TY  - BOOK
ED  - Hughes (Houston, Estados Unidos)
TI  - Annulus pressure operated test tools
T2  - (DST, Drill stem testing tools and services)
PY  - 1984///?]
CY  - Houston, Tex.
PB  -  : Hughes
KW  -  INDUSTRIA PETROLERA
KW  -  PERFORACION DE POZOS
KW  -  ENSAYOS
ER  -