The drill stem

Ижил төстэй зүйлс

• The blocks and drilling line
  -н: University of Texas. Petroleum Extension Service
  Хэвлэсэн: (1981)
• The rotary rig and its components
  -н: University of Texas. Petroleum Extension Service
  Хэвлэсэн: (1976)
• Safety on the rig
  -н: University of Texas. Petroleum Extension Service
  Хэвлэсэн: (1976)
• The hoisting tools : blocks, hook and wire line
  -н: University of Texas. Petroleum Extension Service, зэрэг
  Хэвлэсэн: (1966)
• Handling drill pipes, drill collars and tool joints [filem]
  Хэвлэсэн: ([n.d)