Ithaca Energy has completed the final production well on the Athena field in UK sector of the North Sea. The well encountered a section of oil saturated net reservoir, with good porosities, stated the company. Development drilling has concluded and the project remains on schedule to commence production in 4Q 2011 with initial production rates anticipated at 22,000 bopd.
The 14/18b-A2Z development well intersected 515 feet (157 meters) of net reservoir in the sub horizontal section of the wellbore, which was drilled to a total measured depth of 15,497 feet (4,723 meters). The Sedco 704 semisub is proceeding to run completion equipment and perforate the well, three existing suspended production wells and a water injection well.
Well 14/18b-A2Z was directionally drilled to the northwest of the Athena field where it encountered the principal reservoir section, the Scapa A reservoir at 11,967 feet (3,648 meters, measured depth), 8,851 feet (2,698 meters, true vertical depth subsea), in line with prognosis. Ithaca said that electric logs acquired across the entire reservoir section of interbedded Scapa age sandstones and shales confirmed a series of reservoir sands with porosities of up to 20%.
Furthermore, modification and recertification work on the BW Athena FPSO, currently dry docked in Dubai, is at an advanced stage. Currently, the vessel was separated to install a turret docking section and is being welded into the structure amidships. The FPSO is expected to return to UK waters for hook-up to the turret mooring buoy by the end of 3Q 2011. The Athena field is located on Block 14/18b in 440 feet (134 meters) of water. Ithaca Energy serves as the operator of the field, holding a 22.5% interest; Dyas UK Ltd. holds 47.5%; EWE holds 20%; and Zeus holds the remaining 10% interest.
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