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51.发明授权Extended cement compositions comprising oil-swellable particles and associated methods 有权包括油溶胀性颗粒和相关方法的膨胀水泥组合物公开(公告)号：US07617870B1
公开(公告)日：2009-11-17
申请号：US12152327
申请日：2008-05-14
IPC分类号： E21B33/13
CPC分类号： C09K8/467 , C04B28/02 , C04B2111/00146 , C04B24/2611 , C04B24/2676 , C04B2103/12 , C04B2103/22
摘要： A variety of methods and compositions are disclosed herein, including, in one embodiment, a method of cementing in a subterranean formation comprising: providing an extended cement composition comprising cement, water, an oil-swellable particle, and a set retarding additive, wherein the extended cement composition is capable of remaining in a pumpable fluid state for at least about 1 day; adding a cement set accelerator to the extended cement composition; introducing the extended cement composition into a well bore; and allowing the extended cement composition to set. Another embodiment comprises an extended cement composition comprising: cement; water; an oil-swellable particle; and a set retarding additive, wherein the extended cement composition is capable of remaining in a pumpable fluid state for at least about 1 day.
摘要翻译： 本文公开了各种方法和组合物，在一个实施方案中，包括在地下地层中固井的方法，包括：提供包含水泥，水，油溶胀性颗粒和凝固阻滞添加剂的延长水泥组合物，其中 延长的水泥组合物能够保持在可泵送流体状态至少约1天; 向延长的水泥组合物中加入水泥固化促进剂; 将延长的水泥组合物引入井眼; 并允许扩展的水泥组合物固化。 另一个实施方案包括延长的水泥组合物，其包含：水泥; 水; 油溶胀性颗粒; 和一种阻燃添加剂，其中所述延长的水泥组合物能够保持在可泵送流体状态至少约1天。
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52.发明申请公开(公告)号：US20090200029A1
公开(公告)日：2009-08-13
申请号：US12420630
申请日：2009-04-08
CPC分类号： C04B28/04 , C04B28/02 , C04B28/021 , C04B28/184 , C09K8/467 , C09K8/473 , Y02W30/92 , Y02W30/94 , Y02W30/95 , C04B14/047 , C04B14/06 , C04B14/08 , C04B14/10 , C04B14/106 , C04B14/108 , C04B14/14 , C04B18/08 , C04B18/101 , C04B18/141 , C04B18/146 , C04B18/162 , C04B20/0048 , C04B22/064 , C04B24/2611 , C04B38/08 , C04B38/10 , C04B7/02 , C04B14/18 , C04B14/16 , C04B20/002 , C04B24/24 , C04B38/02 , C04B2103/12 , C04B2103/22 , C04B2103/50
摘要： An embodiment of a method of cementing comprises: introducing a cement composition into a subterranean formation, wherein the cement composition comprises cement kiln dust, a natural pozzolan, and water; and allowing the cement composition to set. Another embodiment of a method comprises: introducing a cement composition into a subterranean formation, wherein the cement composition comprises a cement, a natural pozzolan, and water, wherein the cement comprises Portland cement interground with burned shale; and allowing the cement composition to set. Another embodiment includes a cement composition comprising at least one additive selected from the group consisting of cement, cement kiln dust, Portland cement interground with burned shale, and a combination thereof; a natural pozzolan; and water.
摘要翻译： 固井方法的一个实施例包括：将水泥组合物引入地层，其中所述水泥组合物包括水泥窑灰，天然火山灰和水; 并允许水泥组合物固化。 方法的另一个实施方案包括：将水泥组合物引入地层，其中所述水泥组合物包括水泥，天然火山灰和水，其中所述水泥包括与烧结页岩相互接触的波特兰水泥; 并允许水泥组合物固化。 另一个实施方案包括一种水泥组合物，其包含至少一种选自水泥，水泥窑灰，与烧结页岩的波特兰水泥相互接触的添加剂及其组合的添加剂; 天然火山灰; 和水。
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53.发明授权Method of using humic acid grafted fluid loss control additives in cementing operations 有权在固井作业中使用腐殖酸接枝失水控制添加剂的方法公开(公告)号：US07523784B2
公开(公告)日：2009-04-28
申请号：US11652215
申请日：2007-01-11
申请人： Sam Lewis , Jiten Chatterji , Bobby King , D. Chad Brenneis
发明人： Sam Lewis , Jiten Chatterji , Bobby King , D. Chad Brenneis
IPC分类号： E21B33/13
CPC分类号： C04B28/02 , C04B24/2623 , C04B24/2652 , C04B24/2688 , C04B24/32 , C04B2103/0059 , C04B2103/46 , C09K8/487 , C04B22/0026 , C04B24/163
摘要： Exemplary embodiments of the cement compositions comprise water, a cement, and a fluid loss control additive, the fluid loss control additive comprising a graft copolymer. The graft copolymer comprises a backbone and at least four grafted monomers selected from the group consisting of 2-acrylamido-2-methylpropanesulfonic acid, acrylamide, acrylic acid, vinylphosphonic acid, diallyldimethylammonium chloride, and salts thereof. The backbone of the graft copolymer comprises a humic acid salt. Methods of cementing using exemplary embodiments of the cement compositions are also provided.
摘要翻译： 水泥组合物的示例性实施方案包括水，水泥和流体损失控制添加剂，所述流体损失控制添加剂包含接枝共聚物。 接枝共聚物包括主链和至少四种选自2-丙烯酰胺基-2-甲基丙磺酸，丙烯酰胺，丙烯酸，乙烯基膦酸，二烯丙基二甲基氯化铵及其盐的接枝单体。 接枝共聚物的骨架包括腐殖酸盐。 还提供了使用水泥组合物的示例性实施方案的固井方法。
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54.发明授权公开(公告)号：US07381263B2
公开(公告)日：2008-06-03
申请号：US11256824
申请日：2005-10-24
IPC分类号： C04B7/32
CPC分类号： C04B28/06 , C09K8/467 , Y02W30/92 , Y02W30/94 , Y02W30/95 , C04B7/02 , C04B14/06 , C04B14/10 , C04B14/106 , C04B14/108 , C04B18/08 , C04B18/146 , C04B18/16 , C04B20/0048 , C04B20/002 , C04B22/0026 , C04B22/064 , C04B22/16 , C04B24/26 , C04B38/10 , C04B2103/10 , C04B2103/22 , C04B2103/40 , C04B2103/408 , C04B2103/44
摘要： The present invention provides cement compositions that comprise water, high alumina cement, a soluble phosphate, and cement kiln dust. The cement compositions optionally may be foamed with a gas. Methods of cementing also are provided that comprise: providing the cement composition; introducing the cement composition into a location to be cemented; and allowing the cement composition to set therein. The location to be cemented may be above ground or in a subterranean formation.
摘要翻译： 本发明提供了包含水，高铝水泥，可溶性磷酸盐和水泥窑灰的水泥组合物。 水泥组合物任选地可以用气体发泡。 提供了固井方法，其包括：提供水泥组合物; 将水泥组合物引入待固化的位置; 并且允许将水泥组合物放置在其中。 待固结的位置可以在地下或地下地层中。
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公开(公告)号：US07255170B2
公开(公告)日：2007-08-14
申请号：US11132803
申请日：2005-05-19
IPC分类号： E21B33/13 , E21B33/138
CPC分类号： C09K8/473 , C04B24/123 , C04B24/16 , C04B24/32 , C04B28/02 , C04B40/0039 , C04B2111/00017 , C04B22/124 , C04B2103/40 , C04B2103/42 , C04B2103/48 , C04B24/12 , C04B14/06 , C04B22/002 , C04B24/121 , C04B38/103 , C04B38/10
摘要： Exemplary embodiments relate to cementing operations and, more particularly, to foamed cement compositions, foaming and stabilizing additives, and associated methods. A foaming and stabilizing additive, that comprises a mixture of an alkali salt of an alkyl ether sulfate surfactant, wherein the alkali salt of the alkyl ether sulfate surfactant comprises a mixture of an alkali salt of a C6-10 alkyl ether sulfate surfactant, and an alkali salt of a C2-4 alkyl ether sulfate surfactant, an alkyl or alkene amidopropyl betaine surfactant, an alkyl or alkene amidopropyl dimethylamine oxide surfactant, sodium chloride, and water, is provided. Also provided are foamed cement compositions that comprise the foaming and stabilizing additive, and associated methods.
