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Otway Basin Acreage Release OT2012-A Otway Basin OT2012-A South Australia Acreage Release Bids close APRIL 4 2 0 1 3 Department for Manufacturing, www.petroleum.dmitre.sa.gov.au Energy Resources Division Innovation, Trade, Resources and Energy August 2012 204315 CONTENTS THE OFFER . 3 PRODUCTS AND DATA . 3 INTRODUCTION . 3 PETROLEUM GEOLOGY . 7 Structural setting . 7 Stratigraphy . 7 Source rock distribution and maturity modelling . 11 Reservoirs and seals . 11 Petroleum entrapment . 16 Undiscovered conventional resources . 16 EXPLORATION POTENTIAL . 17 Shale gas plays . 17 Casterton Formation . 17 Upper and Lower Sawpit shales . 18 Shale oil play . 18 Casterton Formation . 18 Infrastructure and markets . 22 LAND ACCESS . 22 National parks and reserves . 22 Environmental regulation . 23 European heritage . 23 Aboriginal heritage and native title . 23 Geothermal Exploration Licences . 23 Associated Activities Licences . 23 CLIMATE AND LAND USE . 26 BIDDING AND AWARD PROCESS . 26 CONTACT INFORMATION . 26 REFERENCES . 26 Otway Basin OT2012-A 2 South Australia OTWAY BASIN Acreage Release Block OT2012-A BIDS CLOSE 4.00 pm Australian Central Standard Time, Thursday 4th April 2013 THE OFFER f PEPS database with production, well, seismic A new petroleum exploration licence (PEL) in and engineering data (also downloadable the Otway Basin is being offered by the South from the DMITRE Petroleum website) Australian Government on the basis of work f company prospectivity reports (also program bidding (Fig. 1). Block OT2012-A covers downloadable from the DMITRE Petroleum 5800 sq km comprising partial relinquishments website via SARIG) from PELs 82, 154, 155, 186 and full SARIG (South Australia Resources Information relinquishment of PEL 187. Twenty two wells Geoserver) can be accessed by selecting SARIG have been drilled and 4468 line kilometres of 2D on the DMITRE Petroleum website <www. seismic data have been acquired within the block petroleum.dmitre.sa.gov.au>. SARIG provides (Figs 2, 3). an interactive map window to view, query and download data. More information on products PRODUCTS AND DATA and data can be accessed by selecting ‘Products and Data’ on the DMITRE Petroleum website A comprehensive summary of the Cooper and home page. Eromanga basins is available in The Petroleum Geology of South Australia Volume 1:Otway INTRODUCTION Basin (2nd Edition). This volume include chapters on structural and tectonic history, litho- and The Otway Basin is one of the best known and most actively explored of the series of Mesozoic biostratigraphy, source rocks and maturity, rift basins that span the southern coastline of reservoirs, seals, trap development, discovered Australia, and which were formed as a result reserves, field reviews, undiscovered potential, and of rifting between the Antarctic and Australian exploration history. The publication can alsobe plates (Fig. 4). downloaded via the DMITRE Petroleum website, and is also available for free on the Petroleum and Seismic studies have shown that its structural Geothermal in South Australia DVD. evolution is analogous to basins such as the Tucano–Reconcauo Basin of Brazil and the Previous exploration data and reports are readily Gabon and Cabinda basins of the west coast of available from DMITRE in digital format on Africa. Each