Notional Field Development Final Report - EBN

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EBN Notional Field Development Plan 3.1.2 Mudlog Analysis Figure 3-1 KWK-01 Mudlogged Section of Posidonia (Upper Show) & Aalburg (Lower Show) Shales The mudlog indicates an excellent gas show in the Posidonia between 1750 and 1850 meters. Sample is described as pyritic shale with some calite carbonate near base of the show section. The Aalburg Shale is also demonstrating a decent gas show while drilling between the depths of 2075 and 2250 meters but not near as high as the Posidonia. Mud weight was calculated to be equivalent to 9.6 lbs /gallon for both intervals. © 2011 Halliburton All Rights Reserved 14
EBN Notional Field Development Plan 3.1.3 Petrophysics First, a synthetic DTC & DTS mechanical rock properties model had to be developed on a well where EBN had dipole sonic data. This was performed on the deeper (Triassic) sections of the WWS-02 well. Next, the missing neutron data needed to be remedied by developing a DTC to synthetic neutron conversion by crossplot analysis across the same organic shales in the OTL-1 well. This was done and the final analysis performed across both the Posidonia & Aalburg Shales. 3.1.3.1 Stress Calibration Figure 3-2, Stress Calibration from Dipole Sonic on WWS-02 Eight separate crossplots determining relationships between measured compressional and shear velocities were analyzed. Obvious linear relationships were best fit to apparent crossplot porosity (PHIA) and neutron porosity (PHIN). These were the only relationships that met selection criteria for building synthetic DTC and DTS curves from triple combo data when no actual dipole sonic data is available. That selection criteria being that the three curves used agree within one standard deviation of the composite mean. The real and synthetic DTC & DTS curves were then tested in a Stimlog TM analysis of the WWS-02 well. The calculated interval was the deeper pay section of Triassic age below any of the target organic shales, © 2011 Halliburton All Rights Reserved 15
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