Rock properties prediction, categorization, and recognition...

Electricity: measuring and testing – Particle precession resonance – Using well logging device

Reexamination Certificate

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Reexamination Certificate

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07495436

ABSTRACT:
A partial least squares (PLS) regression relates spin echo signals with samples having a known parameter such as bound water (BW), clay bound water (CBW), bound volume irreducible (BVI), porosity (PHI) and effective porosity (PHE). The regression defines a predictive model that is validated and can then be applied to spin echo signals of unknown samples to directly give an estimate of the parameter of interest. The unknown samples may include earth formations in which a NMR sensor assembly is conveyed in a borehole.

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