4. Wells
  5. Processes
  6. Operating valve, closure, or changeable restrictor in a well

Robert W. Crow

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Apparatus and method for treating an interval of a wellbore

Wells – Processes – Graveling or filter forming
Reexamination Certificate

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Apparatus and method for treating an interval of a wellbore

Wells – Processes – Graveling or filter forming
Reexamination Certificate

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Apparatus and methods for orienting devices in side pocket mandr

Wells – Processes – Placing or shifting well part
Patent

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Cheek flap for a helmet

Equipment for safety – protection – and rescue – Fire extinguisher or casing therefor – Portable or hand held
Patent

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Combination packer/safety valve assembly for gas storage wells

Wells – Packers or plugs – With expanding anchor
Patent

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Profile ID: LFUS-PAI-P-266741

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