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Geochemical Characterisation of Gases, Fluids and Rocks in the Harvey-1 Data Well

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Geochemical Characterisation of Gases, Fluids and Rocks in the Harvey-1 Data Well PETROLEUM AND GEOTHERMAL PORTFOLIO Geochemical characterisation of gases, fluids and rocks in the Harvey-1 data well Final Report to ANLECR&D Project 7-1111-200 Linda Stalker, Ryan Noble, David Gray, Christine Trefry, Sunil Varma, Andrew Ross, Stephen Sestak, Stephane Armand, Se Gong. EP135208 August, 2013 CSIRO Earth Sciences and Resource Engineering, PO Box 1130, Kensington WA 6151, Australia Citation Stalker, L., Noble, R., Gray, D., Trefry, C., Varma, S., Ross, A., Sestak, S., Armand, S, Gong, S. 2013. Geochemical characterisation of gases, fluids and rocks in the Harvey-1 data well. CSIRO Report Number EP135208 Copyright and disclaimer © 2013 CSIRO To the extent permitted by law, all rights are reserved and no part of this publication covered by copyright may be reproduced or copied in any form or by any means except with the written permission of CSIRO. Important disclaimer CSIRO advises that the information contained in this publication comprises general statements based on scientific research. The reader is advised and needs to be aware that such information may be incomplete or unable to be used in any specific situation. No reliance or actions must therefore be made on that information without seeking prior expert professional, scientific and technical advice. To the extent permitted by law, CSIRO (including its employees and consultants) excludes all liability to any person for any consequences, including but not limited to all losses, damages, costs, expenses and any other compensation, arising directly or indirectly from using this publication (in part or in whole) and any information or material contained in it. ANLEC project 7-1111-200 Geochemical characterisation of gases, fluids and rocks in the Harvey-1 data well Contents Acknowledgments ............................................................................................................................................. vi Executive summary........................................................................................................................................... vii Reviewer Comments with Author’s Response .................................................................................................. ix 1 Introduction .......................................................................................................................................... 1 1.1 Geochemical Investigation of the Harvey-1 Well ....................................................................... 1 1.2 Harvey-1 well location and South West CO2 Geosequestration Hub Project ............................. 1 1.3 Purpose of this study .................................................................................................................. 4 2 Organic geochemistry of gas and liquid fractions relating to the South West Hub and Harvey-1 ....... 7 2.1 Introduction ................................................................................................................................ 7 2.2 Geochemistry of gases from CSBP and BOC ............................................................................... 7 2.3 Results from the Feedstock Gases from CSBP and BOC ........................................................... 10 2.4 Gas analysis summary ............................................................................................................... 13 2.5 Organic Geochemistry of liquids ............................................................................................... 14 2.6 Introduction .............................................................................................................................. 14 2.7 Results from the liquid samples extracted from the core and drilling fluids ........................... 22 2.8 Summary of organic liquids investigation ................................................................................. 30 3 Inorganic Geochemistry ...................................................................................................................... 31 3.1 Background ............................................................................................................................... 31 3.2 Results of inorganic geochemistry of the water samples ......................................................... 33 3.3 Summary ................................................................................................................................... 41 4 Modelling of Potential Reactivity ........................................................................................................ 42 4.1 Background ............................................................................................................................... 42 4.2 Solution Interaction Modelling ................................................................................................. 42 4.3 Summary ................................................................................................................................... 54 5 Core Flooding Analysis ........................................................................................................................ 55 5.1 Introduction .............................................................................................................................. 55 5.2 Laboratory analyses .................................................................................................................. 57 5.3 Results of the analysis of core flood effluents .......................................................................... 57 5.4 Summary ................................................................................................................................... 67 6 Conclusions, Recommendations and Lessons Learned ....................................................................... 69 References ........................................................................................................................................................ 73 Appendix A Results in Full for Organic Geochemical Analysis of Gas Samples ............................................ 75 Appendix B Images of Cores, Extracts and Sleeves ...................................................................................... 76 Appendix C GC-FID Chromatograms of Core Extracts from the Selected Cores ......................................... 80 Appendix D GC-FID Chromatograms of Drilling Fluid Extracts ..................................................................... 84 Appendix E Selected Tabulated Data from Core Flooding of sample 206660H .......................................... 87 ANLEC project 7-1111-200 Geochemical characterisation of gases, fluids and rocks in the Harvey-1 data well | i Figures Figure 1 Location Map of the South West Hub Project with location of Harvey-1 well marked. The project location is also shown in context with the rest of Australia (inset) where the location of the Gorgon CCS project is also marked. ....................................................................................................................................... 2 Figure 2 (a) Location of the Harvey-1 well near Harvey, WA. (b) 2D seismic line illustrating 3km depth intersection with base of the Lesueur Formation. ............................................................................................. 3 Figure 3 Stratigraphic column of the Southern Perth Basin, including the key area of interest marked in red of the Triassic aged Lesueur Formation overlain by the Cockleshell Gully Formation. Crostella and Backhouse, 2000. ................................................................................................................................................ 4 Figure 4 Illustration of the carbon isotopic composition of the CO2 from BOC to be transported to Alcoa and the test site at the SW Hub (in red). Dark blue bars indicate ranges in carbon isotopes of a variety of materials. .......................................................................................................................................................... 13 Figure 5 Block diagrams to illustrate the sedimentary depositional environment and architecture of lithofacies Ai-G from Delle Piane et al. (2013). After Miall (1996). .................................................................. 17 Figure 6 A summary of the lithofacies scheme developed for the Mesozoic stratigraphy of the central Perth Basin. (A) Graphical sedimentary logs and descriptions. (B) Example core photographs from Harvey-1 for each of the lithofacies examples depicted in the graphical log. Figure courtesy of Delle Piane et al. (2013). ............................................................................................................................................ 18 Figure 7 A summary of the lithofacies scheme developed for the Mesozoic stratigraphy of the central Perth Basin. (A) Graphical sedimentary logs and descriptions. (B) Example core photographs from Harvey-1 for each of the lithofacies examples depicted in the graphical log. Figure courtesy of Delle Piane et al. (2013). ............................................................................................................................................ 19 Figure 8 Photograph of the first batch of drilling mud samples received from GSWA. Note the differences between the two 900m mud samples provide at the back left of the photograph. ........................................ 21 Figure 9 Whole oil GC of extract
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