Method and system for the extinction of an underwater well for the extraction of hydrocarbons under uncontrolled fluid discharge conditions
US8136597B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 6, 2009 |
| Grant date | Mar 20, 2012 |
| Priority date | — |
| Expiry date | Apr 6, 2029 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B21/001
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method for the extinction or oil well-killing or killing of an underwater well for the extraction of hydrocarbons under uncontrolled fluid discharge conditions, also called blowout, by assembling, in correspondence with the lower end portion of a string of pipes for the extinction or killing string, a constraint group for rigid connection between a plurality of remote-operated underwater vehicles and the killing string; detecting the position of a flow of fluids and positioning the killing string substantially in correspondence with said flow; lowering a plurality of remote-operated vehicles close to the lower end portion of the killing string; connecting the remote-operated vehicles to the constraint group; detecting in real time the relative position of the flow of fluids with respect to the vehicles and calculating the position of the outlet hole of the flow; on the basis of the calculated position of the outlet hole, coordinately piloting the vehicles so as to bring the lower end of the string in correspondence with the position of the outlet hole of the flow.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.