Drilling rigs and erection methods
US8468753B2 · kind B2 · utility
56Cited by
80References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 29, 2008 |
| Grant date | Jun 25, 2013 |
| Priority date | — |
| Expiry date | Jan 22, 2031 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B7/023
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Systems and methods for erecting a drilling rig. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.