The rotary rig/ [kasetvideo]

Míreanna comhchosúla

• The rotary rig and its components/
  de réir: Gerding, Mildred, et al.
  Foilsithe / Cruthaithe: (1980)
• Care and maintenance of blocks, top drives, and rotaries [videorecording] /
  de réir: Baker, Ron, et al.
  Foilsithe / Cruthaithe: (2001)
• The rotary rig and its components
  de réir: University of Texas. Petroleum Extension Service
  Foilsithe / Cruthaithe: (1976)
• Rig equipment/
  de réir: 449507 Lynch, Philip F.
  Foilsithe / Cruthaithe: (1981)
• Safety on the rig
  de réir: University of Texas. Petroleum Extension Service
  Foilsithe / Cruthaithe: (1976)