EXPLORE AUSTRALIA

BIDS CLOSE 18 OCTOBER 2007

ASHMORE PLATFORM, BONAPARTE BASIN,TERRITORY OF ASHMORE AND CARTIER ISLANDSAreas AC07-1, AC07-2, AC07-3, AC07-4 and AC07-5

FOR MORE INFORMATION CONTACT:

Mr Bob PeglerGeneral ManagerOffshore Resources BranchResources DivisionDepartment of Industry, Tourism and ResourcesGPO Box 9839, CANBERRA ACT 2601AUSTRALIATelephone: +61 2 6213 7928Facsimile: +61 2 6213 7955E-mail: petroleum.exploration@industry.gov.auInternet: www.industry.gov.au/petexp

FOR GEOSCIENTIFIC ENQUIRIES CONTACT:

Dr Clinton FosterChief of DivisionPetroleum & Marine DivisionGeoscience AustraliaGPO Box 378, CANBERRA ACT 2601AUSTRALIATelephone: +61 2 6249 9447Facsimile: +61 2 6249 9933E-mail: Clinton.Foster@ga.gov.auInternet: www.ga.gov.au

ASPD 7014-2

WESTERN

AUSTRALIA

NORTHERN

TERRITORY

SOUTH

AUSTRALIA

QUEENSLAND

NEW SOUTH WALES

VICTORIA

TASMANIAHobart

Melbourne

Sydney

Brisbane

Darwin

Perth

2007 Offshore Acreage Release Area

2007 Designated Frontier Area

2006 Offshore Acreage Release AreaBids close 10 May 2007Existing petroleum explorationor development titleGas pipelineOil pipeline

NT07-2

NT07-3 to 5

W07-4

V07-1 to 3

NT07-1

W07-16 to 21

W07-12 to 15

W07-8 to 11

W07-1to 3

AC07-1 to 5

30°

10°

120° 140°

0 1000 km

W07-5 to 7

2007 Release of Offshore Petroleum Exploration AreasThe 2007 Offshore Petroleum Exploration Acreage release comprises 34 areas, located across six basins. The release areas range from frontier to mature status and offer opportunities for exploration companies of all sizes.

Comprehensive acreage release information packs can be obtained (free of charge) by emailing contact details to: petroleum.exploration@industry.gov.au

Areas AC07-1, AC07-2, AC07-3, AC07-4 and AC07-5 • Nearby Puffi n oil fi eld in fi nal development stages.

• Numerous play types in potential Cretaceous, Jurassic and Triassic reservoirs.

• Proprietary Vulcan Sub-basin MegaSurvey 3D seismic coverage available.

• Special Notices apply, refer to Guidance Notes.

Geoscience Australia Reports/ProductsNew Reports/Products • Source rock time-slice maps (TOC, HI, VR),

offshore Northwest Australia - 1:3,000,000 scale (GA Catalog No. 61179).

• Oils of Western Australia II: Regional Petroleum Geochemistry and correlation of crude oils and condensates from Western Australia and Papua New Guinea (GA and GeoMark Research, 2005)

Other Reports/Products • Interpretations of Geoscience Australia’s regional seismic

data, Survey 98, 100, 116, 118, 119 and 130 (2001) – digital horizon and fault data in ASCII format. GA Catalog No’s. 35237, 35239, 35249, 35243, 35244, 35248.

• Line drawings of Geoscience Australia’s regional seismic profi les, offshore northern and northwestern Australia. GA Catalog No. 36353.

• Vulcan Sub-basin high-resolution seismic survey VTT-163 and 165, and Interpretation Report. GA Record 1996/61.

• Hydrocarbon Migration and Seepage in the Timor Sea and Northern Browse Basin, North West Shelf, Australia (2001). An integrated SAR, geological and geochemical study; GIS (ArcView) format. GA Record 2001/11. GA Catalog No. 35246.

• Characterisation of Natural Gases from West Australian Basins: Bonaparte Basin Module. GA and Geotechnical Services Non-exclusive Study, 2000.

• Oils of Western Australia: Regional Petroleum Geochemistry and correlation of crude oils. GA and GeoMark Research, 1996.

• Vulcan Sub-basin Geohistory Modelling CD. GA Record 1999/40. GA Catalog No. 31483.

• Vulcan Sub-basin Composite Well Folio CD, 1999. GA Catalog No. 25307.

• Northwestern and Northern Australian margins stratigraphic chart showing GA’s interpreted regional seismic horizons, 2001. GA Catalog No. 36454.

• Basin Biozonation and Stratigraphy charts for the Northern Bonaparte Basin, Chart 15, 1998.

B

B

B

B

B

B

B

B

B

B

B

B

AC07-4

06-1131-11

AC07-5

AC07-3

AC07-2

AC07-1

AC/P35

AC/P33

AC/P4

AC/P17

AC/L1

AC/P4

AC/P20

AC/L3AC/P21

AC/P32AC/P25

AC/RL3

AC/P22

AC/P34

AC/P37AC/P36AC/P30

INDONESIA

200

1000

1000

200

Delta 1

Lucas 1

Cartier 1

Yarra 1

Rothbury 1Caversham 1

Warb 1, 1A

Cromwell 1, 1A

Sahul Shoals 1

Skua

CassiniChallis

Jabiru

Field outlines supplied by Encom Petroleum Information Pty Ltd. Green dot for Puffin is indicative of location ONLY.

