4. Boring or penetrating the earth
  5. Processes
  6. Boring with specific fluid

Jack Cowan

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Colloidal and colloidal-like systems in aqueous, clay-based...

Earth boring – well treating – and oil field chemistry – Well treating – Contains intended gaseous phase at entry into wellbore
Reexamination Certificate

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Compositions and methods for sealing formations

Earth boring – well treating – and oil field chemistry – Well treating – Contains intended gaseous phase at entry into wellbore
Reexamination Certificate

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Compositions and methods for sealing formations

Boring or penetrating the earth – Processes – Boring with specific fluid
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2717658

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