4. Wells
  5. Packers or plugs
  6. With expanding anchor

Graham E. Farquhar

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Grooved expandable recess shoe and pipe for deployment of...

Wells – Processes – Assembling well part
Reexamination Certificate

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Insert sleeve forming device for a recess shoe

Wells – Processes – Assembling well part
Reexamination Certificate

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Lubricator valve with rotational flip-flap arm

Wells – Processes – Operating valve – closure – or changeable restrictor in a well
Reexamination Certificate

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One trip tubular expansion and recess formation apparatus...

Wells – Processes – Assembling well part
Reexamination Certificate

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Plug and expel flow control device

Wells – Packers or plugs – With expanding anchor
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2879568

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