TY  - BOOK
AU  - MAGCOBAR, OPERATIONS OILFIELD PRODUCTS DIVISION
TI  - DRILLING FLUID ENGINEERING MANUAL
U1  - 622.338 
PY  - 1972///
CY  - Estados Unidos
PB  - MAGCOBAR
KW  - PETROLEO-MANUALES
KW  - POZOS PETROLIFEROS-PERFORACION
N1  - D-13245 S/.400 ING. LOAIZA 93.07.01
ER  -