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CSIRO – Technology for a Sustainable Energy Future
Figure 1: Quantitative Grain Fluorescence and Total Scanning Figure 2: Results of a Sedsim Simulation Showing How the
Fluorescence Spectra Depicting the Presence of Oil Different Grain Types Vary
QGF spectrum
800
600
400
Intensity (pc)
200
0
300 350 400 450 500 550 600
Wavelength (nm)
Figure 3: CSIRO Petroleum Techniques Have Been Applied to
Some of the Major Petroleum Basins in China
present and indicates where oil is likely to have formed, migrated used the software to predict the distribution of reservoir rocks,
and potentially accumulated (see Figure 2). The in-house techniques recently received a research excellence award from PetroChina.
provide information on the presence and types of hydrocarbons and
are being applied to understand oil generation, migration and Through the alliance, PetroChina also has access to the CSIRO-
accumulation events and petroleum charge history. The additional developed fluorescence alteration of multiple macerals (FAMM)
benefits of the techniques are that they have low costs and involve technology, designed to solve widespread problems in thermal
short turnaround times, enabling companies to analyse more maturity evaluation to improve petroleum-generation models.
samples than conventionally possible in a shorter time, which is FAMM yields measurements of fluorescence emission of individual
significant for oil and gas exploration programmes. organic components (macerals) over time. These measurements
relate to the chemistry and, consequently, the thermal maturity level
The Sedsim modelling software is another CSIRO-evolved technology of the rock. Increased amounts of oil generation indicated by FAMM
that has been used in the Tarim Basin in West China. This software analysis compared with conventional analysis could be the difference
package determines how sediments change in space and time by between economical and non-economical acreage.
recreating the way sedimentary systems were deposited, eroded and
reworked, and predicting how they will evolve in the future. Sedsim CSIRO is continually providing innovative solutions to improve the
operates by modelling physical processes such as fluvials, wave efficiency of petroleum exploration and production, largely through
effects, storms, ocean currents, carbonate growth, tectonics, reducing exploration risk. CSIRO continues to collaborate and operate
isostasy, turbidites, compaction and sea-level changes that deposit with Australian and international research institutions, universities,
or erode sediments. The versatile program models fluid flows at grid governments and industry to ensure its research and development
scales from 2.5cm through to 5km and at time scales ranging from programmes are aligned with and address industry and community
4 hours to 60 million years (see Figure 3). It has been widely used in needs and challenges. ■
the oil industry to predict how sediments are distributed between
wells; however, it also has applications in modelling the effects of Acknowledgements
the modern environment and the role of climate change in With acknowledgements to Dr Beverley Ronalds, Dr Cedric Griffiths
Australia’s exclusive economic zone. The Tarim Basin project, which and Dr Neil Sherwood, CSIRO Petroleum Resources.
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EXPLORATION & PRODUCTION – VOLUME 7 ISSUE 1
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