4. Wells
  5. Processes
  6. Cleaning or unloading well

Robert D. Yeates

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Downhole surge tools

Wells – Valves – closures or changeable restrictors – Operated by dropped element
Patent

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Downhole surge tools

Wells – Pistons – fluid driven into well – Surrounding conduit valve or closure opened by piston
Patent

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Downhole surge tools, method and apparatus

Wells – Processes – Cleaning or unloading well
Patent

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Profile ID: LFUS-PAI-P-786473

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