1BA15K drilling aggregate for the drilling of large-diameter wells with reverse flushing

Autor: Val'dman, I. Ya., Pridanov, A. K., Val'dman, T. G., Fedotov, B. N.
Zdroj: Chemical and Petroleum Engineering; September 1978, Vol. 14 Issue: 9 p780-782, 3p
Databáze: Supplemental Index