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

Accumulation Number: 39LAMINARIAORIGINAL OPERATOR:TYPE:STATUS:LOCATION:STATE:ORIGINAL TITLE(S):BASIN:SUB-BASIN:DISCOVERY WELL:Longitude (E): 126.0283Latitude (S): -10.6279Date total depth reached: 09 OCT 94Water Depth:Kelly bushing:Operator:Total Depth:NUMBER OF WELLS DRILLED:STRUCTURE/TRAP:Woodside Offshore Petroleum LtdOilProducer560 km northwest of DarwinTerritory of Ashmore and Cartier Islands Adjacent Area(Northern Territory) and Western Australia.AC/P8BonaparteLaminaria HighLaminaria-1361 m22 mWoodside Offshore Petroleum Ltd3,400 mKB6 (includes Laminaria East-1 and Laminaria-3 Sidetrack)A series of east-northeast to west-southwest oriented tiltedfault blocks which form the Laminaria HorstAREAL CLOSURE: Over 17 km 2VERTICAL CLOSURE:Over 120 mRESERVOIR UNITS: 1GROSS HYDROCARBON COLUMN: 102 m (Laminaria-1)OIL/WATER CONTACT:3,288 mTVDSSGAS/OIL RATIO:175 scf/stbOIL GRAVITY:59 o APIBUBBLE POINT:538 psig @ 230 o FINITIAL RESERVOIR PRESSURE: 4,680 psia (at 3,200 mTVDSS)BOTTOM HOLE TEMPERATURE:118 o C (after 0.9 hours circulation, 62.95 hours postcirculation)PETROLEUM BEARING UNIT No.1:CONTENTS:FORMATION:AGE:LITHOLOGY:DEPOSITIONAL ENVIRONMENT:FORMATION TOP (mKB):POROSITY:PERMEABILITY:Flamingo GroupOilLaminaria Formation (basal sand unit of the FlamingoGroup)(also referred to as Elang Formation)Middle to Late Jurassic (Callovian to Oxfordian)Varies from poorly sorted, sandy mudstones (bay andestuarine channel facies) through moderately well sorted,subrounded to rounded, quartzose sandstones with minorclay, silt, siderite, carbonate and kaolinite (distributarychannel facies) to well sorted, subrounded to roundedquartzose sandstones with common carbonate, siderite orpyrite cement (stream mouth bar facies).Transgressive, estuarine dominated delta.3,201 mVariable. 5-12% (bay facies), 8-16% (estuarine channelfacies), 13-16% (distributary channel facies) and 12-20%(stream mouth bar facies).Variable. 0.5-10 md (bay facies), 10-500 md (estuarinechannel facies), 100-1,000 md (distributary channelfacies) and 100-1,200 md (stream mouth bar facies).