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GIS Technology Used in Exploration Geoscience—
Exploration Potential in the Libyan Murzuq Basin

Fugro Robertson Limited

 Petroleum
Click to enlarge Click to enlarge Click to enlarge Click to enlarge
Seal quality risk is
based on the pres-
ence/absence of the Silurian Tanezzuft Formation.
Trap risk is based on the presence/absence of the Upper Ordovi-
cian Memouniat Formation.
Reservoir environ-
mental risk is facies based.
Reservoir diagnosis risk is burial based.
Click to enlarge Click to enlarge Click to enlarge Click to enlarge
Source kitchen risk in
the center of the basin
is based on vitrinite reflectance and the presence of basal Silurian Tanezzuft Formation hot shales.
Migration risk is based on the distance "up-dip" from the oil kit-
chen for the source Silurian Tanezzuft Formation.
Preservation risk in
this case is based on
the potential for water flushing where the reservoir outcrops at surface.
The final risk analysis is a convolution of the above initial risk polygons.

Llandudno, North Wales, United Kingdom

By Karen Blohm, Mark Cowgill, Dirk Cuthbertson, Lorien Kater, and Simon Otto

Contact
Lorien Kater
E-mail
Software
ArcGIS 8.3 Desktop
Printer
HP Designjet 4000
Data Source(s)
Public domain and internal data
 -

This is a working example of how GIS is used in exploration geoscience. It shows the steps and processes required to work up, manage, visualize, and analyze the data. The GIS facilitated the process of defining the exploration potential in a basin and the identification of exploration “sweet spots.” This poster uses an example of Murzuq Basin in Libya.

Petroleum Maps

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