Subsea wellhead connections
US5320175A · kind A · utility
30Cited by
14References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 29, 1993 |
| Grant date | Jun 14, 1994 |
| Priority date | — |
| Expiry date | Jan 29, 2013 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/0387
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A diverless and guidelineless method to connect two subsea flowlines by a jumper assembly is provided. Pivotable stabs and fluid connection means are provided on each end of the jumper assembly. The stabs mate into receptacles located on the subsea flowline connections. The flowline is preferably lowered vertically and hinged over while sequentially landing the two pivotable stabs into their respective stab receptacles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.