Fluid inclusion stratigraphy in the Gippsland Basin: implications for geological carbon storage

Category: Special Publications	Product Code: MP-R-167964
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Executive Summary This report outlines the results obtained from fluid inclusion stratigraphy (FIS) analysis on cutting samples from twelve petroleum wells in the Gippsland Basin. The project was undertaken by Geological Survey of Victoria (GSV).

Geological Survey of Victoria commissioned 4,302 new FIS analyses on cuttings samples from twelve petroleum wells in the Gippsland Basin. The wells analysed were Baudin-1, Boundary Creek-2, Dolphin-1, Duck Bay-1, Dutson Downs-1, East Reeve-1, Flying Fish-1, Seacombe South-1, Tommyruff-1, Wasabi-1, West Seahorse-1 and Wrixondale-1.

The samples were analysed by Fluid Inclusion Technologies using a proprietary rapid analytical technique that produces data regarding the volatile compound composition of sub-surface fluids. These data can be used not only to inform regional hydrocarbon charge models, but outcomes from FIS also have important implications for petroleum production and exploration activities within the Gippsland Basin.

The information compiled in this report focuses on four key outcomes derived from FIS:
1. petroleum indications, type and quality
2. proximal pay indications
3. evidence for potential seals
4. evidence for bacterial and/or thermal alteration.

Each of these four outcomes is presented in the context of the geographic location of the wells analysed within the Gippsland Basin. The selected areas include the northern onshore (including the Northern Terrace and Northern Platform), the Rosedale Fault region (including the onshore and the nearshore) and the southern nearshore (including the Southern Terrace). This regional FIS investigation provides a framework which will be useful not only for the purposes of geological carbon storage within the Gippsland Basin, but also for future regional assessments of hydrocarbon potential, migration pathways and reservoir and seal characteristics.

Download The downloadable version of this report is supplied in ZIP/PDF format (4.23MB).
The accompanying individual well reports for Baudin-1, Boundary Creek-2, Dolphin-1, Duck Bay-1, Dutson Downs-1, East Reeve-1, Flying Fish-1, Seacombe South-1, Tommyruff-1, Wasabi-1, West Seahorse-1 and Wrixondale-1 are also available for download and are supplied in PDF format as a large zip file (49.27MB).

Bibliographic Reference MIRANDA, J.A., HALL, D.L., O’BRIEN, G.W., PHIUKHAO, W.,GOLDIE DIVKO, L.M., CHAO, J.C., CAMPI, M.J. EID, R. & TINGATE, P.R., 2013. Fluid inclusion stratigraphy in the Gippsland Basin: implications for geological carbon storage. Department of Primary Industries.