Farstad Shipping has announced that Woodside Petroleum has extended the charter of its platform supply vessel (PSV) Lady Grace for a year.

Woodside also placed a contract for the PSV Far Spirit and extended the charter for the anchor handling tug and supply ship Far Stream for 12 months and the Far Strait for four months.

The company won another charter contract from a unit of Apache for the Far Strider to operate in the North Sea for 18 months starting May.

Woodside estimates the contract at Nkr600m ($101.6m).