BC Petroleum – a JV between the Malaysian companies Dialog Group and Petronas, as well as Australia’s Roc Oil – has spudded an appraisal well in the West Acis-2 Block at the Balai Cluster, located off the east coast of Malaysia. It is the fourth well in the pre-development phase for the Balai Cluster risk services contract that covers four fields – West Acis, Spaoh, Balai, and Bentara.