Method for capturing flow discharged from a subsea blowout or oil seep
US9228408B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 5, 2014 |
| Grant date | Jan 5, 2016 |
| Priority date | — |
| Expiry date | Dec 5, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/0122
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method of capturing flow discharged from a subsea blowout or oil seep includes lowering a collector from a mobile offshore drilling unit (MODU) onto a seafloor at a location distant from subsea equipment blowing production fluid. A workstring is connected to the collector and an inert gas is injected through the workstring. The collector is landed onto the subsea equipment while maintaining the injection of inert gas. The inert gas injection is halted and a top of the workstring is routed to surface collection equipment, thereby directing the blowing production fluid from the subsea equipment, into the collector, and through the workstring to the MODU.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.