McCray, Arthur W. <br/><br/>
Oil well drilling technology/ 
Arthur W. Mc Cray and Frank W. Cole 
 - Norman:  University of Oklahoma Press,  c1957 
 - xi, 492 p.:  ill.;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> Rs. 99.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Oil well drilling<br/>Oil fields--Production methods<br/>Petroleum engineering<br/>Boring
<br/><br/><label>Dewey Class. No.: </label>622.3382