Fig. 3 | Nature Communications

Fig. 3

From: Shale gas reserve evaluation by laboratory pyrolysis and gas holding capacity consistent with field data

Fig. 3

Total hydrocarbon gas (C1–C5), methane, expelled oil and retained oil/bitumen yields (mg/g TOC of rock at the end of each stage) for the sequential HPWP experiment on the Grange Hill core sample at 300 bar. The VR % (Ro) values below each histogram are for the start and end of each stage. The differences in the measured values from duplicate tests are generally within 6% for gas (C1–C5 hydrocarbons) yields, 4% for expelled and retained oil yields and 2% for gas dryness

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