Irish oil explorer Providence Resources reported Friday that its Barryroe discovery, offshore southern Ireland, has undergone further successful flow testing. The result should build more confidence among Ireland's oil and gas explorers in the potential of adding prospects in the North Celtic Sea, where Barryroe is located, as well as elsewhere offshore Ireland.
Providence reported on March 15 that a 24-foot thick net pay interval in the oil-bearing basal Wealden sandstone section flowed at stabilized rates of 3,514 barrels of oil per day and 2.93 million standard cubic feet of gas per day, delivering 4,000 barrels of oil equivalent per day.
Providence reported Friday that after an additional 17-foot thick net gas-bearing section was perforated to test the potential of the upper part of the sandstone section, highly productive flow rates of 7 Mmscfgd and 1,350 bopd were measured (2,516 boepd).
Providence added that a preliminary modeling of the pressure data indicates that a co-mingled flow rate of 17 Mmscfgd and 3,350 bopd (for 6,183 boepd) at a flowing well-head pressure of around 500 pounds per square inch is achievable.
Well suspension operations are now complete and the GSF Arctic III (mid-water semisub) rig will now be demobilized to the UK.
"It is particularly pleasing to note that both the oil and gas zones have far exceeded our pre-drill expectations, both in terms of reservoir development and more importantly, oil and gas flow rates," said Providence CEO Tony O'Reilly in a statement.
The 48/23-10z Barryroe appraisal well is located in 330 feet of water depth, some 30 miles offshore southern Ireland. O'Reilly pointed out that the well is not far from facilities that could be used to transport gas.
"The well lies just 3 kilometers (1.9 miles) from installed pipeline infrastructure which may provide a future route to monetize any surplus Barryroe gas production," O'Reilly added.
As well as operating the Barryroe well Providence has a holding in the well that amounts to 80 percent, while its partner Lansdowne Oil & Gas has a 20-percent interest.
Speaking to Rigzone earlier this month, O'Reilly said that the firm's next target is the Dalkey Island prospect – a shallow-water project in the Kish Bank Basin not far from Dublin.
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