Gas minimization in riser for well control event
US7578350B2 · kind B2 · utility
8Cited by
11References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 2006 |
| Grant date | Aug 25, 2009 |
| Priority date | — |
| Expiry date | Nov 29, 2026 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/064
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A system for controlling gas in a subsea drilling operation is disclosed in one embodiment. The system includes a subsea blow-out preventer, riser coupled to the blow-out preventer, a gas sensor, a controller, and a signal pathway. The gas sensor is configured for placement below the riser and configured to contact wellbore fluids during normal drilling operation. The controller configured to automatically cause manipulation the blow-out preventer based upon information from the gas sensor. The signal pathway couples the gas sensor with the controller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.