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

Robert Desbrandes

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Apparatus and method for accurately measuring formation pressure

Measuring and testing – Borehole or drilling – Downhole test
Patent

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Device for measuring the stresses applied in use to the downhole

Boring or penetrating the earth – With tool shaft detail – Axially telescoping shaft section
Patent

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Driving device for displacing an element in a conduit filled wit

Wells – Processes – Placing or shifting well part
Patent

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Formation evaluation from thermal properties

Boots – shoes – and leggings
Patent

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Method and apparatus for determining the wettability of an earth

Measuring and testing – Borehole or drilling – Downhole test
Patent

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Profile ID: LFUS-PAI-P-530078

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