The rig design is still being finalised but the drillship is likely to be a medium-sized compact unit with displacement of around 50,000 tonnes, according to sources.
Ensco has not committed to any newbuild contract with KeppelFels and is only likely to do so after securing charters for the 8500 series of semi-submersible rigs being built at the Singapore yard, one source close to the development said.
Nonetheless,
