Liner drilling bottom hole assembly locator system and method
US9605533B2 · kind B2 · utility
1Cited by
0References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 9, 2014 |
| Grant date | Mar 28, 2017 |
| Priority date | — |
| Expiry date | May 26, 2035 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B7/20
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A system and method for locating a bottom hole assembly during liner drilling. The system and method employ a liner and a drill string. The liner may include a stop sub. The drill string may include a bottom hole assembly position indicator. In one or more embodiments, the bottom hole assembly position indicator is configured to engage the stop sub and arrest further advancement of the drill string.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.