发明名称 Tools and methods for use in completion of a wellbore
摘要 A ported tubular is provided for use in casing a wellbore, to permit selective access to the adjacent formation during completion operations. A system and method for completing a wellbore using the ported tubular are also provided. Ports within the wellbore casing may be opened, isolated, or otherwise accessed to deliver treatment to the formation through the ports.
申请公布号 US8794331(B2) 申请公布日期 2014.08.05
申请号 US201113100796 申请日期 2011.05.04
申请人 NCS Oilfield Services Canada, Inc. 发明人 Getzlaf Donald;Stromquist Marty;Nipper Robert;Willems Timothy H.
分类号 E21B34/14;E21B43/00;E21B23/02;E21B17/00;E21B47/06;E21B43/25;E21B43/14;E21B33/12 主分类号 E21B34/14
代理机构 Wong, Cabello, Lutsch, Rutherford & Brucculeri, L.L.P. 代理人 Wong, Cabello, Lutsch, Rutherford & Brucculeri, L.L.P.
主权项 1. A ported tubular for installation within a wellbore to provide selective access to the adjacent formation, the ported tubular comprising: a tubular housing comprising one or more lateral fluid flow ports, the housing adapted for installation within a wellbore; a port closure sleeve disposed against the tubular housing and slidable with respect to the housing, the port closure sleeve shiftable between a first, upper position relative to the housing and a second, lower position relative to the housing to open and close the ports, wherein the port closure sleeve consists essentially of a tubular having a first end surface, an opposing second end surface, and a cylindrical wall extending from the first end surface to the second end surface, the cylindrical wall having a single, invariant, inside diameter; and a location profile configured to position a shifting tool within the housing with respect to the port closure sleeve, wherein the location profile is collapsed when the sleeve is shifted to the second, lower position to open the ports.
地址 Calgary, Alberta CA