Inventor
COX PERCY T
US23 patents
Patents
23 patentsUS4636731AJan 13, 1987
Propagation anisotropic well logging system and method
TEXACO INC59 citations96
US4107598AAug 15, 1978
Electromagnetic wave logging system for determining resistivity and dielectric constant of earth formations
TEXACO INC63 citations95
US5272444ADec 21, 1993
Dielectric cross-plot water cut monitoring apparatus and method
TEXACO INC40 citations92
US5249455AOct 5, 1993
B S & W measuring means and method
TEXACO INC30 citations92
US5070725ADec 10, 1991
Water-cut monitoring means and method
TEXACO INC40 citations92
US5033289AJul 23, 1991
Water cut monitoring means and method
TEXACO INC35 citations92
US3993944ANov 23, 1976
Movable oil measurement combining dual radio frequency induction and dual induction laterolog measurements
TEXACO INC45 citations92
US4730161AMar 8, 1988
Dual frequency well logging system for determining the water resistivity and water saturation of an earth formation
TEXACO INC33 citations91
US4609873ASep 2, 1986
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
TEXACO INC44 citations91
US4107597AAug 15, 1978
Electromagnetic wave propagation well logging utilizing multiple phase shift measurement
TEXACO INC48 citations91
US5095758AMar 17, 1992
Water cut monitoring means and method
TEXACO INC37 citations88
US4401947AAug 30, 1983
Small hole well logging sonde and system with transmitter and receiver assemblies
TEXACO INC23 citations82
US4012689AMar 15, 1977
Radio frequency resistivity and dielectric constant well logging utilizing phase shift measurement
TEXACO INC30 citations82
US4622518ANov 11, 1986
Deep penetration well logging system and method using secondary electromagnetic fields
TEXACO INC22 citations81
US4594551AJun 10, 1986
Method of deep penetration well logging using three receivers
TEXACO INC25 citations81
US4687995AAug 18, 1987
Secondary field dielectric constant and/or resistivity well logging system and method
TEXACO INC7 citations73
US3947664AMar 30, 1976
Highly accurate odometer
TEXACO INC13 citations73
US4972149ANov 20, 1990
Electromagnetic propagation thin bed resistivity well logging system and method
TEXACO INC11 citations72
US4897605AJan 30, 1990
Deep penetration well logging system and method
TEXACO INC8 citations72
US4774471ASep 27, 1988
Complex dielectric constant well logging means and method for determining the water saturation and the water resistivity of an earth formation
TEXACO INC14 citations72
US4700141AOct 13, 1987
Deep penetration well logging sonde
TEXACO INC4 citations62
US4703278AOct 27, 1987
Well logging disc coil receiving means and method
TEXACO INC5 citations57
US4599566AJul 8, 1986
High transmitting power deep penetration well logging sonde
TEXACO INC0 citations51