Carnarvon Petroleum Limited (Carnarvon) provided Monday the following update on drilling operations as advised by the operator of the Roc-1 well in permit WA-437-P offshore Western Australia, Quadrant Energy.
Condensate rich gas has been recovered from the well using wireline logging tools.
Wireline logging over the interval from 14,370 feet (4,380 meters) to 14,501 feet (4,420 meters) has confirmed reservoir quality sands with net hydrocarbon interval of 33 feet (10 meters) from the gross 131 foot (40 meter) sand column.
Pressure testing has confirmed at least three discrete hydrocarbon columns in the section from 14,370 feet (4,380 meters) to 14,501 feet (4,420 meters).
Formation fluid sampling has confirmed a liquids rich gas with a condensate ratio of 20 to 40 barrels per million cubic feet being evaluated at the rig site using downhole instruments. The fluid type will be confirmed in laboratory testing once the sample bottles are dispatched from the rig.
Mobility observations during pressure testing indicate good quality reservoir with inferred permeability in the range from 10 to 100 millidarcy.
Managing Director’s Comments
Carnarvon’s Managing Director, Adrian Cook in commenting on the discovery said “the information obtained while drilling the Roc-1 well confirms a live hydrocarbon system in the area, with indications at this early stage of evaluation that the condensate rich gas resides in reservoir capable of being recovered in a conventional manner.
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