Inventor · disambiguated record
Richard A. Meador
Also filed as: MEADOR RICHARD A
22 granted patents·1,547 citations·filing 1974–2000
97Inventor score
Files withTEXACO INC12NL INDUSTRIES INC5BAKER HUGHES INC3SCIENT DRILLING INT1TEXACO DEVELOPMENT CORP1
Top patents by PatentIndex Score
22 records- 0198US4785247ADrill stem logging with electromagnetic waves and electrostatically-shielded and inductively-coupled transmitter and receiver elementsNL INDUSTRIES INC·Filed 1987·Granted Nov 15, 1988·292 cites·30 claims
- 0298US4605268ATransformer cable connectorNL INDUSTRIES INC·Filed 1982·Granted Aug 12, 1986·284 cites·24 claims
- 0397US4319191ADielectric well logging with radially oriented coilsTEXACO INC·Filed 1980·Granted Mar 9, 1982·129 cites·3 claims
- 0496US4451789ALogging tool and method for measuring resistivity of different radial zones at a common depth of measurementNL INDUSTRIES INC·Filed 1981·Granted May 29, 1984·93 cites·15 claims
- 0592US4107598AElectromagnetic wave logging system for determining resistivity and dielectric constant of earth formationsTEXACO INC·Filed 1977·Granted Aug 15, 1978·63 cites·4 claims
- 0692US3982176ACombination radio frequency dielectric and conventional induction logging systemTEXACO INC·Filed 1974·Granted Sep 21, 1976·46 cites·13 claims
- 0790US5081419AHigh sensitivity well logging system having dual transmitter antennas and intermediate series resonantBAKER HUGHES INC·Filed 1991·Granted Jan 14, 1992·76 cites·41 claims
- 0889US5402068AMethod 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 signalsBAKER HUGHES INC·Filed 1992·Granted Mar 28, 1995·73 cites·21 claims
- 0988US4107597AElectromagnetic wave propagation well logging utilizing multiple phase shift measurementTEXACO INC·Filed 1976·Granted Aug 15, 1978·48 cites·6 claims
- 1088US3993944AMovable oil measurement combining dual radio frequency induction and dual induction laterolog measurementsTEXACO INC·Filed 1975·Granted Nov 23, 1976·45 cites·20 claims
- 1187US4514693ADielectric well logging system with electrostatically shielded coilsTEXACO INC·Filed 1979·Granted Apr 30, 1985·42 cites·3 claims
- 1285US4458524ACrude oil production stream analyzerTEXACO INC·Filed 1981·Granted Jul 10, 1984·45 cites·14 claims
- 1385US4012689ARadio frequency resistivity and dielectric constant well logging utilizing phase shift measurementTEXACO INC·Filed 1974·Granted Mar 15, 1977·30 cites·6 claims
- 1484US4009434ADielectric induction logging system for obtaining water and residual oil saturation of earth formationsTEXACO INC·Filed 1974·Granted Feb 22, 1977·33 cites·17 claims
- 1583US6483310B1Retrievable, formation resistivity tool, having a slotted collarSCIENT DRILLING INT·Filed 2000·Granted Nov 19, 2002·54 cites·45 claims
- 1683US4609873ADielectric 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 formationTEXACO INC·Filed 1980·Granted Sep 2, 1986·44 cites·22 claims
- 1783US4352288AMeasurement of salt content in petroleum flow linesTEXACO INC·Filed 1980·Granted Oct 5, 1982·35 cites·17 claims
- 1873US4536713AElectrical resistivity measurement of a flowing drilling fluid using eddy currents generated thereinNL INDUSTRIES INC·Filed 1983·Granted Aug 20, 1985·40 cites·25 claims
- 1968US4019126ADipmeter means utilizing generated eddy currents and lines of flux in an earth formationTEXACO INC·Filed 1974·Granted Apr 19, 1977·15 cites·1 claims
- 2066US4422043AElectromagnetic wave logging dipmeterTEXACO DEVELOPMENT CORP·Filed 1981·Granted Dec 20, 1983·30 cites·12 claims
- 2163US4625173ASystem for monitoring formation spontaneous potential and polarization constant while drillingNL INDUSTRIES INC·Filed 1984·Granted Nov 25, 1986·20 cites·8 claims
- 2238US5672971AWell logging system arranged for stable, high-sensitivity reception of propagating electromagnetic wavesBAKER HUGHES INC·Filed 1995·Granted Sep 30, 1997·10 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →