Page 395 - Air and Gas Drilling Manual

8-78 Air and Gas Drilling Manual
22. Hook, R. A., Cooper, L. W., and Payne, B. R., “Air, Mist and Foam Drilling:
A Look at Latest Techniques: Parts I and II,” World Oil, April and May 1977.
23. Giffin, D. R., and Lyons, W. C., “Case Histories of Design and Implementation
of Underbalanced Wells,” SPE 55606, Presented at the 1999 Rocky Mountain
Regional Meeting, Gillette, Wyoming, May 15-18, 1999.