Deputy, Robert W. <br/><br/>
How to reduce drilling costs 

 - Chichester, England :   Wiley,   1991. 
 - 12 p. 
 - World Petroleum Congress; 8 .
<br/><br/> 15th World Petroleum Congress 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PETROLEO<br/>PERFORACION
<br/><br/><label>Universal Decimal Class. No.: </label>665.6