4. Boring or penetrating the earth
  5. Boring a submerged formation

David C. Guinn

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Blow out preventer handling system

Boring or penetrating the earth – Boring a submerged formation
Patent

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Blow out preventer handling system

Supports – Pipe or cable – Extending through plate
Patent

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Casing handling system

Conveyors: power-driven – Conveyor system for arranging or rearranging stream of items – By laterally or vertically moving successive items in...
Patent

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Mooring system for floating drilling vessels

Ships – Anchoring arrangement
Patent

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Pivotal and releasable rat hole assembly

Supports: racks – Special article – Article includes elongated portion
Patent

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Profile ID: LFUS-PAI-P-457928

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