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 |