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

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Accumulation Number: 32JAHALORIGINAL OPERATOR:BHP Petroleum Pty LtdTYPE:OilSTATUS:Other DiscoveryLOCATION:560 km northwest of DarwinSTATE:Zone of Cooperation, Part AORIGINAL TITLE(S): ZOCA 91-01BASIN:BonaparteSUB-BASIN:Laminaria HighDISCOVERY WELL:Jahal-1Longitude (E): 126.1025Latitude (S): -10.5676Date total depth reached: 06 MAY 96Water Depth:402.3 mKelly bushing:25 mOperator:BHP Petroleum Pty LtdTotal Depth:3,445 mKBNUMBER OF WELLS DRILLED: 1 (plus 1 sidetrack)STRUCTURE/TRAP:Tilted fault blockPETROLEUM BEARING UNIT No.1: Troughton GroupCONTENTS:OilFORMATION:Elang FormationAGE:Late Jurassic (Callovian)LITHOLOGY:Sandstone with interbedded claystone. Sandstone: very fineto medium, predominantly fine grained, subangular tosubrounded, well sorted, quartzose.DEPOSITIONAL ENVIRONMENT: Deltaic highstand and transgressive systems tracts.GROSS HYDROCARBON COLUMN: 33 m (Jahal-1ST1)10 m (Jahal-1)NET PAY:7.56 m (Jahal-1)13.69 m (Jahal-1ST1)HYDROCARBON SATURATION: 65.2%OIL/WATER CONTACT:3,308 mRT (3,283 mTVDSS)OIL GRAVITY:55 o APIPOROSITY:10.7% (average log porosity)PERMEABILITY:less than 10 mDTEST <strong>DATA</strong> FROM THE DISCOVERY WELL (Jahal-1 and Jahal-1/ST1):<strong>RFT</strong>, 3,306.5 m,Recovered 20.5 litres of oil and 0.5 m 3of gas.DST 1, 3,300-3,315 m,Flowed oil at 1,422 bbls/day and gas at2,548 m 3 /day through a 9.5 mm choke.Elang FormationElang Formation
REMARKS:Jahal-1 was drilled to 3,303 m before being plugged back to 2,780 m, sidetracked and drilled to 3,445 m.Water saturations in the Elang Formation are considered pessimistic due to the large percentage of pyrite(up to 27%) present throughout the reservoir interval.STRATIGRAPHY (Jahal-1) :AGE UNIT FORMATION TOP(mRT)Undifferentiated 427.0Oliver Formation 1139.0WOODBINE Cartier Formation 1845.0TERTIARY GROUP Prion Formation 2032.0Hibernia Formation 2517.0Grebe Sandstone 2674.0Johnson Formation 2741.0Wangarlu Formation 2803.0U. Jamison Formation 2873.0CRETACEOUS BATHURST L. Jamison Formation 2945.0ISLAND Darwin Formation 2995.0GROUP Echuca Shoals Formation 3002.0Flamingo Formation 3056.0FLAMINGO GROUP Frigate Formation 3289.0JURASSIC Elang Formation 3298.0TROUGHTON GROUP Plover Formation 3378.0
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COMPOSITIONAL DATA :GAS :GASPROPERT
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Accumulation Number: 10BONAPARTEORI
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Accumulation Number: 11BUFFALOORIGI
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Accumulation Number: 12BULLERORIGIN
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REMARKS:Fluorescence recorded below
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124°58'125°00'125°02'Challis 11C
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Accumulation Number: 14CHALLISORIGI
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RFT 4, 1,392 m,Recovered 6.5 litres
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Accumulation Number: 15CHUDITCHORIG
Page 20 and 21: Accumulation Number: 16CORALLINAORI
Page 22 and 23: Accumulation Number: 17CRUXORIGINAL
Page 24 and 25: Accumulation Number: 18CURLEWORIGIN
Page 26 and 27: TEST DATA FROM THE DISCOVERY WELL (
Page 28 and 29: 125°18'1060125°20'10701070107011
Page 30 and 31: Accumulation Number: 20EAST SWANORI
Page 32 and 33: GAS SATURATION:33% (average, 2,695
Page 34 and 35: 124°34' 124°36' 124°38'280012°1
Page 37 and 38: 1250125°45'125°50'0 5 km11°15'Co
Page 39 and 40: Accumulation Number: 23ELANGORIGINA
Page 41 and 42: 126°32'126°34' 126°36' 126°38'1
Page 43 and 44: Accumulation Number: 24EVANS SHOALO
Page 45 and 46: RFT 13, 3,678 m,Plover FormationRec
Page 47 and 48: 1800127°30'2000127°40'19002000210
Page 49 and 50: COMPOSITIONAL DATA :GAS :GASPROPERT
Page 51 and 52: 126°30'126°40'1050105010°50'1000
Page 53 and 54: STRATIGRAPHY (Flamingo-1) :AGE UNIT
Page 55 and 56: 600129°15'129°30'129°45'11°45'N
Page 57 and 58: Accumulation Number: 28FOHNORIGINAL
Page 59 and 60: Accumulation Number: 29GARIMALAORIG
