Multi-activity offshore exploration and/or development drill method and apparatus
US6085851A · kind A · utility
56Cited by
30References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 3, 1996 |
| Grant date | Jul 11, 2000 |
| Priority date | — |
| Expiry date | May 3, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63B2003/147
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A multi-activity driliship, or the like, method and apparatus having a single derrick and multiple tubular activity stations within the derrick wherein primary drilling activity may be conducted from the derrick and simultaneously auxiliary drilling activity may be conducted from the same derrick to reduce the length of the primary drilling activity critical path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.