4. Wells
  5. Valves, closures or changeable restrictors

Henry J. James

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Apparatus for treating or completing wells

Wells – With below and above ground modification – Above ground actuating means for below ground device
Patent

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Method of completing wells in which the lower tubing is suspende

Wells – Valves – closures or changeable restrictors
Patent

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Plural parallel tubing with safety joints or release from suspen

Wells – Packers or plugs – With expanding anchor
Patent

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Profile ID: LFUS-PAI-P-871112

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