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PESA Vic-Tas May Technical Meeting and Branch Annual General Meeting

Wednesday, 22 May, 2019 @ 12:00 pm - 2:00 pm


Guest Speaker: Dr Jarrod Dunne, Karoon Energy Limited

Dr Jarrod Dunne is the Group Geophysical Specialist at Karoon Energy and the founder of QIntegral, a new Melbourne-based geophysical service provider. He has 20+ years of experience in seismic amplitude interpretation, reservoir characterisation and seismic processing, with experience in a large number of basins throughout the world, having worked for Shell, Woodside and a number of smaller oil companies too. Jarrod has remained actively involved in R&D through involvement in software development and post-graduate student supervision. He is an active member of ASEG where he champions the ASEG/PESA Young Professional special interest group.

Some oil and gas fields (e.g., Pluto/Wheatstone), and many yet to be found fields, lie beneath areas where the sea-floor bathymetry changes rapidly. This has caused nightmares for many seismic processors since the 1990s and still causes problems for seismic interpreters today. Some new seismic processing and acquisition technologies offer potential solutions but probably not without substantial geological input into the velocity model building. In fact, there’s even more to the problem than just geology! An understanding of carbonate rock physics, geomechanics and potential fields is required to put yourself in the best possible position for improving seismic imaging below rugose sea-floors.

Integrating these diverse topics into a seismic processing scheme can be seen in an example from the outer Browse Basin, using the Kraken 3D survey, which had previously been processed (unsatisfactorily) a few times. A home-grown method for building a velocity model to initiate prestack depth migration imaging was built by many hands and delivered a stunning improvement in data quality. Sadly, it also appears to have killed a prospect. But perhaps it will bear fruit somewhere else soon.


Wednesday, 22 May, 2019
12:00 pm - 2:00 pm
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  • Venue

    Henry & The Fox
    525 Little Collins Street
    Melbourne, Victoria 3000 Australia


    (03) 8199 0317

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