Petroceltic International records additional discovery with INE-2 well
17 November 2009
Petroceltic International, the upstream oil and gas group working in North Africa and the Mediterranean, has successfully tested the INE-2 well on the Isarene permit in Algeria’s Illizi basin.
Petroceltic has a 75% equity interest and operatorship of the Isarene permit and is working on the project with its co-venturer Sonatrach.
Together, the companies have been using the well to test the Devonian F2 formation, which resulted in a rate of 4 million standard cubic feet per day with a flowing wellhead pressure of 180 PSI on a 1' choke setting. This flow rate was achieved without the benefit of fracture stimulation which proved successful in testing on the nearby AT-1 well.
Importantly, the well also targeted the ISAS, which is a separate structure in the same area of the Ilizi basin as the recently announced Ain Tsila ridge discovery. ISAS has been identified as a significant gas bearing structure in its own right for some time.
INE-2 is the third well on the ISAS structure to flow gas at 4mmscfd or more. Well INE-1 flowed at 4.4mmscfd while another earlier well, TMZ-1 tested at 4.1mmscfd. A further well on the structure, GTT-1, tested oil at rates of 490 barrels per day.
A joint technical study undertaken with the operator of the adjacent block 226 in 2007 concluded that at the F2 level the structure extended into both blocks, across a distance of 20km north to south.
Testing and sampling operations at the INE-2 well have now concluded and the well testing crew is moving to flow test well AT-2. Well INE-2 has been completed for possible future use as a production well.
Brian O'Cathain, Petroceltic’s chief executive, commented: “We are pleased that this well has demonstrated a commercial flow rate at this location. This additional discovery on the block is helpful in adding to the hydrocarbon inventory proved as potentially commercial on the licence.”
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