共 10 条
[9]
Measurement and Analysis of the Pressure Drop in a Vertical Annulus in a Simulated Air Drilling Operation. Supon S B,Adewumi M A,and Fairchild N. SPE,17039-MS . 1987
[10]
Review of Air and Gas Drilling. George E, Cannon,and Ralph A. Watson. SPE,703-G . 1956