4. Communications, electrical: acoustic wave systems and devices
  5. Seismic prospecting
  6. Land-reflection type

Alexei Bolshakov

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Acoustic isolator downhole applications

Acoustics – Geophysical or subsurface exploration – Well logging
Reexamination Certificate

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Acoustic isolator for downhole applications

Acoustics – Geophysical or subsurface exploration – Well logging
Reexamination Certificate

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Acoustic isolator for downhole applications

Acoustics – Geophysical or subsurface exploration – Seismic source and detector
Reexamination Certificate

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Acoustic isolator for downhole applications

Acoustics – Geophysical or subsurface exploration – Well logging
Reexamination Certificate

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Active noise cancellation through the use of magnetic coupling

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

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Profile ID: LFUS-PAI-P-1615012

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