Robert Coskey, Rose Exploration - Tight Oil From Shale Plays World ...
Robert Coskey, Rose Exploration - Tight Oil From Shale Plays World ...
Robert Coskey, Rose Exploration - Tight Oil From Shale Plays World ...
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<strong>Shale</strong> Organic Richness & Mechanics<br />
Immature<br />
Collapse Vector<br />
Mature<br />
~50 OM by Vol<br />
Low RHOB Matrix Vol %<br />
OM Vol %<br />
Maturity induced shale compaction<br />
increases bulk density (RHOB)<br />
Supporting Kerogenous Lamination<br />
• Before conversion to oil<br />
source Matrix rock is in partial<br />
kerogen Kerogen support<br />
Low RHOB<br />
…and oil is expelled from kerogenites<br />
Kerogenous Lamination Collapes<br />
• Kerogen deforms and laminates<br />
• Most of kerogen is converted to oil<br />
• Residual oil in laminations<br />
• Rock is now in dead kerogen and/or<br />
matrix grain support High RHOB
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