4. Wells
  5. Packers or plugs
  6. With controllable bypass outside central conduit

Ian Gillies

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Deflector tool for deflecting items through a window in...

Wells – Means for guiding insertable element laterally of well axis – Secured in operative position by movable means engaging well...
Reexamination Certificate

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Downhole bypass valve

Wells – Valves – closures or changeable restrictors – Fluid operated
Reexamination Certificate

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Downhole scraper assembly

Wells – Brushing – scraping – cutting or punching-type cleaners – On tubing or casing
Reexamination Certificate

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Inflatable packer

Wells – Packers or plugs – With controllable bypass outside central conduit
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2499952

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