Real-Time Pore Pressure Detection: Indicators and Improved Methods

<div>NCTs in the transit time versus the depth for the shale composed of the smectite and illite. (a) Composite NCT; (b) composite NCT and transit time; (c) overpressures caused by smectite to illite conversion and undercompaction.</div>

Geofluids

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Figure 2

Figure 2: Real-Time Pore Pressure Detection: Indicators and Improved Methods 