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Last updated: 01 Apr 2012
Ghana’s Jubilee field, which straddles the Deepwater Tano (Tullow 49.95%) and the West Cape Three Points (Tullow 26.40%) licences, was discovered via the Mahogany-1 and Hyedua-1 exploration wells in 2007.
The two wells were drilled five km apart and intersected a large continuous accumulation of light sweet crude oil in excellent quality stacked reservoir sandstones with net oil pays of 95m and 41m respectively.
Appraisal drilling commenced in 2008 to define the potential of the Greater Jubilee Area. Seven successful exploratory appraisal wells, Mahogany-2, Hyedua-2, Mahogany-3, Mahogany-4, Mahogany Deep-2, Mahogany-5 and Akasa-1 have been drilled to date. Each of these discoveries intersected considerable hydrocarbon columns.
Flow tests on the Mahogany-1 & 2 and Hyedua-2 wells confirmed that the Jubilee field was a highly productive and well connected reservoir. In addition, a water injection test, with rates in excess of 23,000 barrels of water per day, was conducted during the fourth quarter of 2009 demonstrating well communication over a distance of up to six km.
The Jubilee Unit Area (JUA) was established to allow for the accelerated Phase 1 development to commence in 2009 with the area immediately to the southeast, Mahogany and Akasa, awaiting further appraisal/development activity.