4. Wells
  5. With electrical means
  6. Valve

Jean Czernichow

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Device for monitoring a deposit for a production well

Wells – With electrical means – Valve
Patent

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Device for the seismic monitoring of an underground deposit

Wells – With electrical means
Patent

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Independent measuring and processing probe for preliminary...

Wells – Processes – With indicating – testing – measuring or locating
Reexamination Certificate

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Method and equipment for acoustic wave prospecting in producing

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

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Well probe able to be uncoupled from a rigid coupling connecting

Wells – With electrical means – Valve
Patent

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Profile ID: LFUS-PAI-P-39548

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