STENA DRILLING LTD. Patent applications |
Patent application number | Title | Published |
20140209004 | Ice Breaking Drilling Vessel With Stowable Mast - A drilling vessel may function both as an ice breaker and, if needed, as a drilling platform for drilling a relief well. The vessel may be provided with a mast that may be stowed when drilling operations are not being conducted. | 07-31-2014 |
20140190701 | APPARATUS AND METHOD FOR SUBSEA WELL DRILLING AND CONTROL - A subsea assembly suitable for subsea drilling and intervention operations includes a dual blowout preventer system having an upper blowout preventer located between a drill floor and a high pressure riser string, and a lower blowout preventer located below the riser string and above a wellhead. The dual blowout preventer system is adapted to enable advanced drilling and intervention operations such as managed pressure drilling, underbalanced drilling, dual gradient drilling, or through tubing rotary drilling, and slim hole drilling in an offshore deepwater environment. | 07-10-2014 |
20140144646 | Well Safety Equipment - An independently operable disconnect device remotely disconnectable from an LMRP to reveal a riser profile compatible with a capping device connecter. A capping device including a capping device connector to be coupled to said riser profile. The capping device includes at least one blow-out preventer operable to stop the overflow of petroleum products from a well. Thus, a drilling marine riser may be fully disconnected from an LMRP in an emergency. Then the well may be subsequently capped. | 05-29-2014 |