Lyons, William C. <br/><br/>
Working guide to drilling equipment and operations / 
 Drilling equipment and operations 
William C. Lyons 
 - Burlington, MA. :  Gulf Publishing,  2010 
 - xiv, 602 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>9781856178433 (pbk.) :  RM284.98 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Oil well drilling--Equipment and supplies<br/>Gas well drilling--Equipment and supplies