Building an Unconventional Gas Business in Australia: AWE Strategy for the Perth Basin, WA DUG Conference, Brisbane, 2013
Talk Outline 1. Basin Setting 2. The AWE Advantage 3. Evaluation Steps: Play Concept to Commercial Development 4. Conclusions 3
Perth Basin Unconventional Context Shale Gas resource potentially large but likely to be lower than other basins Tight Gas Sands more immediate commercial target (cf. US experience) AWE Strategy to progressively build a material…
Geological Setting W Beagle Ridge Dandaragan Trough E Urella Fault 4 km Darling Fault N-S Trending Basin onshore covering c. 50,000 km2 Tectonic History has 2 periods of Rifting followed by Uplift & Erosion: Early…
Unconventional Targets GSWA Record 2003/4 Leads and prospects within tenements of the northern Perth Basin, W.A., 2002 Kockatea Shale < 500m CRETAC- PERIOD MAIN SOURCE EPOCH STRATIGRAPHY RESERVOIR HYDROCARBONS PROSPECTS…
Perth Basin the AWE Advantage Extensive Acreage - 3,400 Km2 in 10 Corybas Licences. Basin Dominant Position for Conventional & Unconventional Plays. Conventional Oil & Gas Plays are Mature. Moderate remaining prospectivity.…
Unconventional Evaluation Steps Step Purpose 1. Regional Studies Play Definition Play Extent Play Ranking License Capture 2. Exploration Core Net Thickness Holes with selective TOC & Kerogen Type stimulation & testing…
Evaluation Steps AWE Progress Step Progress Purpose Status 1. Regional Studies 75% Play Definition Preliminary Assessment completed. Play Extent More work required to define potential sweet Play Ranking spots associated with…
Tight Gas & Shale Gas Data Base 100 historical wells to provide control on stratigraphy, depth and thickness of key formations. Corybas Senecio 2 c. 5 wells have extensive core for Tight Gas reservoir description Shale core coverage…
Unconventional Project Test Data Senecio (22 August 2012) Project Interval Max Flow Rate mmscf/d Corybas 1 Irwin River Coal Measures 4.5 Senecio 2 Dongara Sandstone 1.35 Woodada Deep 1 Carynginia Shale RTSM Kockatea Shale 0.4…
Pilot Production is Critical DSTs (pre & post-stimulation) useful for Actual Forecast permeability & composition but difficult to extrapolate to full field performance. Vertical Pilot Production Corybas 1 Extended testing & pilot…
North & South Gas Hubs AWE Owned Historical Hub Facility Constructed Throughput Status Northern Dongara 1970 95 mmscf/d Online Xyris 2005 10 mmscf/d Care & Maintenance Southern Woodada 1980 25 mmscf/d Care & Maintenance Parmelia…
Exploration to Development Planning Detailed planning to take opportunities from Exploration to Development. Multi-stage programs prepared to quantify & de-risk specific projects. Clear GO/STOP points to control investment…
Conclusions AWE has ambitions to build a material domestic gas business from Unconventional Plays in the Perth Basin A clear Exploration to Development Plan is in place to guide key investment decisions for specific projects…
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