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    1. Drilling & Completion

    Heidelberg deepwater GoM oil discovery appraisal drilling succeeds

    April 19, 2012
    Eni confirms its deepwater Gulf of Mexico Heidelberg oil discovery with an appraisal well and side track in Green Canyon block 903.

    Offshore staff

    MILAN, Italy –Eni confirms its deepwater Gulf of Mexico Heidelberg oil discovery with an appraisal well and side track in Green Canyon block 903.

    Well GC 903-3 in 1,603 m (5,260 ft) of water reached measured TD of 9,460 m (31,030 ft) and was side tracked down-dip to TD of 9,278 m (30,440 ft). It found the oil/water contact 213 m (700 ft) deeper than theprevious well, indicating a larger field extent than previously considered.

    Eni holds 12.5% of Heidelberg with Anadarko Petroleum Corp. as operator at 44.25%, Apache Corp. 12.5%, Statoil 12%, Cobalt International 9.375%, and ExxonMobil 9.375%.

    4/19/2012