Oslo-listed OSV and subsea contracting group Subsea 7 has launched another $200m share buyback as the market outlook improves.

The move to repurchase stock over the next two years also reflects the company's "strong financial and liquidity position," it said.

Subsea 7 completed a previous three-year $200m buyback earlier this month,

It announced a net profit of $32m for the fourth quarter, down from $51m in 2017, as costs rose.