4. Wells
  5. Processes
  6. Cementing, plugging or consolidating

Lyle W. Andrich

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Apparatus and method for temporarily plugging a tubular

Wells – Processes – Cementing – plugging or consolidating
Patent

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Circulating gun system

Boring or penetrating the earth – Boring with explosion in inaccessible hole – With wall engaging packer or anchor
Reexamination Certificate

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Device and methods for firing perforating guns

Ordnance – Well perforators
Reexamination Certificate

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Device and methods for firing perforating guns

Ordnance – Well perforators
Reexamination Certificate

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Method and apparatus for activating an electric wireline firing

Ammunition and explosives – Igniting devices and systems – Initiating devices
Patent

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Profile ID: LFUS-PAI-P-846925

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