... of the workflow. The method allows for pore pressure analysis to be carried out accurately, regardless of the downhole logs acquired. reservoir characterization artificial intelligence machine learning well logging reservoir geomechanics upstream oil & gas wellbore log compaction trend...

... this relationship. In the current widely used conventional methods, it is controversial to consider the shallow section as normally pressured and at the same time extract a compaction trend from its petrophysical properties. Moreover, there is confusion about which part of the subsurface section the Effective...

... Abstract Eaton's method, the standard method of determining pore pressure from seismic velocities, has been adapted from logging techniques. It requires the use of a normal (i.e. hydrostatic) compaction trend specific to very-low-silt shales, and also that the analysis only be performed upon...

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... to fall above and to the left of the compaction trend on stress-velocity crossplots, and to right and above the compaction trend on sonic-density crossplots. When overpressure is due only to undercompaction, the shale properties remain on the compaction trend, but at lower velocity and density than...

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... from seismic data In Pemex E&P, it has been considered that the evaluation of geopressure from seismic data must combine a good understanding of both rock properties and normal compaction trends, a robust velocity analysis applied to the conditioned seismic data, a suitable relationship between...

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