发明名称 SELF FILLING CASING
摘要 A method and apparatus for running a casing string into a wellbore. In one embodiment the string includes an impeller at a lower end thereof. As the string is rotated in the wellbore, the rotating impeller urges fluid into the string.
申请公布号 US2016084014(A1) 申请公布日期 2016.03.24
申请号 US201414890597 申请日期 2014.05.15
申请人 WEATHERFORD TECHNOLOGY HOLDINGS, LLC 发明人 MORRISON Jeffrey
分类号 E21B17/00;E21B34/06;E21B33/14;E21B17/10 主分类号 E21B17/00
代理机构 代理人
主权项 1. A wellbore tubular, comprising: a tubular body attachable at a first end to an adjacent tubular member; an impeller disposed in the body, the impeller fixed relative to the body, whereby the impeller rotates as the body rotates.
地址 Houaton TX US