Inventor

MEADOR RICHARD A

US22 patents

⚠️ This page may combine multiple inventors who share the name “MEADOR RICHARD A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MEADOR RICHARD A

TEXACO INC

Dielectric well logging with radially oriented coils

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

Dielectric well logging system with electrostatically shielded coils

Crude oil production stream analyzer

Measurement of salt content in petroleum flow lines

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

Combination radio frequency dielectric and conventional induction logging system

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

Electromagnetic wave propagation well logging utilizing multiple phase shift measurement

Dielectric induction logging system for obtaining water and residual oil saturation of earth formations

Radio frequency resistivity and dielectric constant well logging utilizing phase shift measurement

Dipmeter means utilizing generated eddy currents and lines of flux in an earth formation

NL INDUSTRIES INC

Transformer cable connector

Drill stem logging with electromagnetic waves and electrostatically-shielded and inductively-coupled transmitter and receiver elements

Logging tool and method for measuring resistivity of different radial zones at a common depth of measurement

Electrical resistivity measurement of a flowing drilling fluid using eddy currents generated therein

System for monitoring formation spontaneous potential and polarization constant while drilling

BAKER HUGHES INC

Method and apparatus for logging-while-drilling with improved performance through cancellation of systemic errors through combination of signals, utilization of dedicated transmitter drivers, and utilization of selected reference signals

High sensitivity well logging system having dual transmitter antennas and intermediate series resonant

Well logging system arranged for stable, high-sensitivity reception of propagating electromagnetic waves

SCIENT DRILLING INT

Retrievable, formation resistivity tool, having a slotted collar

TEXACO DEVELOPMENT CORP

Electromagnetic wave logging dipmeter