4. Wells
  5. Submerged well
  6. Testing

Jeffrey C. Edwards

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Drill stem test tools

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

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Multi-sensor relief valve well test system

Compositions: coating or plastic – Coating or plastic compositions – Fat – fatty oil – fatty oil acid or salt thereof containing
Patent

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Pressure relief valve

Fluid handling – Processes
Patent

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System and method for sensing proximity

Ammunition and explosives – Igniting devices and systems – Ignition or detonation circuit
Reexamination Certificate

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Tubing test valve

Wells – Submerged well – Testing
Patent

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Profile ID: LFUS-PAI-P-507782

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