发明名称 |
Methods and apparatus for navigating a tool downhole |
摘要 |
Methods and apparatus for navigating a subterranean tool comprising a body member and a head member steerably associated with the body member. A determining unit is configured to determine a transversal target position of a nose of the head member relative to the body member and a steering unit is configured to steer the head member relative to the body member so that the nose of the head member is located at the transversal target position.
|
申请公布号 |
US7757782(B2) |
申请公布日期 |
2010.07.20 |
申请号 |
US20060608238 |
申请日期 |
2006.12.07 |
申请人 |
SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
TASHIRO HITOSHI;ODASHIMA RYUKI;BAE JOONHYUNG;TAHOUN AHMED |
分类号 |
E21B25/16;E21B7/04 |
主分类号 |
E21B25/16 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|