ACID-SOLUBLE CEMENT COMPOSITION
    1.
    发明申请
    ACID-SOLUBLE CEMENT COMPOSITION 审中-公开
    酸溶性水泥组合物

    公开(公告)号:WO2016089379A1

    公开(公告)日:2016-06-09

    申请号:PCT/US2014/068170

    申请日:2014-12-02

    IPC分类号: E21B33/13 C09K8/42

    摘要: A cement composition for use in a well that penetrates a subterranean formation comprising: cement; and water, wherein the water is in a concentration in the range of about 220% to about 800% by weight of the cement, wherein the cement composition is acid soluble. A method of treating a subterranean formation comprising: introducing the cement composition into the subterranean formation; allowing the composition to set; and contacting the set cement composition with an acid.

    摘要翻译: 一种用于穿透地层的井的水泥组合物,包括:水泥; 和水,其中所述水的浓度在所述水泥的约220重量%至约800重量%范围内,其中所述水泥组合物是酸溶性的。 一种处理地下地层的方法,包括:将所述水泥组合物引入所述地层; 允许组合设置; 并使所设定的水泥组合物与酸接触。

    A POZZOLAN FOR USE IN A CEMENT COMPOSITION HAVING A LOW HEAT OF HYDRATION
    2.
    发明申请
    A POZZOLAN FOR USE IN A CEMENT COMPOSITION HAVING A LOW HEAT OF HYDRATION 审中-公开
    用于具有较低水化温度的水泥组合物中的POZZOLAN

    公开(公告)号:WO2014182353A2

    公开(公告)日:2014-11-13

    申请号:PCT/US2014/015376

    申请日:2014-02-07

    摘要: A method of cementing in a subterranean formation comprises: introducing a cement composition into a wellbore penetrating the subterranean formation, wherein at least a portion of the subterranean formation has a temperature less than or equal to the freezing point of an aqueous liquid, and wherein the cement composition comprises: (A) cement; (B) water; and (C) a pozzolan, wherein the cement composition has a heat of hydration of less than 50 BTU per pound; and causing or allowing the cement composition to set in the wellbore after the step of introducing. The pozzolan can have a calcium oxide concentration of less than 15% by weight of the pozzolan, and the pozzolan can have a concentration of at least 15% by weight of the cement. Gas hydrates can be present in or adjacent to a portion of the well.

    摘要翻译: 一种在地层中固井的方法包括:将水泥组合物引入穿透地层的井眼中,其中至少一部分地层的温度低于或等于含水液体的凝固点,并且其中 水泥成分包括:(A)水泥; (B)水; 和(C)火山灰,其中水泥组合物具有小于50BTU /磅的水合热; 并且在引入步骤之后引起或允许水泥组合物固定在井眼中。 火山灰的氧化钙浓度小于火山灰重量的15%,火山灰的浓度可以至少为水泥的15%。 气体水合物可以存在于井的一部分中或邻近井的一部分。

    A CEMENT COMPOSITION CONTAINING A SUBSTITUTED ETHOXYLATED PHENOL SURFACTANT FOR USE IN AN OIL-CONTAMINATED WELL
    3.
    发明申请
    A CEMENT COMPOSITION CONTAINING A SUBSTITUTED ETHOXYLATED PHENOL SURFACTANT FOR USE IN AN OIL-CONTAMINATED WELL 审中-公开
    含有取代的乙氧基苯酚表面活性剂的水泥组合物用于油污井

    公开(公告)号:WO2012013929A1

    公开(公告)日:2012-02-02

    申请号:PCT/GB2011/001128

    申请日:2011-07-27

    摘要: The present invention provides a well treatment composition comprising a surfactant comprising a substituted ethoxylated phenol having at least one substituent, 1 to 14 moles of ethylene oxide, and the substituent being an alkyl, alkene, or alkyne with a carbon chain length in the range of 4 to 25, wherein the substituted ethoxylated phenol is selected from the group consisting of: ortho-, para-, or meta- substituted ethoxylated phenol; cardanol ethoxylate; derivatives thereof; and combinations of any of the foregoing. Preferably, the surfactant comprises cardanol ethoxylate, a substituted cardanol ethoxylate, and derivatives thereof. According to another embodiment, a method of cementing in a subterranean formation comprises: introducing a cement composition into the subterranean formation, wherein the cement composition comprises: (A) cement; (B) water; and (c) the surfactant; and allowing the cement composition to set.

