Triangle Energy about to begin CH-6 Workover activities at Cliff Head operations in Perth Basin The company has completed studies that indicate reconfiguration of the injection zone of CH-11WI can contribute to increased oil recovery and further enhance daily oil production. Triangle Energy is an ASX-listed oil producer and explorer based in Perth, Western Australia. Triangle Energy (Global) Ltd (ASX:TEG) (FRA:WMOA) is ready to begin activities on the CH-6 Workover and CH-11WI Slickline Intervention campaigns at the Cliff Head operations in the Perth Basin of Western Australia. Over the coming month, the company will undertake the two campaigns with the aim to increase production at Cliff Head.