Aker will provide well intervention services on the Ula, Valhall and the imminent Skarv development.
The company has estimated the contract will generate a revenue of NKr35m to NKr40m ($6m to $6.8m) a year.
The initial period of the agreement will be three years with two extra one-year options, Aker said.
According to the contract, the company will supply wireline tractor, mechanical wireline and production logging services to sustain and raise gas and oil output.
The new contract also covers the Skarv field, Norway’s biggest ongoing field development project due to come on-stream in 2011.