Cooper Energy Ltd. has selected Subsea 7 S.A. for subsea work for the Sole development project in the Gippsland Basin offshore Australia, according to a news release.

The contract scope includes the subsea tieback of the Sole well to the Orbost Gas Plant. This includes the fabrication and installation of 64 km of pipeline, spool and manifold, plus installation of a 64-km umbilical and the commissioning of the system, Subsea 7 said in the release.

The contract is valued at between $50 million and $150 million.

Subsea 7 said it plans to begin project management and engineering immediately from its Perth, Australia, office. Offshore operations are set to begin in 2018. The company added that the material offshore operations are subject to the Sole Development Project final investment decision, which is anticipated soon.