APC owns 4 reverse circulation exploratory rigs and this facilitates drilling up-to 200m. Compressors of 1200 cfm/320 psi and 1300 cfm/350 psi are used for the process.

Reverse Circulation Drilling is typically done to explore and collect samples of minerals and ores for its gratifying speed, cost effectiveness, and efficiency irrespective of ground formations. APC has completed 106581 meters of drilling in RC.