Computer-controlled, portable spin echo NMR instrument and metho

Details Computer-controlled, portable spin echo NMR instrument and metho Computer-controlled, portable spin echo NMR instrument and metho

1981-04-15

1983-10-04

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Using well logging device

324307, 324311, G01R 3308

Patent

active

044081618

ABSTRACT:
In accordance with the present invention, permeability estimates of a carbonate sample based on spin echo diffusion characteristics of the hydrogen nuclei of interstitial fluids within the pore space of such sample, can be swiftly and accurately achieved using a computer-controlled, portable NMR instrument. Result: Even though the instrument is placed at field sites away from the usual processing center, quick analysis of such samples as during the drilling of a well, still results.

REFERENCES:
patent: 3824452 (1974-07-01), Freeman
patent: 4045723 (1977-08-01), Ernst
patent: 4165479 (1979-08-01), Mansfield

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