摘要翻译： 示例性实施方案涉及固井操作，更具体地涉及发泡水泥组合物，发泡和稳定添加剂以及相关方法。 一种发泡稳定添加剂，其包含烷基醚硫酸盐表面活性剂的碱金属盐的混合物，其中烷基醚硫酸盐表面活性剂的碱金属盐包括C 6〜10的碱金属盐的混合物 烷基醚硫酸盐表面活性剂和C 2-4烷基醚硫酸盐表面活性剂的碱金属盐，烷基或烯烃酰氨基丙基甜菜碱表面活性剂，烷基或烯烃酰氨基丙基二甲基氧化胺表面活性剂，氯化钠和水 ，被提供。 还提供了包含发泡和稳定添加剂的发泡水泥组合物以及相关方法。
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56.发明授权公开(公告)号：US07174961B2
公开(公告)日：2007-02-13
申请号：US11089609
申请日：2005-03-25
IPC分类号： E21B33/138 , E21B33/14
CPC分类号： C04B28/02 , C04B28/06 , C04B28/08 , C04B28/14 , C09K8/467 , C04B14/4668 , C04B22/0026 , C04B38/10
摘要： Methods of using cement compositions that comprise basalt fibers in subterranean formations are provided. An example of such a method may comprise providing a cement composition that comprises water, a hydraulic cement, and a plurality of basalt fibers; introducing the cement composition into a subterranean formation; allowing the cement composition to set therein. Also provided are methods of cementing a pipe string in a well bore and methods of enhancing the compressive strength of a cement composition.
摘要翻译： 提供了在地下地层中使用包含玄武岩纤维的水泥组合物的方法。 这种方法的实例可以包括提供包含水，水硬性水泥和多种玄武岩纤维的水泥组合物; 将水泥组合物引入地层; 允许水泥组合物置于其中。 还提供了将管柱固定在井眼中的方法以及提高水泥组合物的抗压强度的方法。
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公开(公告)号：US07013975B2
公开(公告)日：2006-03-21
申请号：US10899325
申请日：2004-07-26
IPC分类号： E21B33/13 , E21B33/138
CPC分类号： C09K8/473 , C04B24/123 , C04B24/16 , C04B24/32 , C04B28/02 , C04B40/0039 , C04B2111/00017 , C04B22/124 , C04B2103/40 , C04B2103/42 , C04B2103/48 , C04B24/12 , C04B14/06 , C04B22/002 , C04B24/121 , C04B38/103 , C04B38/10
摘要： The present invention relates to foamed cement slurries, additives and methods. A foamed cement slurry of the invention comprises a hydraulic cement, sufficient water to form a slurry, sufficient gas to form a foam and an environmentally benign foaming and stabilizing additive comprising a mixture of an ammonium salt of an alkyl ether sulfate surfactant, a cocoamidopropyl betaine surfactant, a cocoamidopropyl dimethylamine oxide surfactant, sodium chloride and water.
