President Mahama is about commissioning the new John Evans Atta Mills FPSO.
These pictures show the president together with his entourage smartly dressed in protective clothing as they make their way towards the plant.
The field is expected to produce over 23,000 barrels of oil per day (bopd) on average till close of the year.
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According to lead managers of the project, Tullow Oil Ghana Limited, the figure is expected to ramp up as more wells are brought on board the production in the coming weeks.
At full capacity, the field is expected to produce 80,000 barrels of oil per day.