TY - DATA AU - Lorentzen,Rolf J. AU - Fjelde,Kjell Kare AU - Froyen,Jonny AU - Lage,Antonio C.V.M. AU - Fjelde,Kjell Kare AU - Froyen,Jonny AU - Lage,Antonio C.V.M. ED - Petrobras ED - SPE Annual Technical Conference and Exhibition (2001 sept. 30-3 oct. : New Orleans) ED - Petrobras TI - Underbalanced and low-head drilling operations: Real time interpretation of measured data and operational support KW - Perforación bajo balance N1 - Disponible en formato PDF ER -