Table 1 QEMSCAN mineralogy and rock physics results for sample suite.
Shale sample | #1 | #2 | #3 | #4 |
|---|---|---|---|---|
Borehole | A | A | B | B |
Depth (m) | 3721 | 3731 | 3690 | 3703 |
Density (g/cm3) | 2.41 | 2.52 | 2.52 | 2.60 |
Mineralogy (volume %) | ||||
Clays | Â | 62.2 | Â | 61.3 |
Quartz | 11.2 | 9.6 | ||
Plagioclase | 2.9 | 3.6 | ||
Dolomite | 2.9 | 9.6 | ||
Calcite | 0.6 | 1.3 | ||
Muscovite | 6.3 | 5.6 | ||
Pyrite | 1.3 | 1.6 | ||
Trace minerals | 11 | 4 | ||
Porosity + OC  QEMSCAN | 1.5 | 3.4 | ||
Rock physics tests | ||||
Porosity (%) He–injection | 5.6 | 4.9 | 2.2 | 2.7 |
Effective pressure (MPa) | 5 | 5 | 5 | 5 |
kv–water (m2) | 3.2 × 10−22 | 3.5 × 10−22 | 2.5 × 10−22 | 4.0 × 10−22 |
kv–argon (m2) | — | — | 1.9 × 10−22 | 2.8 × 10−22 |
kh–water (m2) | — | — | 1.6 × 10−21 | 6.3 × 10−20 |
kh–argon (m2) | — | — | 9.1 × 10−22 | 2.0 × 10−20 |
