SIS Exploration Pty Ltd
Potential field data processing and interpretation:
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Gravity and magnetics surveys planning and design.
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Field acquisition and processing QC, liaising with contractors.
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Data processing, reprocessing and interpretation.
Case study 1: North Perth Basin, WA.
Image is First Vertical derivative of Regional Bouguer gravity over Woodada Gas Field.
Woodada field structure is a four way dip closure delineated by positive gravity anomaly on the western flank of a bigger, Lesuer anticline structure. Gravity stations are shown as dots along the roads and seismic lines.
Onshore Northern Perth Basin Gravity Project R. Iasky and S. Shevchenko
GSWA, Record 1995/6
Case study 2: North Perth Basin, WA.
Residual Bouger Gravity and First Vertical derivative of Magnetic Intensity over Behara Spring Gas Field area.
Detailed gravity (1000m x 300m stations) provides structural information: lineaments (white, red) are likely related to the faults and positive/negative gravity anomalies are likely related to the structural highs/lows within sedimentary strata and crystalline basement.
Note: some correspondence in gravity and magnetic anomalies. The later are related to the crystalline magnetic basement structures.
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Is there any room for gravity in petroleum exploration? S. Shevchenko and R. Iasky
ASEG Special Publications 2003(2)