4. Wells
  5. Processes
  6. Perforating, weakening, bending or separating pipe at an...

Choon Fei Wong

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Providing electrical isolation for a downhole device

Wells – Processes – Perforating – weakening – bending or separating pipe at an...
Reexamination Certificate

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Secure activation of a downhole device

Boring or penetrating the earth – Boring with explosion in inaccessible hole – Independent firing of plural charges
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2938097

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