Under the contract, Amec Foster Wheeler will provide front-end engineering design for the project, which is located 70km south of the Port of Duqum on the Wusta Coast.
The project includes the phased development of a terminal designed to hold around 200 million barrels of crude oil.
The first phase, which is planned to be on stream by the end of 2018, will hold about 25 million barrels of oil.
OTTCO is a joint venture between Oman Oil Company and its downstream investment subsidiary, Takamul Investment Company.
Amec Foster Wheeler Group president for Asia, Middle East, Africa & Southern Europe Roberto Penno said: "We have an excellent and long-standing reputation in Oman and are already working on other key investments in the country. We are delighted to be part of this strategic project."
Amec Foster Wheeler provides life-cycle services to offshore and onshore oil and gas conventional and unconventional, upstream, midstream and downstream for greenfield, brownfield and asset support projects.
