COMPOSITIONAL DATA : GAS : GAS PROPERTIES Puffin Fm RFT ...

GAS SATURATION:33% (average, 2,695 – 2,715.2 mKB)36.5% (average, 2,792 – 2,810.3 mKB)TEST DATA FROM THE DISCOVERY WELL (East Swan-1):FIT 1, 2,035 m,Recovered 0.74 m 3 of gas, 18 litres ofwater and 500 cc of mud.FIT 4, 2,698 m,Recovered 0.008 m 3 of gas and 9.7 litresof filtrate.FIT 3, 2,710 m,Tight test.FIT 2, 2,793 m,Recovered 0.014 m 3 of gas and9.25 litres of filtrate with an oil scum.FIT 6, 2,793 m,Recovered 0.011 m 3 of gas and 2 litresof filtrate and formation water with atrace of oil.FIT 5, 2,806 m,Recovered 0.014 m 3 of gas, 2 litres offormation water with an oil scum anda quantity of oil stained sand.Bathurst Island GroupPlover FormationPlover FormationPlover FormationPlover FormationPlover FormationAPPRAISAL AND DEVELOPMENT DRILLING :East Swan-2, drilled 1 km north of East Swan-1, was plugged and abandoned dry.REMARKS :Fluid inclusion studies undertaken by O’Brien & others (1996) identified a residual oil column of around91 m (2,630 – 2,721 mKB) in East Swan-2. The data also suggest a palaeo-gas cap may have originallybeen present between 2,606 mKB and 2,630 mKB in this well.STRATIGRAPHY (East Swan-1) :AGE UNIT FORMATION TOP(mKB)TERTIARY WOODBINE GROUP Undifferentiated 124.4CRETACEOUS BATHURST ISLAND GP Undifferentiated 1824.2JURASSIC FLAMINGO GROUP Flamingo Gp/Plover Fm 2330.2