4. Boring or penetrating the earth
  5. With well-type screen

William John Darnell

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Bypass device for wellbores

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

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Coiled tubing multi-zone jet frac system

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Completion system for a well

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Filter sub

Boring or penetrating the earth – With well-type screen
Reexamination Certificate

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Method for flowing fluid into or from a well

Wells – Processes – Placing fluid into the formation
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2201889

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