OSLO, Norway – Statoil has permission from the Norwegian Petroleum Safety Authority (PSA) to drill well 31/2-S-24 AY1H at the Troll field in the North Sea.
This is an extended consent for use of the controlled mud level method, otherwise known as dual gradient drilling.
The semisubmersibleSonga Equinoxshould start drilling late this month, with the program set to continue for up to 75 days.
PSA has sanctioned three other proposals in the Norwegian offshore sector. One involves use of the jackupRowan Stavanger for permanent plugging of wells on Repsol Norge’s Varg field in production license 038 in the southern Norwegian North Sea.
The program should be under way, and will take around 208 days to complete.
Statoil has PSA’s approval to remove the dedicated emergency response vessel at theNorne oil and gas field in the Norwegian Sea, which produces through an FPSO connected to seven well templates.
Emergency response for offshore fields in the Halten Nordland area is now covered by two vessels.
In addition, PSA has authorized use of an FSO (a converted shuttle tanker) onStatoil’s Gina Krog oil and gas field 30 km (18.6 mi) northwest of the Sleipner A platform in the North Sea.
Teekay owns and operates the FSO.