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OLYMPUS

Australia: North Carnarvon BasinOlympus Multi-Client 3D Broadband Seismic Reprocessing

The Olympus Broadband Reprocessed 3D project is a large, seamlessly-merged seismic dataset providing broadband pre-stack time (PSTM) and pre-stack depth migration (PSDM) products over the North Carnarvon Basin of the Australian NW Shelf.

This project is entirely supported and funded by industry and will provide, for the very first time, coherent regional 3D seismic imaging of one of the most prolific hydrocarbon trends on this shelf. It will serve as an exploration framework for extending viable play fairways to the under explored surrounding areas and will facilitate future successful exploration efforts.

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Drop Bear PSDM

Foxhound

Zeus

Pha

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Rose

3D

MSS

Mov

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3D M

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Bana

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Zeus Phase I 3D

Artemis 3

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MEO North

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Shelf 3

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Rosie

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Keast 3D MSS

Pegasus 3D MSS

Zeebries 3D

Judo 3D MSS Mutiny 3D MSS

Dementer 3D MSS

Dampier East 3

D MSS

WA-529-PCHEVRON NV

WA-525-PBP

WA-528-PCHEVRON NV

WA-500-PFINDER EX7

WA-36-LCHEVRON

WA-387-POCTANEX EX

WA-389-PCUE

WA-468-PFINDER 14

WA-482-PQUADRNT NW

WA-524-PCARNARV PT

WA-499-PQUADRNT NW

WA-404-PWOODSIDE G

WA-39-LCHEVRON

WA-530-PCHEVRON NV

WA-359-PCUE

WA-515-PTAP

WA-452-PSANTOS OFF

WA-409-PBP

WA-191-PSANTOS

WA-457-PFLOW EN

WA-54-LSANTOS

WA-49-L JulimarWOODSD JU

WA-412-PFINDER EX9

WA-458-PLIGHTMARK

WA-42-RCHEVRON

WA-356-P(a)WOODSD JU

WA-04-L(a) AngelWOODSIDE G

The Olympus Broadband 3D project is comprised of 20 existing 3D seismic datasets including Spectrum’s own Zeus Phase 1, Zeus Phase 2 and Zeebries 3D surveys.

All surveys have been processed as one volume from field tapes through a comprehensive broadband PSTM and PSDM flow. This provides a complete, unified, dataset covering a complex geological region of the North Carnarvon Basin, giving a total volume of over 21,300 km².

PSTM and PSDM data is available for immediate delivery.

DROP BEAR

ZEUSPHASE 1

ZEEBRIESZEUSPHASE 2

Modern Multi-Client 3D Olympus 3D 2D Broadband Reprocessing Licensed Blocks 2018 Acreage Release 2017 Acreage release

Legend

Olympus 3D

OLYMPUS

Coverage of the Olympus 3D Broadband Project comprises 20 existing 3D datasets.

in association with

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For more information please contact Spectrum’s Multi-Client sales teams:

United Kingdom Spectrum Geo Ltdt: +44 1483 730201 f: +44 1483 762620 e: mc-uk@spectrumgeo.com

United StatesSpectrum Geo Inct: +1 281 647 0602f: +1 281 589 8111e: mc-us@spectrumgeo.com

NorwaySpectrum ASAt: +47 230 14960f: +47 230 14961e: mc-nor@spectrumgeo.com

AustraliaSpectrum Geo Pty Ltdt: +61 8 6324 3900f: +61 8 6324 3999e: mc-au@spectrumgeo.com

La Rocca -1 Gandara -1 Banambu Deep -1 Brigadier- 1 Andromeda - 1 Mutineer Fletcher

Olympus Broadband ReprocessingPSDM Display Section

LA ROCCA -1 GANDARA - 1 BANAMBU DEEP - 1 BRIGADIER - 1 ANDROMEDA - 1 MUTINEER FLETCHER

Multi-Client 3D Seismic

Aptian surface interpreted on Olympus interim volume

Key Points:• The project encompasses seismic data from relatively shallow water

depths to the edge of the shelf and great care has been taken to optimise the processing parameters for each survey whilst, at the same time, working to a goal of a fully matched coherent output.

• The final seismic imaging sequence is a fully comprehensive modern Broadband flow incorporating both PSTM and PSDM.

• Results show huge improvement over legacy data with improved bandwidth leading to greater resolution at all depths. The advantage of a consistent character dataset is to greatly aid interpretation and enable trends to be confidently mapped across large distances.

Arbitrary Well Tie Traverse across The Olympus Multi-Client 3D Broadband Reprocessed PSDM Volume

Base Cretaceous TWT Map

Spectral decomposition displaying channels of the Triassic Mungaroo formation