4. Radiant energy
  5. Geological testing or irradiation
  6. Well testing apparatus and methods

Mary M. Yawney

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Method of analyzing vibrations from a drilling bit in a borehole

Measuring and testing – Borehole or drilling – Downhole test
Patent

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Mobile well-logging laboratory

Acoustics – Geophysical or subsurface exploration – Well logging
Patent

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Tool for closing a production column in a well

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator
Patent

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Tool for closing a well tubing

Wells – Valves – closures or changeable restrictors – Fluid operated
Patent

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Well logging sonde with shielded collimated window

Radiant energy – Geological testing or irradiation – Well testing apparatus and methods
Patent

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Profile ID: LFUS-PAI-P-707965

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