ROC's global portfolio covers approximately 86,000 sq km, of which some 42,000 sq km are net to ROC. The Company's assets are grouped into four main geographic regions: Australasia, SE Asia, China and the UK, predominantly focused on China, South East Asia and Australasia. Australian and Chinese assets provide around 75% of production and 85% of 2P Reserves.
In 2011, ROC divested its non-core African asset portfolio, retaining only a 20% interest in Block H, offshore Equatorial Guinea. ROC is pursuing the divestment of its UK assets.
ROC is operator of the following production assets:
- the Cliff Head Oil Field, offshore Perth Basin, Western Australia; and
- the Zhao Dong C&D Oil Fields and C4 Oil Field, Bohai Bay, offshore China.
ROC is also the operator of the following development, appraisal and exploration assets:
- the Balai Cluster SFRSC (through a 48% interest in BC Petroleum);
- PEP52181, offshore Taranaki, New Zealand;
- Beibu Gulf, China, exploration activity.

Explore some of our key assets