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Type: Thesis
Title: Geological evaluation of the Eocene Latrobe Group in the offshore Gippsland Basin for CO₂ geosequestration.
Author: Root, Robert
Issue Date: 2007
School/Discipline: Australian School of Petroleum
Abstract: This study area for this research is characterised by a regional anticline plunging to the east-south-east with large-scale internal architecture comprising transgressive, retrogradationally stacked stratigraphy that dips gently landward and is unconformably truncated by overlying sealing units. The primary reservoir/aquifer targets for CO₂ injection are palaeo-shoreline parallel nearshore sandstone bodies characterised by high porosity and permeability and good interconnectivity. The key regional sealing unit is the Lakes Entrance Formation, which consists of mudstone and marl capable of sealing large columns of CO₂. The proposed stategy for CO₂ geosequestration is to inject CO₂ outside four-way structural closure to allow up-dip fluid migration to the north then west governed by the structure of regional sealing units. Probabilistic estimates of CO₂ capacity utilising the proposed strategy indicate that 1395-2575 Mtonnes could be sequestered.
Dissertation Note: Thesis (Ph.D.) -- University of Adelaide, Australian School of Petroleum, 2007
Keywords: carbon dioxide environmental aspects Australia; carbon sequestration Australia
Provenance: Copyright material removed from digital thesis. See print copy in University of Adelaide Library for full text.
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