Interference tests verify reservoir continuity, offshore Africa

Neil Humphreys, Larry Myers Mobil Equatorial Guinea Inc. Malabo, Equatorial Guinea Arlene G. Pollin Mobil Exploration & Producing Services Inc. Dallas Steve Hill Expro North Sea Ltd. London Ian Treherne Plus Design Ltd. London Interference testing during start-up of the Zafiro field, offshore Equatorial Guinea, determined the degree of reservoir continuity within the field. This testing involved producing a single well at a fixed rate while observing the reservoir pressure response in four offset wells. The test included both analytical and numerical techniques with a clearly defined plan for sequencing well production to maxi...

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