Inventor · disambiguated record
Macmillan M. Wisler
Also filed as: WISLER MACMILLAN · WISLER MACMILLAN M · WISLER MACMILLAN MORGAN
40 granted patents·3 pending applications·2,647 citations·filing 1983–2016
99Inventor score
Files withBAKER HUGHES INC19WEATHERFORD CANADA PARTNERSHIP5WISLER MACMILLAN M5PRECISION ENERGY SERVICES INC4NL INDUSTRIES INC2
Top patents by PatentIndex Score
43 records- 0198US5530358AMethod and apparatus for measurement-while-drilling utilizing improved antennasBAKER HUGHES INC·Filed 1994·Granted Jun 25, 1996·272 cites·72 claims
- 0297US5812068ADrilling system with downhole apparatus for determining parameters of interest and for adjusting drilling direction in response theretoBAKER HUGHES INC·Filed 1995·Granted Sep 22, 1998·433 cites·32 claims
- 0395US7303007B2Method and apparatus for transmitting sensor response data and power through a mud motorWEATHERFORD CANADA PARTNERSHIP·Filed 2005·Granted Dec 4, 2007·56 cites·14 claims
- 0495US6173793B1Measurement-while-drilling devices with pad mounted sensorsBAKER HUGHES INC·Filed 1998·Granted Jan 16, 2001·266 cites·40 claims
- 0594US5682099AMethod and apparatus for signal bandpass sampling in measurement-while-drilling applicationsBAKER HUGHES INC·Filed 1995·Granted Oct 28, 1997·188 cites·74 claims
- 0694US5581024ADownhole depth correlation and computation apparatus and methods for combining multiple borehole measurementsBAKER HUGHES INC·Filed 1994·Granted Dec 3, 1996·123 cites·29 claims
- 0792US8471563B2Steerable magnetic dipole antenna for measurement while drilling applicationsWISLER MACMILLAN M·Filed 2010·Granted Jun 25, 2013·17 cites·13 claims
- 0892US8378908B2Array antenna for measurement-while-drillingPRECISION ENERGY SERVICES INC·Filed 2007·Granted Feb 19, 2013·38 cites·70 claims
- 0990US8604796B2Steerable magnetic dipole antenna for measurement-while-drilling applicationsWISLER MACMILLAN M·Filed 2011·Granted Dec 10, 2013·13 cites·27 claims
- 1090US6703837B1Wellbore resistivity tool with simultaneous multiple frequenciesPREC DRILLING TECH SERV GROUP·Filed 2000·Granted Mar 9, 2004·74 cites·26 claims
- 1190US6179066B1Stabilization system for measurement-while-drilling sensorsBAKER HUGHES INC·Filed 1999·Granted Jan 30, 2001·152 cites·27 claims
- 1290US5230386AMethod for drilling directional wellsBAKER HUGHES INC·Filed 1991·Granted Jul 27, 1993·85 cites·17 claims
- 1389US5892361AUse of raw amplitude and phase in propagation resistivity measurements to measure borehole environmental parametersBAKER HUGHES INC·Filed 1996·Granted Apr 6, 1999·115 cites·33 claims
- 1487US5811972AMethod and apparatus for determining influence of mutual magnetic coupling in electromagnetic propagation toolsBAKER HUGHES INC·Filed 1994·Granted Sep 22, 1998·75 cites·32 claims
- 1585USRE35386EMethod for drilling directional wellsBAKER HUGHES INC·Filed 1994·Granted Dec 3, 1996·80 cites·18 claims
- 1685US5574374AMethod and apparatus for interrogating a borehole and surrounding formation utilizing digitally controlled oscillatorsBAKER HUGHES INC·Filed 1994·Granted Nov 12, 1996·72 cites·58 claims
- 1783US9885800B2Steerable magnetic dipole antenna for measurement while drilling applicationsPRECISION ENERGY SERVICES INC·Filed 2016·Granted Feb 6, 2018·3 cites·19 claims
- 1882US6469637B1Adjustable shear valve mud pulser and controls thereforBAKER HUGHES INC·Filed 1999·Granted Oct 22, 2002·85 cites·19 claims
- 1981US8011425B2Transmitting sensor response data and power through a mud motorWEATHERFORD CANADA PARTNERSHIP·Filed 2010·Granted Sep 6, 2011·5 cites·4 claims
- 2080US8952700B2Method for minimizing delays while drilling using a magnetic ranging apparatusWISLER MACMILLAN M·Filed 2011·Granted Feb 10, 2015·8 cites·30 claims
- 2179US9140817B2Steerable magnetic dipole antenna for measurement-while-drilling applicationsWISLER MACMILLAN M·Filed 2010·Granted Sep 22, 2015·5 cites·12 claims
