Transfield Services has won several new contracts worth $140 million, including work on two major energy projects.

Transfield will provide maintenance at Woodside's offshore oil and gas facilities in Western Australia for three years, under the terms of a contract worth $45 million.

The company has also won the right to build several wells as part of the Queensland Curtis liquefied natural gas project run by QGC, work expected to be worth up to $20 million.

Three other contracts have been signed worth a combined $75 million, for management and construction work with Gippsland Water in Victoria, Mackay regional council in Queensland and an unnamed national transport company.