PC

Percy T. Cox

Chevron: 18 patents #227 of 4,788Top 5%
Overall (All Time): #260,856 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5272444 Dielectric cross-plot water cut monitoring apparatus and method 1993-12-21
5249455 B S & W measuring means and method 1993-10-05
5095758 Water cut monitoring means and method Theodore W. Nussbaum, Charles L. Gray, Jr. 1992-03-17
5070725 Water-cut monitoring means and method Theodore W. Nussbaum, Charles L. Gray, Jr. 1991-12-10
5033289 Water cut monitoring means and method 1991-07-23
4972149 Electromagnetic propagation thin bed resistivity well logging system and method Wayne F. Warren, Theodore W. Nussbaum, Donald L. Johnson 1990-11-20
4897605 Deep penetration well logging system and method Wayne F. Warren, Donald L. Johnson 1990-01-30
4774471 Complex dielectric constant well logging means and method for determining the water saturation and the water resistivity of an earth formation Jackie C. Sims, Richard S. Simpson 1988-09-27
4730161 Dual frequency well logging system for determining the water resistivity and water saturation of an earth formation Jackie C. Sims, Richard S. Simpson 1988-03-08
4703278 Well logging disc coil receiving means and method Theodore W. Nussbaum, Keith R. Tooker 1987-10-27
4700141 Deep penetration well logging sonde Wayne F. Warren, Theodore W. Nussbaum 1987-10-13
4687995 Secondary field dielectric constant and/or resistivity well logging system and method Wayne F. Warren, Theodore W. Nussbaum, Donald L. Johnson 1987-08-18
4636731 Propagation anisotropic well logging system and method Kerry D. Savage, Hans J. Paap 1987-01-13
4622518 Deep penetration well logging system and method using secondary electromagnetic fields Wayne F. Warren, Donald L. Johnson 1986-11-11
4609873 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 Richard A. Meador, Roland G. Riedesel, Jr., Kerry D. Savage 1986-09-02
4599566 High transmitting power deep penetration well logging sonde Wayne F. Warren 1986-07-08
4594551 Method of deep penetration well logging using three receivers Wayne F. Warren, Theodore W. Nussbaum 1986-06-10
4401947 Small hole well logging sonde and system with transmitter and receiver assemblies 1983-08-30