Page 61 and 62: Accumulation Number: 30HALCYONORIGI
Page 63 and 64: STRATIGRAPHY (Halcyon-1) :AGE UNIT
Page 65 and 66: 124°58'125°00'Jabiru 1211°55'Jab
Page 67 and 68: Jabiru-4 intersected a 32.5 m gross
Page 69: STRATIGRAPHY (Jabiru-12) :AGE UNIT
Page 73 and 74: 126°28'126°30'320010°50'3200Kaka
Page 75 and 76: Accumulation Number: 34KAKATUA NORT
Page 77 and 78: REMARKS:Kakatua North-1 was abandon
Page 79 and 80: 1700129°00'1800129°05'1790129°10
Page 81 and 82: Accumulation Number: 36KELP DEEPORI
Page 83 and 84: STRATIGRAPHY (Krill-1) :AGE UNIT FO
Page 85 and 86: Accumulation Number: 40LESUEURORIGI
Page 89 and 90: Accumulation Number: 39LAMINARIAORI
Page 93 and 94: Accumulation Number: 41LEEUWINORIGI
Page 95 and 96: STRATIGRAPHY (Leeuwin-1) :AGE UNIT
Page 97 and 98: 1400125°35'125°40'145014201450140
Page 99 and 100: Accumulation Number: 43LOXTON SHOAL
Page 101 and 102: RESERVES:Gas:Condensate:9.56 TCF (i
Page 103 and 104: RFT 8, 3,724.9 m,Recovered 0.03 m 3
Page 105 and 106: Accumulation Number: 45MARETORIGINA
Page 107 and 108: REMARKS:A 3.5 m gross hydrocarbon c
Page 109 and 110: 124°31'124°33'12°40'275027002700
Page 111 and 112: STRATIGRAPHY (Montara-1) :AGE UNIT
Page 113 and 114: 125°00'125°05'350032500 5 kmConto
Page 115 and 116: STRATIGRAPHY (Oliver-1) :AGE UNIT F
Page 117 and 118: MDT, Run 1, 2,600.5 mRecovered 21 l
Page 119 and 120: 125°02'00.5 km1650Contour Interval
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Accumulation Number: 50PENGUINORIGI
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RFT 5, 2,535 m,Recovered 3.6 m 3 of
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128°20'WANT128°30'425012°40'0 10
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COMPOSITIONAL DATA :GAS :GASPROPERT
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Accumulation Number: 53PUFFINORIGIN
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APPRAISAL AND DEVELOPMENT DRILLING
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Accumulation Number: 54RAMBLERORIGI
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TEST DATA FROM THE DISCOVERY WELL (
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STRATIGRAPHY (Saratoga-1) :AGE UNIT
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124°24'124°25'124°26'124°27'GOC
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RESERVES:Initial Oil:20.5 MMbblsSou
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17501750127°45' 128°00' 128°15'1
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Accumulation Number: 58SUNSETORIGIN
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Page 149 and 150:
Accumulation Number: 59SWANORIGINAL
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TEST DATA FROM THE DISCOVERY WELL (
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Accumulation Number: 60TAHBILKORIGI
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NET PAY:60.7 mNET TO GROSS RATIO: 8
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16001600124°52'124°52'124°54'165
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COMPOSITIONAL DATA CONTD :GAS :GASP
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Accumulation Number: 63TERNORIGINAL
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PERMEABILITY:PETROLEUM BEARING UNIT
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Accumulation Number: 64TROUBADOUROR
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FIT 3, 2,286 m,Recovered 0.45 m 3 o
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Accumulation Number: 65TURTLEORIGIN
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PETROLEUM BEARING UNIT No.2:CONTENT
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RFT 4, 1,624.6 m,Recovered 1-2 cc o
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Accumulation Number: 66VIENTAORIGIN
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PETROLEUM BEARING UNIT No.2: Langfi
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123° 124° 125° 126° 127° 128°
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COMPOSITIONAL DATA : GAS : GAS PROPERTIES Puffin Fm RFT ...

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