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    STABLE ORGANIC-BASED FLUID LOSS ADDITIVE CONTAINING AN ORGANOPHILIC CLAY-BASED SUSPENDING AGENT FOR USE IN A WELL
    49.
    发明申请
    STABLE ORGANIC-BASED FLUID LOSS ADDITIVE CONTAINING AN ORGANOPHILIC CLAY-BASED SUSPENDING AGENT FOR USE IN A WELL 有权
    含有机碱性悬浮剂的稳定有机基润滑剂含有有机粘土基悬浮剂

    公开(公告)号：US20110297377A1

    公开(公告)日：2011-12-08

    申请号：US12795408

    申请日：2010-06-07

    申请人： Abhijit TARAFDAR ,  Remitha AK

    发明人： Abhijit TARAFDAR ,  Remitha AK

    IPC分类号： E21B33/13 ,  C09K8/44

    CPC分类号： C09K8/03 ,  C04B28/02 ,  C04B2103/0035 ,  C04B2103/0036 ,  C04B2103/46 ,  C09K8/467 ,  C09K8/487 ,  C09K8/502 ,  C04B14/10 ,  C04B24/38 ,  C04B24/2641 ,  C04B24/2652 ,  C04B24/2664 ,  C04B24/383 ,  C04B2103/0049 ,  C04B2103/0082

    摘要： According to an embodiment, a well treatment composition comprises: a water-soluble, organic liquid, wherein the organic liquid comprises the continuous phase of the well treatment composition, and wherein the organic liquid comprises a polyglycol or a derivative of polyglycol; a fluid loss additive, wherein the fluid loss additive is insoluble in the organic liquid, and wherein the fluid loss additive comprises a high molecular weight, water-swellable polymer; and a suspending agent, wherein the suspending agent comprises an organophilic clay, wherein the well treatment composition has an activity of at least 15%. According to another embodiment, a method of cementing in a subterranean formation comprises: introducing a cement composition into the subterranean formation, the cement composition comprising: (i) cement; (ii) water; and (iii) the well treatment composition; and allowing the cement composition to set after introduction into the subterranean formation.

    摘要翻译： 根据实施方案，井处理组合物包含：水溶性有机液体，其中所述有机液体包含所述井处理组合物的连续相，并且其中所述有机液体包含聚二醇或聚二醇衍生物; 流体损失添加剂，其中所述流体损失添加剂不溶于所述有机液体，并且其中所述流体损失添加剂包含高分子量的水溶胀性聚合物; 和悬浮剂，其中所述悬浮剂包含有机粘土，其中所述井处理组合物具有至少15％的活性。 根据另一个实施方案，一种在地层中固井的方法包括：将水泥组合物引入所述地层中，所述水泥组合物包含：（i）水泥; （ii）水; 和（iii）井处理组合物; 并且允许水泥组合物在引入地层之后固化。

    Carbonic Acid Derivatives, Method for the Manufacture Thereof and the Use Thereof
    50.
    发明申请
    Carbonic Acid Derivatives, Method for the Manufacture Thereof and the Use Thereof 审中-公开
    碳酸衍生物，其制造方法及其用途

    公开(公告)号：US20080319217A1

    公开(公告)日：2008-12-25

    申请号：US12091882

    申请日：2006-10-25

    申请人： Stefan Ingrisch ,  Gerhard Albrecht ,  Stefan Thaler ,  Mathias Bauer

    发明人： Stefan Ingrisch ,  Gerhard Albrecht ,  Stefan Thaler ,  Mathias Bauer

    IPC分类号： C07C69/96

    CPC分类号： C04B24/2664 ,  C04B24/2652 ,  C04B24/2658 ,  C04B24/267 ,  C04B24/281 ,  C04B24/32 ,  C04B24/42 ,  C04B2103/0061 ,  C04B2111/21 ,  C04B2111/27

    摘要： The invention relates to carboxylic acid derivatives which are obtained by reacting an unsaturated dicarboxylic acid anhydride (A) with a hydrophobic reactive component (B) that contains at least one group reacting to carboxylic acid anhydrides and has an average molecular weight of 200 to 50,000 Dalton. The inventive carboxylic acid derivatives are excellent as a substance for preventing efflorescences on surfaces of hardened cementitious construction materials and/or hydrophobizing the corresponding cementitious systems. Furthermore, said cementitious products absorb considerably smaller amounts of water as a result of the inventive additives such that frost damage and premature rusting of the reinforcing steel can be significantly reduced.

    摘要翻译： 本发明涉及通过使不饱和二羧酸酐（A）与含有至少一个与羧酸酐反应的基团的疏水性反应性成分（B）使平均分子量为200〜500道尔顿 。 本发明的羧酸衍生物作为防止硬化水泥质构造材料的表面上的风化和/或疏水化相应的水泥体系的物质是优异的。 此外，由于本发明的添加剂，所述水泥制品吸收的水量相当少，从而可以显着降低加固钢的霜冻损伤和过早生锈。