The field is located in nearly 1,500 meters (4,900 ft) of water off the central Niger Delta.
The operator of the field is Star Deep Water Limited, an affiliate of Chevron.
Most of the reserves are in lower and middle Miocene deepwater turbiditic sandstones and reserves are estimated at 900 MM barrels with upside to perhaps 1.5 B making it either the biggest or second biggest (to Bonga) deepwater field in Nigeria.
The trap is mainly anticlinal 4-way rollover but internally the doubly plunging anticline is cored by a small reverse fault and upwardly diapiric mobile shale or mud.
[1] The Floating Production unit is the length of three football fields and cost over $US1.2 billion to build.