of these basins contains at least one portable hard drives, including: giant oil field. f well completion reports (also downloadable The recent appraisal of the condensate rich from the DMITRE Petroleum website via Jacaranda Ridge Field has significantly upgraded SARIG) the Early Cretaceous in the basin. The main f GIS datasets including wells, seismic, risk factors are structural integrity and small tenements, pipelines targets; however, regional 3D seismic surveys are being used to address the first risk factor and f seismic survey shot point location data sophisticated fault leakage analysis of prospects f seismic survey reports and archive stack data is being conducted by some operators prior to (SEGY format) drilling. f digital well logs (DLIS/LIS format) The economic viability of small gas discoveries f velocity survey check shot information has been improved by the proximity to markets f structure maps and datasets for such discoveries, their potential use for Otway Basin OT2012-A 3 Otway Basin, South Australia PETROLEUM LICENCES PEL 127 . Kingston . )" PELA 610 PL13 . 37°0'S OT2012-A . Robe . PEL 186 . )" . PEL 494 . PEL 495 . PEL 186 . PEL 154 . PEL 255 Penola )" PL16 . PL19 . 168 . PL19 . 62 VICTORIA PL3202 )" . Otway Basin Beachport 37°30'S . PEL 155 PL4 . OT2012-A S12-4 . PEL 154 . PEL 496. Mount Gambier . )" . 21 . PEL 82 . 0 25 50 Kilometres . Datum GDA 94 - Projection MGA Zone 54 38°0'S . PEL. 82 PEL 496 . 139°30'E 140°0'E 140°30'E 141°0'E REG 204315-012 Petroleum tenements Petroleum wells . Acreage release block CO2 well Marla )" . )" Oodnadatta CO2 well with oil shows )" . Moomba Exploration licence (PEL) Dry hole )" . Coober Pedy Dry hole with oil shows Exploration licence application (PELA) . Gas shows )" Leigh Creek Production licence (PPL) Gas well . Ceduna Gas well with oil shows )" Port Retention licence (PRL) . Augusta )" Oil and gas well . Offshore acreage release block Oil and gas shows Oil well Port Lincoln )" . )" Proposed or currently drilling ADELAIDE Petroleum pipelines Pipeline licence (PL) – gas Otway Basin outline Park or reserve – Mount Gambier )" 250 km Otway Basin no petroleum exploration access Enlargement area Figure 1 Petroleum licences and OT2012-A acreage release Otway Basin OT2012-A 4 Otway Basin, South Australia PETROLEUM and GEOTHERMAL WELLS PEL 127 3 2 . Kingston . )" PELA 610 494 PL13 Sooc Bore 1 . Wanda 1 503 . 208 . Kingston Coal 207 359 499 . 240 . 37°0'S 520 OT2012-A . 209 . 533 Lucindale 1 . Trumpet 1 Camelback 1 . Churinga 1 Killarney 1 Bool Lagoon 1 1 DW1 . Robe . 2 PEL 186 Porthos 1 . )" . Robe 1 . Lake Hawdon 1 Robertson 1 . Penley 1 . Cowrie 1 1 DW1 . 2 . Greenways 1 . Killanoola South 1 Killanoola 1 Lake Eliza 1 Crankshaft 1 Killanoola Southeast 1 . PEL 494 Weatherall 1 Crayfish 1A . Neptune 1 . East Avenue 1 Sophia Jane 1 . Reedy Creek 1 PEL 495 . Viewbank 1 . Penola 1 . Sawpit 1 . PEL 186 Banyula 1 Patrick . 12 . Troas 1 PEL 154 . PEL 255 Penola )" St Clair 1 Diamond Swamp 1 Wynn 1 PL16 Pyrus 1 . 2 Zema 1 . PL19 . Chama 1A . Redman 1 5 Biscuit Flat 1 . Hungerford 1 . 3 . 2 Beachport . 1 4 62 168. PL192 . Laira 1 . Lake George 1 2 202 VICTORIA Hatherleigh 1 PL31 DW1 . Katnook 1 )" Mount Hope 1 Morum 1 . 2 3 . 4 Otway Basin Beachport . Salamander 1 37°30'S Heat Flow 11A . Rendelsham 1 . PEL 155 Trihi 1 9 PL4 . 8 Kalangadoo 1 . 7 . OT2012-A 3 4 . S12-4 . 