated sand is positioned in a desired location and cured by an internal catalyst to form a porous permeable or plugged consolidated mass.

    Abstract translation: 描述了特定的水凝胶,环氧树脂组合物和任选的添加剂,例如稀释剂,缓凝剂和促进剂,其产生用于原位砂固化和砾石填充的实用组合物和方法,通过该实用组合物和方法将树脂涂覆的砂定位在期望的位置并通过 内部催化剂以形成多孔可渗透或堵塞的固结质量。

    Continuously forming and transporting consolidatable resin coated
particulate materials in aqueous gels
    15.
    发明授权
    Continuously forming and transporting consolidatable resin coated particulate materials in aqueous gels 失效
    在水性凝胶中连续成型和运输可固化的树脂涂层颗粒材料

    公开(公告)号:US4942186A

    公开(公告)日:1990-07-17

    申请号:US318105

    申请日:1989-03-02

    CPC classification number: C09K8/5751 C08J3/215 C08L63/00 C09K8/80 C08J2363/00

    Abstract: Methods of continuously forming and suspending consolidatable resin composition coated particulate material in a gelled aqueous carrier liquid and transporting the coated particulate material by way of the gelled aqueous carrier liquid to a zone in which the sand is consolidated. In accordance with the methods, substantially continuous streams of a gelled aqueous carrier liquid, uncoated particulate material, a resin composition which will subsequently harden and a surface active agent are admixed wherby the particulate material is continuously coated with the resin composition and suspended in the gelled aqueous carrier liquid.

    Abstract translation: 将可固化树脂组合物包覆的颗粒材料连续地形成和悬浮在胶凝的含水载体液体中并将涂覆的颗粒材料通过胶凝的含水载体液体输送到砂被固结的区域的方法。 根据这些方法,将粒状材料的凝胶状载体液体,未涂覆的颗粒材料,随后硬化​​的树脂组合物和表面活性剂基本连续地连续流混合,并与树脂组合物连续涂覆并悬浮在胶凝 水性载体液体。

    Rapidly dissolvable silicates and methods of using the same
    16.
    发明授权
    Rapidly dissolvable silicates and methods of using the same 失效
    快速溶解的硅酸盐及其使用方法

    公开(公告)号:US4521136A

    公开(公告)日:1985-06-04

    申请号:US423910

    申请日:1982-09-27

    CPC classification number: C09K8/50 C01B33/325 C04B12/04 C09K8/145 C09K8/42

    Abstract: Rapidly dissolvable powdered silicates having a molar ratio of silicon dioxide to alkali metal oxide in the range of from about 1.5:1 to about 3.3:1 wherein the alkali metal is selected from the group consisting of sodium, potassium and mixtures thereof. Methods of using the powdered silicates and resulting solutions in connection with sealing and cementing, especially of well formations, are provided.

    Abstract translation: 二氧化硅与碱金属氧化物的摩尔比在约1.5:1至约3.3:1范围内的快速溶解的粉末状硅酸盐,其中所述碱金属选自钠,钾及其混合物。 提供了使用粉末状硅酸盐和所得溶液与密封和固井相结合的方法,特别是井结构。

    Method and compositions for dissolving silicates in subterranean
formation
    18.
    发明授权
    Method and compositions for dissolving silicates in subterranean formation 失效
    将硅酸盐溶解在地层中的方法和组合物

    公开(公告)号:US4414118A

    公开(公告)日:1983-11-08

    申请号:US316692

    申请日:1981-10-30

    CPC classification number: C09K8/72 Y10S507/923 Y10S507/934

    Abstract: A method and composition to dissolve siliceous material in a subterranean formation. The composition of the invention is an aqueous acidic solution having a pH no greater than 2 and comprised of at least one mineral acid and a fluoride compound of zirconium, chromium or cobalt. The method is carried out by contacting the siliceous material in the subterranean formation with the above identified composition.

    Abstract translation: 一种在地层中溶解硅质材料的方法和组合物。 本发明的组合物是pH不大于2且由至少一种无机酸和锆,铬或钴的氟化合物组成的酸性水溶液。 该方法通过使地层中的硅质材料与上述鉴定的组合物接触来进行。

    Gelled water epoxy sand consolidation system
    20.
    发明授权
    Gelled water epoxy sand consolidation system 失效
    凝胶水环氧砂固结系统

    公开(公告)号:US4216829A

    公开(公告)日:1980-08-12

    申请号:US966185

    申请日:1978-12-04

    Abstract: Particular aqueous gels, epoxy resin compositions and optional additives such as diluents, retarders and accelerators are described which produce a practical composition and method for in situ sand consolidation and gravel packing by which a resin coated sand is positioned in a desired location and cured by an internal catalyst to form a porous permeable or plugged consolidated mass.

    Abstract translation: 描述了特定的水凝胶,环氧树脂组合物和任选的添加剂,例如稀释剂,缓凝剂和促进剂,其产生用于原位砂固化和砾石填充的实用组合物和方法,通过该实用组合物和方法将树脂涂覆的砂定位在期望的位置并通过 内部催化剂以形成多孔可渗透或堵塞的固结质量。

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