سلام من این مقاله رو می خوام Field Examples of Ultrasonically-Enhanced Density, Neutron-
Porosity and Caliper Logs obtained While Drilling”
By e.Schultz-l.Moake- c.Jackson- SPE 36545Field Examples of Ultrasonically-Enhanced Density, Neutron-
Porosity and Caliper Logs obtained While Drilling”
By...