0 50 km

Great Eastern 1

Langhorne 1Maple 1

Rainbow 1

Swan 1Parry 1

PuffinPrion 1

Turbo 1

Mount Ashmore 1, 1A, 1B

Gryphaea 1

Pascal 1

Pollard 1

Pokolbin 1

Ashmore Reef 1

TERRITORY OF ASHMOREAND CARTIER ISLANDS

123° 124° 125°

13°

12°

11°

Existing petroleum exploration or development permit

2006 release area

2007 release area

Bathymetric contour (depth in metres)500

Adjacent area boundary

AC06-2Crux 1

AC06-1

W07

-3

ASHMORE PLATFORM PETROLEUM PLAY ELEMENTS

Source Early Permian and Early Triassic sections in the Cartier and Swan troughs.

Reservoir Potential Cretaceous, Jurassic and Triassic reservoirs and the Oliver Formation (Miocene).

Seal Nome and Challis Formations (Triassic), Upper Swan Formation (Early Jurassic).

Traps Structural and potential stratigraphic traps.

Infrastructure and Markets

Nearby Puffi n oil fi eld in fi nal development stages. Proprietary Vulcan Sub-basin MegaSurvey 3D seismic coverage available.

1. Location map of areas AC07-1, AC07-2, AC07-3, AC07-4 and AC07-5, Ashmore Platform, Bonaparte Basin.

2. Regional setting of the Ashmore Platform and Vulcan Sub-basin, Bonaparte Basin.

3. Stratigraphic summary of the Ashmore Platform and Vulcan Sub-basin.

Current Exploration Opportunities in the Ashmore Platform, Bonaparte Basin,Territory Of Ashmore And Cartier Islands, Offshore Australia. Open for bids until 18 October 2007

125°

Montara Terrace

0 50 km

124°13°

Browse Basin

Vulcan Sub-basin

BasinBoundary

Skua

Audacious

Challis

Tenacious

Jabiru

AshmorePlatform

Graben

Jabiru

Terra

ce

W07-3

W07-1

AC07-1

AC07-2

AC07-3

AC07-5

Cassini

LondonderryHigh

Field outlines courtesy of Encom Petroleum Information Pty Ltd. Coloured dots are indicative of field location ONLY.

Katandra

Oliver

Swan

BilyaraMontara

Talbot

Crux

Puffin-2, 9

Puffin-1, 3, 5, 7

12°

06-1356-6

TERRITORY OF ASHMOREAND CARTIER ISLANDS

WESTERN AUSTRALIA

INDONESIA

Paqual

in

Figure 2. Regional setting of the Ashmore Platform and Vulcan Sub-basin, Bonaparte Basin (after,Edwards et al, 2004).

Swan

G

rabe

n

Heywood G

raben

Cartie

r T

rough

AALENIANTOARCIAN

RHAETIAN

NORIAN

CARNIAN

LADINIANANISIAN

GRIESBACHIANNAMMALIANSPATHIAN

SCYT

HIAN

KAZANIANUFIMIAN

MIDIANDZHULFIAN

DORASHAMIAN

TATA

RIAN

CONIACIANTURONIAN

ALBIAN

APTIAN

AGE LITHOLOGY STRATIGRAPHY TECT

NNE

NNW

NW

NS

Transpression Extension Compression Oil Oil/gas

SERIES

Octavius 1

Prion FmHibernia Fm

Grebe Fm

Johnson Fm

Puffin Fm

Fenelon Fm

Jamieson Fm

Upper Vulcan Fm

Lower Vulcan Fm

Montara Fm

Plover Fm

Nome Fm

Challis Fm

Pollard Fm

Osprey Fm

Hyland Bay Fm

SA

HU

L G

PS

WA

N G

PB

AT

HU

RS

T IS

LAN

D G

PW

OO

DB

INE

GP

Oil, gas show

BARREMIAN

HAUTERIVIAN

VALANGINIANBERRIASIANTITHONIAN

KIMMERIDGIAN

OXFORDIAN

CALLOVIAN

BATHONIAN

BAJOCIAN

PLIENSBACHIAN

SINEMURIANHETTANGIAN

TORTONIANSERRAVALLIAN

LANGHIANBURDIGALIAN

AQUITANIAN

CHATTIANRUPELIANPRIABONIAN

BARTONIAN

LUTETIAN

YPRESIANTHANETIANSELANDIANDANIAN

MAASTRICHTIAN

CAMPANIAN

SANTONIAN

CENOMANIAN

Barracouta Fm

Oliver Fm

HYDROCARBON DISCOVERIES

Padthaway 1

Gibson FmWoolaston Fm

EchucaShoals Fm

East Swan 1

East

Halcyon 1,Delamere 1

Mount Goodwin Fm

Katandra-1A

Vesta 1

Keeling 1,Maple 1,Pengana 1

Puffin

Jabiru, North Swift 1

Challis,

Audacious

Q P

M

CE

NO

ZO

IC

O

E

P

CR

ET

AC

EO

US

L

E

JUR

AS

SIC

L

M

E

TR

IAS

SIC L

M

E

L

PE

RM

Skua, Oliver 1Jabiru, North Swift 1, Swallow 1

Octavius 2, Maret 1

CALABRIAN PIACENZIANZANCLEAN MESSINIAN

Swan

Tahbilk

Swan 1Birch 1

Tenacious

Tahbilk

Talbot

Cassini,

Bilyara 1, Montara,

06-1356-3

25

50

75

100

125

150

175

200

225

250

AGEMa

Figure 5. Stratigraphic summary of the Ashmore Platform and Vulcan Sub-basin (after Edwardset al, 2004).

Contact Geoscience Australia’s Sales Centre for more information or to order these reports or products, phone 61 (0)2 6249 9966, e-mail sales@ga.gov.au

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