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VLAMING SUB-BASIN, PERTH BASIN, WESTERN AUSTRALIA

The Vlaming Sub-basin is located along the southwestern coast of Australia and the major Middle Jurassic–Early Cretaceous depocentre of the offshore Perth Basin, located along the southwestern coast of Australia. Water depths range from approximately 20 to 200 m over much of the release areas. Close to existing Western Australian infrastructure, the sub-basin has extensive seismic coverage with moderate petroleum well distribution. The potential storage styles include fault bounded dry structures and stratigraphic traps within multiple stratigraphic levels, as well as, long distance dissolution/residual trapping in regional sand bodies.

Reservoir:   Gage Sandstone, Charlotte Sandstone, Jervoise Sandstone and the upper part of the Yarragadee Formation.
Seal:            Local, intra-formational seals including the South Perth Shale, Carnac Formation and Otorowiri Formation (Parmelia Group).
Trap:            Multiple structural and stratigraphic traps and migration dissolution/residual trapping.

Refer to Causebrook et al., 2007 for stratigraphic information.

VLAM-01 AND VLAM-02, Vlaming Sub-basin, Perth Basin

VLAM-01 and VLAM-02 are located in the central part of the Vlaming Sub-basin, between 6 km and 75 km offshore of Perth (Figure 1).

Release area VLAM-01 covers an area of about 2410 square kilometres and 33 graticular blocks (Figure 2). Release area VLAM-02 covers an area of approximately 3345 square kilometres and 47 graticular blocks, or parts thereof (Figure 2).

Overlapping Petroleum Exploration Title

Figure 1.  Location map of offshore Greenhouse Gas Storage release areas for Assessment VLAM-01 and VLAM-02, Vlaming Sub-basin, Perth Basin.