5 . 3A . 2 . 2 . 3 . Copa 1 6 . Geltwood Beach 1 Tantanoola 2 . PEL 154 Burrungule 1 . PEL 496. Mount Gambier . Lake Bonney 1 . )" . McNamara Park 1 McNicol 1 McNamara 1 Kentgrove 1 . Caroline 1 3 . 21 . PEL 82 Argonaut 1A . 0 25 50 Kilometres . 2 4 5 Picks 1 3 . 2 . Robin Hood. 1 . Datum GDA 94 - Projection MGA Zone 54 38°0'S . PEL. 82 Little John 1 PEL 496 Douglas Point 1 2 . 139°30'E 140°0'E 140°30'E SAOW Caroline141°0'E 1 REG 204315-015 Petroleum tenements Petroleum wells . CO2 well Acreage release block . Marla )" )" Oodnadatta CO2 well with oil shows . Moomba )" Exploration licence (PEL) Dry hole . Coober Pedy )" Dry hole with oil shows Exploration licence application (PELA) . Gas shows Leigh Creek )" Production licence (PPL) Gas well . Gas well with oil shows Ceduna . )" Port Retention licence (PRL) Augusta )" Oil and gas well . Offshore acreage release block Oil and gas shows Oil well . Port Lincoln )" Proposed or currently drilling )" Petroleum pipelines ADELAIDE Pipeline licence (PL) – gas Geothermal wells . Abandoned well . Otway Basin outline Proposed or currently drilling Mount Gambier )" 250 km Otway Basin Enlargement area Park or reserve – Suspended well no petroleum exploration access Figure 2 Otway Basin petroleum and geothermal wells Otway Basin OT2012-A 5 Otway Basin, South Australia SEISMIC LINES Kingston )" PL13 37°0'S OT2012-A Robe )" Penola )" PL16 PL19 PL19 VICTORIA PL3 )" Beachport 37°30'S PL4 OT2012-A Mount Gambier )" Otway Basin 0 25 50 Kilometres Datum GDA 94 - Projection MGA Zone 54 38°0'S 139°30'E 140°0'E 140°30'E 141°0'E REG 204315-016 Petroleum tenements Seismic lines Acreage release block Pre 1980 Marla )" )" Oodnadatta 1980 to 1989 Moomba )" Exploration licence (PEL) 1990 to 1999 Coober Pedy )" Post 2000 Exploration licence application (PELA) Leigh Creek )" Production licence (PPL) Otway Basin outline Ceduna )" Port Retention licence (PRL) Augusta )" Park or reserve – Offshore acreage release block no petroleum exploration access Port Lincoln )" )" Petroleum pipelines ADELAIDE Pipeline licence (PL) – gas Mount Gambier )" 250 km Otway Basin Enlargement area Figure 3 Otway Basin seismic surveys coverage Otway Basin OT2012-A 6 139o 140o 141o LIMIT OF CRAYFISH GROUP 37o 37o LAKE LUCINDALE VICTORIA ELIZA HIGH TROUGH HIGH TRUMPET FAULT E B SOUTH AUSTRALIA RO ST C LAI ST R T Tartwaup Hinge CL ROUGH K PENOLA WOAKWINE AIR A KANAWINKA FAULT FAU LA TERRACE LT N G A HATHERLEIGH NE FAULT D BEACHPORT N. FAULT O CHAMA TERRACE O BEACHPORT F Ladbroke Grove field HIGH v A HATHERLEIGH SW FAULT U 34% CO v LT 2 Morum High v v S TROUGH RIVOLI v Y TROUGH v v ST v Kalangadoo 1 EM v v K v v AL AN BEACHPORT v GA Merino High SOUTH FAULT v B DO ur O RENDELSHAM r/G Morum Sub-basin HATHERLEIGH a HIGH mb HIGH 0 25 ie HIGH r Lin v eam KILOMETRES ent v TA v NT Mount Gambier AN OT2012-A OO release block Voluta v TROUGH LA Mount Schank Caroline 1 99% CO 2 38o Tertiary Troughs Coastal Hinge 38° Late Cretaceous Highs Portland Trough Outer Margin High Late Cretaceous Troughs Shelf Break Hinge Early Cretaceous Highs High Early Cretaceous Troughs Bridgewater Trough v Volcanics Otway Basin, South Australia STRUCTURAL ELEMENTS 141o 204315-014 Figure 4 Structural elements peak electricity generation opportunities in the 4, 6, 7) but have only been penetrated onshore.
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