4. Wells
  5. Valves, closures or changeable restrictors
  6. Fluid operated

Joe C. Hromas

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Anchor apparatus for a tubing and wireline conveyed method and a

Wells – Processes – Placing or shifting well part
Patent

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Apparatus for releasing a pipe string from an object stuck downh

Wells – Processes – Disassembling well part
Patent

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Automatic tubing release

Wells – Processes – Perforating – weakening – bending or separating pipe at an...
Patent

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Azimuth-oriented perforating system and method

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

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Coupling apparatus for a tubing and wireline conveyed method and

Wells – Processes – Disassembling well part
Patent

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Profile ID: LFUS-PAI-P-108458

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