TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Underbalanced drilling operations: API Recommended Practice 92U
U1  - Caja 12-A 
PY  - 2008///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Normalización
KW  - Normas API
KW  - Perforación desviada
ER  -