Cooper Basin CO2012-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 Cooper Basin . 7 Eromanga Basin . 7 Lake Eyre . 7 SOURCE ROCKS . 9 Cooper Basin . 9 Eromanga Basin . 9 RESERVOIRS AND SEALS . 10 TRAPS . 10 Warburton Basin . 10 Cooper Basin . 10 Eromanga Basin . 11 EXPLORATION POTENTIAL . 11 Block CO2012-A . 11 Birkhead Channel Play — Eromanga Basin . 11 Conventional four-way dip closures — Cooper Basin . 12 Merrimelia Formation shale play — Cooper Basin . 12 INFRASTRUCTURE AND TRANSPORT . 12 LAND ACCESS . 13 National parks and reserves . 13 Environmental regulation . 13 Heritage and land access . 13 Geothermal Exploration Licences . 16 Associated Activities Licences . 16 CLIMATE AND LAND USE . 16 BIDDING AND AWARD PROCESS . 18 CONTACT INFORMATION . 18 REFERENCES . 18 Cooper Basin CO2012-A 2 South Australia COOPER BASIN Acreage Release Block CO2012-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) and engineering data (also downloadable in the Cooper and Eromanga Basins is being from the DMITRE Petroleum website) offered by the South Australian Government f company prospectivity reports (also on the basis of work program bidding (Fig. 1). downloadable from the DMITRE Petroleum Block CO2012-A comprises two areas totalling website via SARIG) 391.8 sq km relinquished from PEL 111 on the SARIG (South Australia Resources Information western margin of the Patchawarra Trough. One Geoserver) can be accessed by selecting SARIG well (Darter 1) has been drilled and 581 line on the DMITRE Petroleum website <www. kilometres of 2D seismic data have been acquired petroleum.dmitre.sa.gov.au>. SARIG provides within the block (Fig. 2). an interactive map window to view, query and download data. The map window is useful for PRODUCTS AND DATA viewing wells, seismic lines, tenements, land A comprehensive summary of the Cooper and access etc over the various Cooper Basin depth, Eromanga basins is available in The Petroleum time and isopach images. Geology of South Australia volumes 2 (Eromanga More information on products and data can be Basin) and 4 (Cooper Basin). These volumes accessed by selecting ‘Products and Data’ on the include chapters on structural and tectonic DMITRE Petroleum website home page. history, litho- and biostratigraphy, source rocks and maturity, reservoirs, seals, trap development, INTRODUCTION discovered reserves, field reviews, undiscovered The Cooper Basin is a Permo-Carboniferous potential, and exploration history. The to Triassic intracratonic basin located 800 km publications can be downloaded via the DMITRE north of Adelaide, extending into southwest Petroleum website, and are also available for Queensland (Gravestock et al., 1998). It is free on the Petroleum and Geothermal in South overlain by the prospective Jurassic to Cretaceous Australia DVD. intracratonic Eromanga Basin which extends Previous exploration data and reports are readily of much of central-eastern Australia (Cotton available from DMITRE in digital format on et al., 2006). The Cooper and Eromanga portable hard drives, including: basins collectively contain up to 3700 m of f well completion reports (also downloadable predominantly fluvial, glaciofluvial, lacustrine from the DMITRE Petroleum website via and deltaic sediment with some Cretaceous SARIG) marine sediments (Fig. 3). Targets are 1200– 3700 m deep. The Cooper and Eromanga basins f GIS datasets including wells, seismic, lie unconformably over early Palaeozoic marine tenements, pipelines sediments of the Warburton Basin and Mid- f seismic survey shot point location data Carboniferous Big Lake Suite granite, which f seismic survey reports and archive stack data is currently being evaluated as a source of (SEGY format) geothermal energy (e.g. Wyborn, et al., 2004; f digital well logs (DLIS/LIS format) Wyborn, 2008). f velocity survey check shot information The Cooper Basin and overlying Eromanga f structure maps and datasets Basin is Australia’s largest and most mature Cooper Basin CO2012-A 3 Cooper and Eromanga Basins, South Australia PETROLEUM LICENCES QUEENSLAND ") Darwin 568 NORTHERN TERRITORY 569 QUEENSLAND WESTERN 87 AUSTRALIA 88 ") Brisbane SOUTH AUSTRALIA NEW SOUTH WALES Perth ") Adelaide ") ") Sydney VIC ACT 1000 km ") 570 Melbourne TAS ") Hobart 424 110 444 290 PL20 ! 90 514 90 100 ! 102 101 !! ! 570 514 182 102 Petroleum tenements !!! CO2012-A 101 ! 101 101! !! Acreage release block 111 ! 101 ! ! 101 ! CO2012-A 570 103 Exploration licence (PEL) 331 ! 102 105 ! ! 514 Exploration licence application (PELA) 512 ! 104 513 91 105 Production licence (PPL) 104 105 PL18 ! Innamincka PL5 Production licence application (PPLA) ! ! )" ! ! ! ! ! 