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

Joseph A. Walkowski

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Acoustic subsea test tree and method

Wells – Submerged well – Testing
Patent

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Activation mechanism for differential fill floating equipment

Wells – Valves – closures or changeable restrictors – Destructible element
Patent

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Additive material metering system with pneumatic discharge

Dispensing – Plural sources – compartment – containers and/or spaced jacket – With discharge assistant for each source
Patent

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Additive material metering system with weighing means

Dispensing – Weighing
Patent

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Anchor and anchor positioner assembly

Wells – Expansible anchor or casing – Spring set
Patent

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Profile ID: LFUS-PAI-P-43774

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