By OGJ editors
HOUSTON, Oct. 15 -- Neptune Marine Oil & Gas, a subsidiary of Jasper Investments Ltd., completed a $340 million upgrade of its deepwater drillship, the Neptune Explorer.
Sembawang Shipyard in Singapore did the work. Sembawang Shipyard is a subsidiary of Sembcorp Marine Ltd.
After almost 36 months of upgrading and conversion, the Neptune Explorer now is a dynamically positioned deepwater drilling rig with a variable deckload of 7,220 tonnes.
It is equipped to work in 5,000 ft of water.
