Proceedings drilling conference :  23-25 february/ 
1993, amsterdam, the netherlans /  Sponsored by international Association of drilling contractors, Society of petroleum engineers 
 - 963 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Perforadoras de pozos--Congresos<br/>Taladrado--Congresos
<br/><br/><label>LC Class. No.: </label>TN871.2  / D738 1993