Darley, H. C. H. <br/><br/>
Composition and properties of drilling and completion fluids / 
H.C.H. Darley, George R. Gray 
 - 5th ed. 
 - Houston :  Gulf Pub. Co., Book Division,  c1988 
 - ix, 643 p. :  ill. ;  24 cm. 
<br/><br/> Rev. ed. of: Composition and properties of oil well drilling fluids / George Gray, H.C.H. Darley, Walter F. Rogers 
<br/><br/>Includes bibliographies and indexes 
<br/><br/><label>ISBN: </label>087201147X 9780872011472 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drilling muds<br/>Completion fluids