The company is due to start drilling later this month with the newbuild 400-foot water depth jack-up Hercules Triumph, which has been hired for 110 days at a dayrate of between $214,000 and $216,000.

Cairn India has been preparing the market all year for a new round of offshore exploration drilling. The starting point will be a “high-value, high-risk” late Oligocene prospect at the company’s producing Ravva oilfield off the east coast.

Richard