History of oil well drilling/

Geahča maid

• Well design : drilling and production/
  Dahkki: Craft, B. C. (Benjamin Cole), et al.
  Almmustuhtton: (1962)
• Safe practices in well drilling and workover [slaid]
  Almmustuhtton: (1979)
• Practical well planning and drilling manual /
  Dahkki: 351375 Devereux, Steve
  Almmustuhtton: (1998)
• Oil well drilling technology/
  Dahkki: 450137 McCray, Arthur White, et al.
  Almmustuhtton: (1959)
• Safe drilling of wells containing hydrogen sulfide
  Dahkki: 6359 American Petroleum Institute