TEN is a producing conventional oil field located in ultra-deepwater in Ghana and is operated by Tullow Ghana. The field is located in block Deepwater Tano and Ten Development Area, with water depth of 6,157 feet.

Field participation details

The field is owned by Tullow Oil, Kosmos Energy, Ghana National Petroleum and CEF (SOC).

Production from TEN

The TEN conventional oil field recovered 48.96% of its total recoverable reserves, with peak production in 2018. The peak production was approximately 64.5 thousand bpd of crude oil and condensate and 23 Mmcfd of natural gas. Based on economic assumptions, production will continue until the field reaches its economic limit in 2037. The field currently accounts for approximately 17% of the country’s daily output.

Remaining recoverable reserves

The field is expected to recover 107.46 Mmboe, comprised of 99.41 Mmbbl of crude oil & condensate and 48.29 bcf of natural gas reserves. TEN conventional oil field reserves accounts 0.02% of total remaining reserves of producing conventional oil fields globally.


Information on the field is sourced from GlobalData’s fields database that provides detailed information on all producing, announced and planned oil and gas fields globally. Not all companies mentioned in the article may be currently existing due to their merger or acquisition or business closure.