Oil drilling rigs and associated equipment

Geahča maid

• Drilling rigs (design and construction)
  Dahkki: British Ship Research Association
  Almmustuhtton: (1971)
• Semi-submersibles (with particular reference to drilling rigs, 1972-1977)
  Dahkki: British Ship Research Association
  Almmustuhtton: ([19-)
• Downhole disposal of oil-rig drill cuttings /
  Dahkki: Radzuan Junin 342795
  Almmustuhtton: (1996)
• Rig equipment/
  Dahkki: 449507 Lynch, Philip F.
  Almmustuhtton: (1981)
• Off-shore drilling rigs
  Dahkki: Drewry (H.P) Shipping Consultants Limited. Research Division
  Almmustuhtton: (1974)