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The Wunger Ridge area (60 km by 40 km; southwest Bowen Basin) was considered too large to run a full reservoir simulation at an appropriate resolution. A small 29.5 km by 10 km area on the Wunger Ridge flank contained many of the geological and hydrological elements expected to be found along the western flank of the Bowen Basin, and as such, results were deemed potentially transferable to other areas of the basin. Simple 2D and 3D geological models were built and reservoir simulations were run using multiple scenarios to provide the greatest amount of understanding of the more significant factors affecting the behaviour of CO 2 in the subsurface. This report principally focuses on the geology, hydrodynamics, geophysics, and reservoir engineering aspects of the Wunger Ridge flank site. The report also summarises the geoscientific findings of the regional evaluations. 4
2. Geographical and Industrial Setting 2.1. Setting The Bowen Basin is a mature hydrocarbon basin located in eastern central Queensland. The Basin extends from just south of Townsville to beyond the Queensland–New South Wales border, and stretches from Moura to west of Springsure or Moonie to east of St George, covering approximately 150,000–200,000 km 2 (Figure 2.1). Figure 2.1. Location map showing key study areas and features in southeast Queensland. a) Denison Trough, b) east Bowen Basin (Burunga Anticline/Dulacca area and NE Bowen Basin), c) Wunger Ridge and flank (Roma Shelf to the north, d) southeast Bowen Basin (for a closer view of assessed areas (a – d) see Figure 2.2). The Brisbane (including Tarong and Rockhampton–Gladstone) region emits a significant quantity of CO 2 . Combined, Queensland emitted 145.1 Mt (million tonnes) or 2.73 TCF (trillion cubic feet) of CO 2 for 2002 (Australian Greenhouse Office, 2005). 5
Page 1: Site Specific Studies for Geologica
Page 4 and 5: Cooperative Research Centre for Gre
Page 6 and 7: 5.7. Chapter References ...........
Page 8 and 9: Tables Table 2.1. Physical properti
Page 10 and 11: Figure 6.19. Photograph of Harbour-
Page 13 and 14: Executive Summary The GEODISC progr
Page 15: 1. Introduction Significant debate
Page 19 and 20: Figure 2.2. Close-up images of stud
Page 21 and 22: 10000 1000 AOI for carbon dioxide i
Page 23 and 24: l l 145° 150° l Moranbah Long rea
Page 25 and 26: Table 3.1. Summary of the key risk
Page 27 and 28: 3.1.11. Lakefield Basin. The Lakefi
Page 29 and 30: GEODISC concluded that the Drummond
Page 31 and 32: The Denison Trough is a western ext
Page 33 and 34: Figure 3.5. Structure of the Deniso
Page 35 and 36: Figure 3.7.Schematic geological cro
Page 37 and 38: • A comprehensive set of wells an
Page 39 and 40: sandstone of the Bundamba Group, Cl
Page 41 and 42: Figure 4.1. Location of all wells u
Page 43 and 44: 5. Bowen Basin Summary Reviews 5.1.
Page 45 and 46: 5.4. Southeast Bowen Basin Study Ar
Page 47 and 48: 5.4.2. Seismic Data Seven horizons
Page 49 and 50: 5.6. Northeast Bowen Basin Study Ar
Page 51 and 52: 6. Southwest Bowen Basin Study Area
Page 53 and 54: Basement (BASE) The BASE horizon is
Page 55 and 56: 6.1.4. Mapping Time structure, dept
Page 57 and 58: Figure 6.1. Seismic sections across
Page 59 and 60: 0 TWT ~ Depth (SRD = 244m) TWT (ms)
Page 61 and 62: Figure 6.7. BANDANNA-to-SHOWGROUNDS
Page 63 and 64: Maps and Basin Fill The Basement to
Page 65 and 66: Showgrounds Sandstone/Snake Creek M
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Using this method there is a potent
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6.3.4. X-ray Diffractometry X-ray D
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and permeability are sedimentary fa
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Cores from wells located on the Wun
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Many of the wells in the central pa
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Figure 6.24. Core description of th
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oreholes. Depositional processes in
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Figure 6.30. Photograph of Rednook-
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Figure 6.32. Relative palaeo-water
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associated with the increase in tot
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The interpretation of multiple chan
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Beyond the meandering system, a del
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c) 148°00' 148*20' 148°40' 27°20
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The ductility and compressibility o
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148:30 149:00 149:30 N Depth toTop
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The only recent well with reasonabl
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Rewan Formation- Showgrounds Sandst
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For a simplified model, as used in
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Table 6.5. Reservoir properties. Pr
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6.7.4. Simulation Results Prelimina
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• it is difficult to quantify the
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Brakel et al., (in press), In Korsc
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7. Summary and Implications - South
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8. Recommendations- Southeast Queen
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9. Acknowledgements The project gro
Page 117 and 118:
List of authors Note: (main authors
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