Economides, Michael J. Petroleum production systems / Michael J. Economides, A. Daniel Hill, Christine Ehlig-Economides. - Englewood Cliffs, N.J. : PTR Prentice Hall, c1994. - x, 611 p. : ill. ; 25 cm. Includes bibliographical references and index. ISBN: 013658683X : $54.00 Subjects--Topical Terms: Oil fields--Production methods.