Determination of dielectric properties with propagation resistiv

Details Determination of dielectric properties with propagation resistiv Determination of dielectric properties with propagation resistiv

1996-06-28

1998-09-22

O'Shea, Sandra L.

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

With radiant energy or nonconductive-type transmitter

324339, 324341, G01V 310, G01V 318

Patent

active

058119736

ABSTRACT:
A propagation resistivity measurement-while-drilling system is used to determine the resistivity (or conductivity) of the conate formation fluid, the dielectric constant of the dry rock matrix, and the water filled porosity of the formation. One or more transmitter-receiver pairs are utilized with the transmitter component of the transmitter-receiver pairs operating at a plurality of frequencies. Water filled porosity measurements can be combined with an independent measurement which responds to the total fluid porosity of the formation to obtain a measure of formation hydrocarbon saturation in fresh or saline conate water environments.

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