4. Wells
  5. Processes
  6. Graveling or filter forming

Lee W. Stepp

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Automatic fill-up floating apparatus

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

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Casing inflation packer

Wells – Packers or plugs – With controllable passage between central chamber and space...
Patent

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Coiled tubing operated full opening completion tool system

Wells – Expansible anchor or casing – Fluid pressure actuated
Patent

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Fracture oriented completion tool system

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

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Hydraulically activated liner setting device

Wells – Processes – Placing or shifting well part
Patent

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Profile ID: LFUS-PAI-P-612503

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