Emergency disconnect system for riserless subsea well intervention system
US8857520B2 · kind B2 · utility
9Cited by
37References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 27, 2011 |
| Grant date | Oct 14, 2014 |
| Priority date | — |
| Expiry date | Dec 27, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/038
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method for riserless intervention of a subsea well includes: lowering a pressure control assembly (PCA) from a vessel to a subsea production tree; fastening the PCA to the tree; lowering a control pod from the vessel to the PCA using an umbilical; fastening the control pod to the PCA; lowering an end of a fluid conduit from the vessel to the PCA; and fastening the fluid conduit to the PCA using a dry break connection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.