Australia's Cooper Energy Limited reported that Bunian-4, an oil appraisal/development well, was spud in the KSO Tangai-Sukananti Block, South Sumatra, Indonesia at 3:30 pm Indonesian local time, July 25.

At 06:00 this morning, 20 inch surface casing had been run and cemented at 167 feet (51 meters) and preparations were being made to drill ahead in 17.5 inch hole.

Bunian-4 is an onshore directional well with a prognosed total depth of 5,617 feet (1,712 meters) and is forecast to take approximately 26 days to complete, inclusive of production testing. The Bunian structure is a four-way, fault bounded anticline defined by the 2011 Sukananti 3D seismic survey.

Tags: Cooper Energy