摘要翻译： 本发明涉及泡沫水泥浆，添加剂和方法。 本发明的泡沫水泥浆包括水硬性水泥，足够的水以形成浆料，足够的气体以形成泡沫，以及环境友好的发泡和稳定添加剂，其包括烷基醚硫酸盐表面活性剂的铵盐，椰油酰胺丙基甜菜碱 表面活性剂，椰油酰胺丙基二甲胺氧化物表面活性剂，氯化钠和水。
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公开(公告)号：US06843846B2
公开(公告)日：2005-01-18
申请号：US10702960
申请日：2003-11-06
CPC分类号： C09K8/46 , C04B24/163 , C04B24/2647 , C04B24/2688 , C04B28/02 , C04B2103/408 , C04B2103/46 , C04B24/383 , C04B24/2652
摘要： Methods and compositions for cementing subterranean zones penetrated by well bores are provided. The methods are basically comprised of the steps of providing a cement composition which comprises a hydraulic cement, sufficient water to form a slurry and a dispersing agent comprising a tetrapolymer formed of methacrylic acid, methacrylate, methallyl sulfonic acid and ethoxylated acrylic acid. The cement composition is placed in the subterranean zone to be cemented and allowed to set into an impermeable solid mass therein.
摘要翻译： 提供了用井眼渗透的固井地下区域的方法和组合物。 所述方法基本上包括提供包含水硬性水泥，足够的水以形成浆料的水泥组合物和包含由甲基丙烯酸，甲基丙烯酸酯，甲代烯丙基磺酸和乙氧基化丙烯酸形成的四元共聚物的分散剂的步骤。 将水泥组合物放置在地下区域中以胶结并使其在其中设置为不可渗透的固体物质。
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公开(公告)号：US06645292B1
公开(公告)日：2003-11-11
申请号：US10434570
申请日：2003-05-09
IPC分类号： C04B2424
摘要： Methods and compositions for cementing subterranean zones penetrated by well bores are provided. The methods are basically comprised of the steps of providing a cement composition which comprises a hydraulic cement, sufficient water to form a slurry and a dispersing agent comprising a tetrapolymer formed of methacrylic acid, methacrylate, methallyl sulfonic acid and ethoxylated acrylic acid. The cement composition is placed in the subterranean zone to be cemented and allowed to set into an impermeable solid mass therein.
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60.发明授权Acid-soluble cement compositions comprising cement kiln dust and methods of use 有权包含水泥窑粉尘和使用方法的酸溶性水泥组合物公开(公告)号：US08950486B2
公开(公告)日：2015-02-10
申请号：US13595493
申请日：2012-08-27
IPC分类号： E21B33/13 , C09K8/46 , C04B28/02 , C04B28/32 , C09K8/467 , C09K8/473 , C04B40/00 , C04B111/10
CPC分类号： C09K8/46 , C04B28/02 , C04B28/021 , C04B28/32 , C04B40/0092 , C04B2111/1037 , C09K8/467 , C09K8/473 , Y02W30/92 , Y02W30/94 , Y02W30/95 , C04B14/047 , C04B14/062 , C04B14/106 , C04B14/108 , C04B14/16 , C04B18/08 , C04B18/101 , C04B18/141 , C04B18/146 , C04B20/002 , C04B20/0048 , C04B22/064 , C04B24/26 , C04B38/02 , C04B38/10 , C04B2103/0049 , C04B2103/12 , C04B2103/22 , C04B2103/408 , C04B2103/46 , C04B2103/50 , C04B14/14 , C04B18/162 , C04B22/0026
摘要： The present invention relates to acid-soluble cement compositions that comprise cement kiln dust (“CKD”) and associated methods of use. An embodiment provides a method of cementing comprising: providing an acid-soluble cement composition comprising a kiln dust and water; allowing the acid-soluble cement composition to set to form an acid-soluble hardened mass; and contacting the acid-soluble hardened mass with an acid.
摘要翻译： 本发明涉及包含水泥窑灰（“CKD”）和相关使用方法的酸溶性水泥组合物。 实施例提供一种固井方法，其包括：提供包含窑灰和水的酸溶性水泥组合物; 允许酸溶性水泥组合物凝固形成酸溶性固化物质; 并将酸溶性硬化物质与酸接触。
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