Rig: Aban Abraham

Name Aban Abraham
Owner Aban Abraham Pte. Ltd.
Manager Aban Offshore Ltd.
Rig Type Drillship
Sub Type Deepwater Floater
Jackup Type --
Max Water Depth (ft) 6600
Max Drill Depth (ft) 25000
Dimensions (ft) 499 x 77 x 40
Leg Length (ft) --
Competitive Yes

Current Location

Country Sri Lanka
Region South Asia

Drilling Equipment

Drawworks Type National Oilwell Varco 1625 DE
Drawworks HP 3000
Mud Pumps Type National Oilwell Varco 12-P-160 Triplex
Top Drive Canrig Drilling Technology 1275 AC
Hookload Capacity (lbs) 1330000

Rig Construction Details

Rig Design Gusto MSC
Rig Model Pelican Class
Year Built 1976
Country of Build Netherlands
Yard Name Werf Gusto Shipyard
Group Yard Name IHC Gusto B.V.

Rig Contract Details

Operating Status Cold Stacked
Operator --


23 Dec 2009

Mahogany Deep-2 appraisal well confirms southerly extent of Jubilee field

Tullow Oil plc (Tullow) announces that the Mahogany Deep-2 appraisal well offshore Ghana confirmed the down-dip extent of the main Jubilee reservoirs in the West Cape Three Points Block and intersected two new light oil accumulations. Good quality reservoirs were encountered in the Mahogany Deep section but were water bearing at this location. Mahogany Deep-2, drilled 3 km from Mahogany-3, is the furthest down-dip Jubilee well in the West Cape Three Points licence. Results of drilling, wireline logging and samples of reservoir fluid indicate that the well has encountered good quality hydrocarbon-bearing reservoir sandstones in three zones. An interval of 12 metres net pay has proved an extension of the main Jubilee reservoirs. In addition, a new shallower accumulation, with 2 metres net pay, was encountered and supports exploration prospectivity in undrilled areas to the south and east. In total, the well intersected 53 metres of net reservoir sandstones, 20 metres of which were in the Mahogany Deep section. These were found to be water bearing at this location but are not connected to the Mahogany Deep accumulation at Mahogany-3. Further extensions to the Mahogany Deep accumulation may exist to the south and east of Mahogany-3. A new reservoir was also encountered in a deeper stratigraphic level beneath the Mahogany Deep section and an oil sample was successfully recovered from a 1 metre zone which has not been encountered in any other wells in the West Cape Three Points licence to date. The new accumulations discovered by the well will now be evaluated using the recently reprocessed high resolution 3D seismic data and may be the target of future drilling. Further potential extensions of the Jubilee field and associated prospectivity will be drilled early in 2010. The Aban Abraham dynamically positioned drill-ship drilled Mahogany Deep-2 to the current depth of 4,326 metres in water depths of 1,354 metres. Tullow has a 22.896% interest in the West Cape Three Points licence and its partners are Kosmos Energy (Operator) and a subsidiary of Anadarko Petroleum Corporation, (30.875% each), the E.O. Group (3.5%), Sabre Oil & Gas (1.854%) and the Ghana National Petroleum Corporation (GNPC) (10% carried interest).

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