| Patent application number | Description | Published |
|---|
| 20090038807 | Lubricator System - A lubricator system for receiving the intervention tool string is described. The system includes a tubular body defining a tubular bore, and the tubular bore having a wall portion defining an aperture with a tool guide disposed in said aperture. A first sleeve surrounds the tubular body and is moveable between a first position where said aperture is covered by the first sleeve and a second position where said aperture is uncovered whereby access is provided to said tubular bore via said aperture. The system also includes a seal to allow the lubricator system to withstand operating pressures when the first sleeve is in the first position. Embodiments of the invention are described. | 02-12-2009 |
| 20090045368 | Axially Energisable Ball Valve - A ball valve ( | 02-19-2009 |
| 20090050332 | Ball valve - A bearing mounted ball valve ( | 02-26-2009 |
| 20090050828 | Blow out preventers - A blow out preventer ( | 02-26-2009 |
| 20100071913 | WELL BORE CONTROL VALVE - The well bore control valve comprises a housing ( | 03-25-2010 |
| 20110127041 | RISER WEAK LINK - A riser weak link ( | 06-02-2011 |
| 20110198527 | AXIALLY ENERGISABLE BALL VALVE - A ball valve ( | 08-18-2011 |