    摘要翻译: 本发明提供了一种井处理组合物,其包含表面活性剂,其包含具有至少一个取代基的取代的乙氧基化苯酚,1至14摩尔环氧乙烷,并且所述取代基是烷基,烯烃或炔烃,其碳链长度在 4至25,其中取代的乙氧基化苯酚选自:邻 - ,对 - 或间 - 取代的乙氧基化苯酚; 腰果酚乙氧基化物; 衍生物 以及任何前述的组合。 优选地,表面活性剂包括乙烯基腰果酚,取代的羟乙基纤维素及其衍生物。 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,其中所述水泥组合物包含:(A)水泥; (B)水; 和(c)表面活性剂; 并允许水泥组合物固化。

    A CALCIUM ALUMINATE CEMENT COMPOSITION CONTAINING A SET RETARDER OF AN ORGANIC ACID AND A POLYMERIC MIXTURE
    6.
    发明申请
    A CALCIUM ALUMINATE CEMENT COMPOSITION CONTAINING A SET RETARDER OF AN ORGANIC ACID AND A POLYMERIC MIXTURE 审中-公开
    含有机酸和聚合物混合物的延迟剂的铝酸钙水合物组合物

    公开(公告)号:WO2013169533A1

    公开(公告)日:2013-11-14

    申请号:PCT/US2013/039008

    申请日:2013-05-01

    摘要: A cement composition for use in an oil or gas well, the cement composition comprises: a calcium aluminate cement; water; an organic acid; and a polymeric mixture comprising: (A) water; (B) citric acid; (C) a first polymer, wherein the first polymer: (i) comprises a cellulose backbone and carboxymethyl functional groups; and (ii) has a molecular weight of less than 100,000; and (D) a second polymer, wherein the second polymer: (i) comprises a lignosulfonate; and (ii) has a molecular weight of less than 100,000, wherein a test composition consisting essentially of: the cement; the water; the organic acid; and the polymeric mixture, and in the same proportions as in the cement composition has a thickening time of at least 5 hours at a temperature of 300°F (148.9°C) and a pressure of 10,000 psi (68.9 MPa).

    摘要翻译: 一种用于油井或气井的水泥组合物,所述水泥组合物包括:铝酸钙水泥; 水; 有机酸; 和聚合物混合物,其包含:(A)水; (B)柠檬酸; (C)第一聚合物,其中所述第一聚合物:(i)包含纤维素骨架和羧甲基官能团; 和(ii)分子量小于100,000; 和(D)第二聚合物,其中所述第二聚合物:(i)包含木质素磺酸盐; 和(ii)分子量小于100,000,其中测试组合物基本上由以下组成:水泥; 水; 有机酸; 并且聚合物混合物以与水泥组合物相同的比例在300°F(148.9℃)的温度和10,000psi(68.9MPa)的压力下具有至少5小时的增稠时间。

    TREATMENT FLUIDS COMPRISING VITRIFIED SHALE AND METHODS OF USING SUCH FLUIDS IN SUBTERRANEAN FORMATIONS
    7.
    发明申请
    TREATMENT FLUIDS COMPRISING VITRIFIED SHALE AND METHODS OF USING SUCH FLUIDS IN SUBTERRANEAN FORMATIONS 审中-公开
    包含维生素的处理液和使用这种流体在亚太地区的方法

    公开(公告)号:WO2012007721A1

    公开(公告)日:2012-01-19

    申请号:PCT/GB2011/001058

    申请日:2011-07-14

    IPC分类号: C09K8/40 C09K8/50 C09K8/42

    CPC分类号: C09K8/40 C09K8/501

    摘要: Methods and compositions for the treatment of subterranean formations, and more specifically, treatment fluids containing vitrified shale and methods of using these treatment fluids in subterranean formations, are provided. A method of displacing a fluid in a wellbore comprises providing a wellbore having a first fluid disposed therein; and placing a second fluid into the wellbore to at least partially displace the first fluid therefrom; wherein the second fluid comprises a base liquid; vitrified shale; a clay weighting agent present in the range of about 5% to about 20% by weight of the second fluid; and a viscosiiying agent present in the range of about 1% to about 10% by weight of the second fluid.

    摘要翻译: 提供了用于处理地下地层的方法和组合物,更具体地说,含有玻璃化页岩的处理流体和在地下地层中使用这些处理流体的方法。 一种置换井眼中的流体的方法包括提供其中布置有第一流体的井眼; 以及将第二流体放置到所述井眼中以使所述第一流体至少部分地位移; 其中所述第二流体包括基础液体; 玻璃化页岩; 粘土增重剂的含量在第二种流体的约5%至约20%的范围内; 和粘度为约1%至约10%(重量)的粘度剂。