Cobalt’s comments came as the company said the latest Anchor-4 appraisal well hit some 800 feet of net pay.

“We believe up to a third of that resource base sits on our 100% blocks, so we’re going to work in a positive way with the operator... to see how we can get that unitised,” Cobalt chief executive Tim Cutt said.

Cobalt has a 20% interest in the blocks that comprise Chevron’s main Anchor prospect, as well as 100% share of two blocks immediately southward.

Chevron