Subsea lateral drilling
US8011435B2 · kind B2 · utility
5Cited by
14References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2008 |
| Grant date | Sep 6, 2011 |
| Priority date | — |
| Expiry date | Mar 9, 2029 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B23/001
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method for drilling a borehole in a producing subsea wellbore wherein a flexible conduit is connected at one end to a surface vessel and at the other end via a pressurized subsea wellhead to the producing wellbore such that a remotely operated electrical drilling device (RODD) can be deployed down the flexible conduit, the method comprising:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.