TY  - GEN
AU  - Azar, J.J.
AU  - Samuel, G. Robello
TI  - Drilling engineering
SN  - 9781593700720
PY  - 2007///
CY  - Tulsa
PB  - PennWell
KW  - OIL WELL DRILLING
KW  - GAS WELL DRILLING
N1  - Bibliography and index included
ER  -