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

J. A. Walkowski

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Format conversion system

Boots – shoes – and leggings
Patent

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In-situ linear flow proppant conductivity test cell

Measuring and testing – Borehole or drilling – Downhole test
Patent

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Method for transmitting downhole data in a reduced time

Communications: electrical – Wellbore telemetering or control – Selective control of subsurface equipment
Patent

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Method of well testing

Wells – Processes – With indicating – testing – measuring or locating
Patent

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Replaceable cutter using internal ductile metal receptacles

Boring or penetrating the earth – Bit or bit element – Plural separable cutter elements
Patent

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Profile ID: LFUS-PAI-P-311688

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