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

Accumulation Number: 10BONAPARTEORIGINAL OPERATOR:Alliance Oil Development AustraliaTYPE:GasSTATUS:Other DiscoveryLOCATION:375 km southwest of DarwinSTATE:Western AustraliaORIGINAL TITLE(S):PE 127 HBASIN:BonaparteSUB-BASIN:Petrel Sub-basinDISCOVERY WELL:Bonaparte-2Longitude (E): 128.7211Latitude (S): -15.0853Date total depth reached: 09 OCT 64Ground level:117 mKelly bushing:5 mOperator:Alliance Oil Development Australia.Total Depth:2,136 mKBNUMBER OF WELLS DRILLED: 2STRUCTURE/TRAP:Northwest-southeast trending anticlineAREAL CLOSURE: > 50 km 2VERTICAL CLOSURE:> 75 mRESERVOIR UNITS: 1PETROLEUM BEARING UNIT No.1: Weaber GroupCONTENTS:GasFORMATION:Milligans FormationAGE:Early CarboniferousLITHOLOGY:Argillaceous sandstone interbedded with carbonaceoussiltstone and shale.DEPOSITIONAL ENVIRONMENT: Moderately deepwater marineFORMATION TOP (mKB):480.7 mKB (top Milligans Fm)1,437.4 mKB (top reservoir)POROSITY: Up to 16%TEST DATA FROM THE DISCOVERY WELL (Bonaparte-2):DST 1, 460-523 m,Recovered 55 m of slightly water cutdrilling mud and 289 m of fresh water.DST 2, 524-586.9 m,Recovered 6 m of watery drilling mudand 120 m of fresh water.DST 3, 1,001-1,024.9 m,Recovered 1.5 m of drilling mud.Tanmurra FormationMilligans FormationMilligans FormationDST 4, 1,067.9-1,088.9 m,Recovered 58 m of drilling mud.Milligans FormationDST 5, 1,379.9-1,389.1 m, Milligans FormationRecovered 76 m of water cut drillingmud and 870 m of salt water.