Experience

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  Halliburton

  Oct 1979 - May 2001

  Engineer

  Designed multiplexed Dual-Guard FoRxo laterolog device.Designed MicroLaterolog and MicroSFL-type pad-mounted resistivity devices.Designed ElectricMicroImager resistivity imaging tool (EMI-A) and OBM addition.Designed DITS Short-Guard LL3 device.Designed Receiver/PS for 1 GHz Dielectric Measurement tool (HFDT).Designed multi-frequency Casing Corrosion measurement tool (METG-A).Participated in Thermal Enhancement effort on Dual Induction and Acoustic CBL tools.Conducted Field Engineer/Technician Training for new products.Produce Manufacturing documentation for my projects.Specify algorithms, and test firmware and software for PCB micrprocessor and computers,Interface with Research personnel on downhole tool physics, modelling. implementation. Show less

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  Schlumberger/pathfinder

  May 2001 - Aug 2012

  Engineer

  Designed Dual-Freq compensated 175C AWR Propagation tool, including Gamma/Inclinometer.Performed Sustaining work on HDS1 Directional Tool.Designed Manufacturing Test Fixtures for AWR/HDS1/SDNSC/QPM M/LWD tools.Designed LWD Neutron Porosity sub for 175C 4-3/4" Slim Density/Neutron tool.Designed LWD Pressure Measurement sub using dual quartz-oscillator pressure sensors.Designed 3-Phase Magnetic Amplifier for output voltage control of 180W PM Alternator.Investigate/Resolve Manufacturing Issues (Reliability/Design/Documentation/Parts Obsolescence). Show less

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  Gyrodata

  Aug 2012 - Sept 2014

  Senior electrical engineer - mwd

  Designed Half-Duplex 50 bps LWD Short Hop Transmitter/Receiver.Designed MWD Pressure-While-Drilling Electronics.Designed Control/Protection Circuits for 200V/36V 750W downhole Homopolar Alternator.Designed MWD Shock/Vibration/Stick-slip electronics.Revamp Altium PCB/PWA Component Library.Designed 200W 36V downhole Switching Power Supply.Designed 8 PCB Test Fixtures to facilitate functional test of electronics assemblies.Designed Transmitter/Receiver/Comms/PS Electronics for 2 MHz/400KHz LWD Propagation measurement.Designed Alternator Prime-mover and Load Box to facilitate Alternator Testing.Designed Dynamometer for downhole brushless servomotor using VFD and 3-PH Induction motor.Create PCB Design Guideline for PCB/PWA Manufacturability (DFM). Show less

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  Valtang

  Nov 2014 - May 2015

  Chief engineer

  Designed Electronics (HW) for 2 Near-Bit measurement systems with integral Short-Hop capability.

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  Oliden

  May 2015 - Nov 2017

  Electrical engineer

  Design of circuitry to improve performance of LWD resistivity measurements. Also working on MWD downhole and surface system. Increasing my experience with different families of microprocessors, including PIC32 and TMS470, and learning connectivity (WiFi, Ethernet, USB) techniques for small processors.

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  Weatherford

  Nov 2017 - Oct 2020

  Engineer iv

  Counting Neutrons and working with Maybe Gates.