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Featured researches published by Percy T. Cox.


Spe Formation Evaluation | 1988

Complex dielectric interpretation of 20-MHz electromagnetic logs

Jackie Charles Sims; Percy T. Cox; Richard S. Simpson

An interpretation technique for the 20X10/sup 6/-cycle/sec (20-MHz) dielectric log based on the complex Lichtenecker-Rother (LR) equation is proposed. The equation is shown to be an adequate model of quarry rocks and is applied to field logs from the California coastal basins. The results are significantly better than those obtained with other techniques. The major disadvantage is that core data are required for calibration in each reservoir.


Archive | 1977

Electromagnetic wave logging system for determining resistivity and dielectric constant of earth formations

Richard A. Meador; Larry L. Adams; James A. Fuchs; Percy T. Cox; Larry W. Thompson


Archive | 1976

Electromagnetic wave propagation well logging utilizing multiple phase shift measurement

Richard A. Meador; Larry L. Adams; Percy T. Cox; Larry W. Thompson; James A. Fuchs


Archive | 1986

Dual frequency well logging system for determining the water resistivity and water saturation of an earth formation

Percy T. Cox; Jackie Charles Sims; Richard S. Simpson


Archive | 1984

Propagation anisotropic well logging system and method

Kerry D. Savage; Percy T. Cox; Hans J. Paap


Archive | 1980

Dielectric well logging system with at least three transmitter coils and at least two receiver coils for determining resistivity and dielectric constant of a subsurface formation adjacent a fluid invaded zone of the formation

Percy T. Cox; Richard A. Meador; Roland G. Riedesel; Kerry D. Savage


Archive | 1975

Movable oil measurement combining dual radio frequency induction and dual induction laterolog measurements

Richard A. Meador; Percy T. Cox; Larry W. Thompson


Archive | 1993

Dielectric cross-plot water cut monitoring apparatus and method

Percy T. Cox


Archive | 1984

Deep penetration well logging system and method using secondary electromagnetic fields

Percy T. Cox; Wayne F. Warren; Donald L. Johnson


formal methods | 1975

Dielectric Constant Logging, A Salinity Independent Estimation of Formation Water Volume

Richard A. Meador; Percy T. Cox

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