Making hole /

Ижил төстэй зүйлс

• Making hole
  -н: University of Texas. Petroleum Extension Service
  Хэвлэсэн: (1968)
• Drilling a straight hole
  -н: University of Texas. Petroleum Extension Service
  Хэвлэсэн: (1968)
• Makin' hole [videorecording] : how oilwells are drilled /
  -н: The University of Texas at Austin. Petroleum Extension Service
  Хэвлэсэн: (1999)
• Planning for drilling in hydrogen sulfide zone
  -н: University of Texas. Petroleum Extension Service
  Хэвлэсэн: (1978)
• The hoisting tools : blocks, hook and wire line
  -н: University of Texas. Petroleum Extension Service, зэрэг
  Хэвлэсэн: (1966)