218 Retention licence (PRL) ! ! ! ! ! ! Retention licence application (PRLA) ! ! 106 ! 92 ! !! ! ! ! ! ! ! 513 ! ! 516 115 Petroleum pipelines ! Moomba )" 115 Pipeline licence (PL) – gas ! ! PL17 71 107 ! ! 512 ! 513 516 Pipeline licence (PL) – gas and liquids PL15 Pipeline licence (PL) – liquids 115 115! 516 PL9 516 !! ! Discoveries 2002 – 2012 112 516 114 ! ! !! ! !!! ! ! Oil ! 516 ! !! 115 93 ! ! !! !! ! ! ! !! ! ! ! ! ! 113 ! !115 115 Gas ! 115 515 ! 516 ! 516 !! 115 !! !! 516 516 PLs Cooper Basin subcrop limit 7,8 ! Coongie Lakes control zone – 95 no access 94 515 560 0 25 50 Kilometres Datum GDA 94 - Projection MGA Zone 54 96 575 PL2 PL1 WALES SOUTH NEW 607 146 133 REG 204315-003 Figure 1 Petroleum licences Cooper Basin CO2012-A 4 139°30'E 139°45'E 140°0'E 340000 360000 380000 400000 27°0'S 27°0'S PEL 444 PEL 424 . 7000000 7000000 . 27°15'S 27°15'S CO2012-A 6980000 6980000 PEL 182 PELA 512 . PEL 111 . CO2012-A . Darter 1 6960000 PEL 105 6960000 27°30'S . 27°30'S Hoolendinnie 1 . PEL 514 Darter 1 . PEL 104 . PELA 513 . PEL 91 . PEL 104 . 6940000 6940000 . 27°45'S . PELA 513 . 27°45'S . PEL 106 . 6920000 6920000 . PEL 92 . 340000 360000 380000 400000 REG 204315-008 139°15'E 139°30'E 139°45'E 140°0'E Petroleum tenements Petroleum pipelines Parks with petroleum exploration access Acreage release block Production licence (PPL) Gas Gas and liquids Parks with no petroleum Exploration licence (PEL) Production licence exploration access application (PPLA) Liquids Exploration licence Liquid trunkline Ramsar site application (PELA) Retention licence (PRL) 0 5 10 15 km Gas trunkline GDA 94 – MGA Zone 54 Seismic coverage Petroleum wells . 2 dimension Cooper and Eromanga basins, Dry hole Gas well with oil shows . 3 dimension South Australia Dry hole with oil shows Oil and gas well . Gas shows Oil well Cooper Basin Permian edge ACREAGE RELEASE . Proposed or currently drilling Gas well Top Nappamerri subcrop edge CO2012-A Figure 2 CO2012 acreage release Cooper Basin CO2012-A 5 onshore hydrocarbon province, AGE supplying major south-eastern DEPOSITIONAL ZONE ROCK UNIT Australian gas markets since SERIES STAGE ENVIRONMENT SYSTEM LITHOLOGY 1969 and producing oil since PALYNOLOGICAL 1982. The Cooper Basin Liquids LAKE EYRE BASIN ZOIC Project (1980–84) was initiated CENO- to market the oil and existing gas liquids. A liquids pipeline links Moomba to a processing plant Late Winton Formation Non-marine to and storage and export loading marginal marine Mackunda Formation Marginal marine Oodnadatta Allaru Mudstone Marine facilities at Port Bonython. Formation Restricted marine - stratified and anoxic Toolebuc Fm Regressive marine Coorikiana shoreface Over 2000 exploration and Sandstone WALLUMBILLA Open marine Early Bulldog Shale FORMATION transgressive development wells have been CRETACEOUS Wyandra Sandstone Non-margin to drilled and over 75 829 km Mbr marginal marine Cadna-owie Formation 2 Murta Formation Lacustrine turbidites, 2D and 8882 km 3D seismic deltas. Shoreface facies McKinlay Mbr Braided-meandering recorded. Estimated total Namur Westbourne Fm fluvial Sandstone Adori Sandstone EROMANGA BASIN cumulative product sales to Late Birkhead Fluvio-lacustrine Formation backswamp end June 2012 are: 5.05 tcf Braided fluvial with Sandstone Algebuckina Hutton aeolian influence of sales gas, 77 mmboe of Middle Sandstone condensate, 158.0 mmbbl of oil Poolowanna Meandering- JURASSIC anastomosing fluvial and 78.2 mmboe of LPG. Annual Formation petroleum production and the Early value of sales since 1970 are Norian to PT5 Cuddapan Formation Floodplain. Rhaetian Meandering fluvial Late shown in Figure 4. Oil production Carnian PT4 was declining until 2002 when Sinuous meandering Ladinian PT3 Tinchoo Fm streams. Fluvio-lacust. Middle 100 m new discoveries caused a Anisian Wimma100 m Braided fluvial channel belt and floodplain resurgence of drilling activity and Sandstone PT2 Mbr Paning Arrabury exploration success, while gas TRIASSIC Mbr Early Scythian 150 m Formation sales peaked in 1989 and have Floodplain, lacustrine, PT1 Callamurra palaeosols, Member moderate/sinuosity been declining since 1998. GROUP NAPPAMERRI fluvial channels. PP6 125 m Tatarian Meandering fluvial, Toolachee Formation deltaic in part Exploration drilling has produced PP5 160 m Late Kazanian Daralingie unconformity a steady stream of discoveries Daralingie Ufimian Formation Fluvio-deltaic since the discovery of gas in PP4 Lacustrine 1963 as indicated by the world Kungurian Roseneath Shale Fluvio-deltaic, local class exploration success