Subsea template leveling wafer and leveling method
US4830542A · kind A · utility
3Cited by
7References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 1983 |
| Grant date | May 16, 1989 |
| Priority date | — |
| Expiry date | Nov 29, 2003 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/017
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A leveling wafer for a subsea hydrocarbon production platform having two wedge portions which can be rotated in relation to each other to vary the degree of taper. The wafer supports a machinery supporting template having a wedge shaped key projecting downwardly therefrom to engage an opening in the top of the wafer to ensure rotational (azimuth) orientation of the template.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.