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

Accumulation Number: 43LOXTON SHOALSORIGINAL OPERATOR:Woodside Offshore Petroleum Pty LtdTYPE:GasSTATUS:Possible Future ProducerLOCATION:430 km northwest of DarwinSTATE:Northern TerritoryORIGINAL TITLE(S):NT/P12BASIN:BonaparteSUB-BASIN:Sahul PlatformDISCOVERY WELL:Loxton Shoals-1Longitude (E): 128.2327Latitude (S): -9.5106Date total depth reached: 17 AUG 95Water Depth:290 mKelly bushing:22 mOperator:Woodside Offshore Petroleum Pty LtdTotal Depth:2,330 mKBNUMBER OF WELLS DRILLED: 1STRUCTURE/TRAP:Tilted fault block.AREAL CLOSURE: 81 km 2VERTICAL CLOSURE:80 mRESERVOIR UNITS: 1GROSS HYDROCARBON COLUMN: 64 mNET PAY:27.7 mNET TO GROSS RATIO: 43%CONDENSATE TO GAS RATIO: 50-60 bbl/MMscfHYDROCARBON SATURATION: 78%GAS/WATER CONTACT:2,205 mTVDSS (free water level)PETROLEUM BEARING UNIT No.1:CONTENTS:FORMATION:AGE:LITHOLOGY:DEPOSITIONAL ENVIRONMENT:FORMATION TOP (mKB):POROSITY:Troughton GroupGasPlover FormationJurassic (Callovian to Aalenian)Sandstone, clear to dark grey, fine to medium grained,occasionally coarse grained, occasionally silty andargillaceous, common silica cement. Sequence coarsensupwards at the top of the section.Fluvio-deltaic to marginal marine2,114.5 m15.1% (average log porosity)TEST DATA FROM THE DISCOVERY WELL (Loxton Shoals-1):RFT, 2,139.1 m,Recovered 1.356 m 3 of gas and7.7 litres of mud filtrate.MDT, 2,139 m,Recovered 1.345 m 3 of gas, 4.25 litresof mud filtrate and 250 cc of condensate.Plover FormationPlover Formation