- 2279US6788066B2Method and apparatus for measuring resistivity and dielectric in a well core in a measurement while drilling toolBAKER HUGHES INC·Filed 2001·Granted Sep 7, 2004·48 cites·37 claims
- 2379US6459262B1Toroidal receiver for NMR MWDBAKER HUGHES INC·Filed 2000·Granted Oct 1, 2002·43 cites·16 claims
- 2477US8191628B2Method and apparatus for transmitting sensor response data and power through a mud motorKONSCHUH CHRISTOPHER WALTER·Filed 2011·Granted Jun 5, 2012·5 cites·17 claims
- 2577US6703833B2Nuclear magnetic resonance apparatus and method having toroidal antenna windingsBAKER HUGHES INC·Filed 2002·Granted Mar 9, 2004·15 cites·21 claims
- 2677US6288548B1Method and apparatus for making electromagnetic induction measurements through a drill collarBAKER HUGHES INC·Filed 1997·Granted Sep 11, 2001·61 cites·17 claims
- 2776US5144245AMethod for evaluating a borehole formation based on a formation resistivity log generated by a wave propagation formation evaluation toolTELECO OILFIELD SERVICES INC·Filed 1991·Granted Sep 1, 1992·49 cites·18 claims
- 2874US7145473B2Electromagnetic borehole telemetry system incorporating a conductive borehole tubularPREC DRILLING TECH SERV GROUP·Filed 2003·Granted Dec 5, 2006·39 cites·51 claims
- 2973US4536713AElectrical resistivity measurement of a flowing drilling fluid using eddy currents generated thereinNL INDUSTRIES INC·Filed 1983·Granted Aug 20, 1985·40 cites·25 claims
- 3068US6060884AMethod and apparatus for measuring electromagnetic properties of materials in borehole environs and simultaneously determining the quality of the measurementsFiled 1998·Granted May 9, 2000·46 cites·17 claims
- 3166US9366780B2Steerable magnetic dipole antenna for measurement while drilling applicationsWISLER MACMILLAN M·Filed 2009·Granted Jun 14, 2016·6 cites·16 claims
- 3265US9500762B2Borehole resistivity imager using discrete energy pulsingHARAMBOURE CARLOS·Filed 2011·Granted Nov 22, 2016·3 cites·33 claims
- 3365US6081116ANuclear magnetic resonance apparatus and method for geological applicationsBAKER HUGHES INC·Filed 1998·Granted Jun 27, 2000·38 cites·35 claims
- 3463US4625173ASystem for monitoring formation spontaneous potential and polarization constant while drillingNL INDUSTRIES INC·Filed 1984·Granted Nov 25, 1986·20 cites·8 claims
- 3562US7170423B2Electromagnetic MWD telemetry system incorporating a current sensing transformerWEATHERFORD CANADA PARTNERSHIP·Filed 2003·Granted Jan 30, 2007·30 cites·58 claims
- 3652US6163151AApparatus and method for making nuclear magnetic measurements in a boreholeBAKER HUGHES INC·Filed 1998·Granted Dec 19, 2000·15 cites·21 claims
- 3751USRE40944EAdjustable shear valve mud pulser and controls thereforBAKER HUGHES INC·Filed 2004·Granted Oct 27, 2009·12 cites·65 claims
- 3848US7126492B2Electromagnetic borehole telemetry system incorporating a conductive borehole tubularWEATHERFORD CANADA PARTNERSHIP·Filed 2004·Granted Oct 24, 2006·10 cites·30 claims
- 3947US2014345947A1Method for Minimizing Delays While Drilling Using a Magnetic Ranging ApparatusPRECISION ENERGY SERVICES INC·Filed 2014·Application pending·0 cites
- 4046US9790784B2Telemetry system, current sensor, and related methods for a drilling systemAPS TECH INC·Filed 2014·Granted Oct 17, 2017·0 cites·39 claims
- 4144US2008060847A1Method and apparatus for transmitting sensor response data and power through a mud motorWEATHERFORD CANADA PARTNERSHIP·Filed 2007·Application pending·0 cites
- 4239US7164266B2Nuclear magnetic resonance tool with conductive and non-conductive magnet assemblyPRECISION ENERGY SERVICES INC·Filed 2003·Granted Jan 16, 2007·2 cites·41 claims
- 4328US2002007945A1Composite coiled tubing with embedded fiber optic sensorsFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →