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Friday, July 1, 2016
The partners on Ghana’s TEN development, Tullow Oil, Kosmos Energy, and Anadarko Petroleum, are just weeks away from adding to their production flows out of the West African country. According to the operator of the project, Tullow Oil, the development is over 96% complete and should deliver first oil within three to six weeks.
Tullow said that the hook-up and commissioning of the FPSO, connecting the pre-drilled wells to the vessel via the extensive subsea infrastructure, is nearing completion. During July, the integrated start-up sequence is expected to be initiated with water injection to the Enyenra reservoir being followed by oil production. This sequence will then be repeated for the Ntomme reservoir.
A gradual ramp-up in oil production towards the FPSO’s capacity of 80,000 bpd is anticipated around the end of 2016 as the facilities complete performance testing and wells are brought up to optimum rates. Tullow estimates that TEN average annualized production in 2016 will be around 23,000 bpd gross.
Drilling is not expected to recommence on the TEN field until after the resolution of the Côte d’Ivoire and Ghana border dispute through the ITLOS tribunal whose decision is expected in late 2017.
The associated gas produced at TEN will be re-injected into the Ntomme reservoir gas cap until gas export begins. Gas export was planned to start 12 months after field start-up, with the Tweneboa gas reservoir coming onstream a further 12 months later. However, options to accelerate gas export are currently being evaluated as the fabrication of the gas export facilities is ahead of schedule and is expected to be complete in late 2016, some six months early.
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