4. Measuring and testing
  5. Borehole or drilling
  6. Downhole test

Denis R. Tanguy

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Shock limiting apparatus

Boring or penetrating the earth – With signaling – indicating – testing or measuring
Patent

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System and method for monitoring drill string characteristics du

Acoustics – Geophysical or subsurface exploration – Well logging
Patent

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System and method for monitoring drill string characteristics du

Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Well logging
Patent

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Weight-on-bit and torque measuring apparatus

Measuring and testing – Borehole or drilling – Downhole test
Patent

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Weight-on-bit measuring apparatus

Measuring and testing – Borehole or drilling – Downhole test
Patent

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Profile ID: LFUS-PAI-P-590522

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