4. Wells
  5. With below and above ground modification
  6. Above ground actuating means for below ground device

John H. Yonker

Inventor

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Apparatus and method for performing a desired operation at a spe

Wells – Valves – closures or changeable restrictors
Patent

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Circumferential centralizer

Wells – Pistons – fluid driven into well
Patent

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Coiled tubing deployed inflatable stimulation tool

Wells – Packers or plugs – With central conduit and fluid port to space outside
Patent

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Coiled tubing deployed inflatable stimulation tool

Wells – Packers or plugs – With central conduit and fluid port to space outside
Patent

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Kickover tool

Wells – Means for guiding insertable element laterally of well axis
Patent

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Profile ID: LFUS-PAI-P-293851

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