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1. 发明申请

US20130145970A1 CEMENT COMPOSITIONS WITH A HIGH-DENSITY ADDITIVE OF SILICON CARBIDE OR SINTERED BAUXITE 失效
标题翻译：具有高密度添加剂的碳化硅或烧结陶瓷的水泥组合物
公开(公告)号：US20130145970A1
公开(公告)日：2013-06-13
申请号：US13762177
申请日：2013-02-07
申请人： Halliburton Energy Services, Inc.
发明人： Rahul Chandrakant Patil , Sandip Prabhakar Patil , Keith Armstrong
IPC分类号： C04B22/00
CPC分类号： C04B22/00 , C04B28/04 , C04B2103/0028 , C04B2111/00275 , C04B2111/00293 , C09K8/48 , C04B14/303 , C04B14/324 , C04B14/368 , C04B22/0026
摘要： A method of cementing in a subterranean formation comprising the steps of: (A) introducing a cement composition into the subterranean formation, the cement composition comprising: (i) cement; (ii) water; and (iii) a high-density additive selected from the group consisting of silicon carbide, sintered bauxite, and any combination thereof, wherein the cement composition has a density of at least 16 pounds per gallon; and (B) allowing the cement composition to set. According to an embodiment, the high-density additive is in a concentration of at least 30% by weight of the cement. A cement composition for use in an oil or gas well comprises: (A) cement; (B) water; and (C) a high-density additive selected from the group consisting of silicon carbide, sintered bauxite, and a combination thereof, wherein the high-density additive is in a concentration of at least 30% by weight of the cement, and wherein the cement composition has a density of at least 16 pounds per gallon.
摘要翻译：一种在地下地层中固井的方法，包括以下步骤：（A）将水泥组合物引入所述地层，所述水泥组合物包含：（i）水泥; （ii）水; 和（iii）选自碳化硅，烧结铝土矿及其任何组合的高密度添加剂，其中所述水泥组合物具有至少16磅/加仑的密度; 和（B）允许水泥组合物固化。根据一个实施方案，高密度添加剂的浓度为水泥的至少30重量％。用于油井或气井的水泥组合物包括：（A）水泥; （B）水; 和（C）选自碳化硅，烧结铝土矿及其组合的高密度添加剂，其中所述高密度添加剂的浓度为所述水泥的至少30重量％，并且其中水泥组合物的密度至少为每加仑16磅。

2. 发明授权

US08623135B2 Cement compositions with a high-density additive of silicon carbide or sintered bauxite 失效
标题翻译：具有高密度碳化硅添加剂或烧结铝土矿的水泥组合物
公开(公告)号：US08623135B2
公开(公告)日：2014-01-07
申请号：US13762177
申请日：2013-02-07
申请人： Halliburton Energy Services, Inc.
发明人： Rahul Chandrakant Patil , Sandip Prabhakar Patil , Keith Armstrong
IPC分类号： C04B14/32 , C04B14/36 , C04B22/00
CPC分类号： C04B22/00 , C04B28/04 , C04B2103/0028 , C04B2111/00275 , C04B2111/00293 , C09K8/48 , C04B14/303 , C04B14/324 , C04B14/368 , C04B22/0026
摘要： A method of cementing in a subterranean formation comprising the steps of: (A) introducing a cement composition into the subterranean formation, the cement composition comprising: (i) cement; (ii) water; and (iii) a high-density additive selected from the group consisting of silicon carbide, sintered bauxite, and any combination thereof, wherein the cement composition has a density of at least 16 pounds per gallon; and (B) allowing the cement composition to set. According to an embodiment, the high-density additive is in a concentration of at least 30% by weight of the cement. A cement composition for use in an oil or gas well comprises: (A) cement; (B) water; and (C) a high-density additive selected from the group consisting of silicon carbide, sintered bauxite, and a combination thereof, wherein the high-density additive is in a concentration of at least 30% by weight of the cement, and wherein the cement composition has a density of at least 16 pounds per gallon.
摘要翻译：一种在地下地层中固井的方法，包括以下步骤：（A）将水泥组合物引入所述地层，所述水泥组合物包含：（i）水泥; （ii）水; 和（iii）选自碳化硅，烧结铝土矿及其任何组合的高密度添加剂，其中所述水泥组合物具有至少16磅/加仑的密度; 和（B）允许水泥组合物固化。根据一个实施方案，高密度添加剂的浓度为水泥的至少30重量％。用于油井或气井的水泥组合物包括：（A）水泥; （B）水; 和（C）选自碳化硅，烧结铝土矿及其组合的高密度添加剂，其中所述高密度添加剂的浓度为所述水泥的至少30重量％，并且其中水泥组合物的密度至少为每加仑16磅。

3. 发明授权

US10590722B2 Downhole apparatus and method of use 有权
公开(公告)号：US10590722B2
公开(公告)日：2020-03-17
申请号：US14785413
申请日：2013-04-23
申请人： Halliburton Energy Services, Inc.
发明人： Thomas Searight , William Chappel , Keith Armstrong
IPC分类号： E21B23/02 , E21B23/01 , E21B33/129 , E21B23/00 , E21B29/00
摘要： The invention provides a downhole apparatus (100) for positioning a tool or toolstring (10) in a wellbore and a method of use. The apparatus comprises a body (102) configured to be coupled to a tool or toolstring to be positioned in the wellbore. A plurality of support elements (108) is located on the body, the support elements comprising a first retracted position and a second open position. In the open position the support elements define one or more support surfaces. When the apparatus is lowered in a wellbore the one or more support surfaces of the support elements are configured to contact a restriction in the wellbore to support the apparatus in the wellbore and prevent downward movement of the apparatus in the wellbore past the restriction.

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