Lyons, William C. <br/><br/>
Working guide to drilling equipment and operations/ 
William C. Lyons 
 - Amsterdam  :  Gulf Professional Publishing,  2009 
 - xiv, 602 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781856178433 1856178439 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Oil well drilling--Equipment and supplies<br/>Gas well drilling--Equipment and supplies