Production Information

Society of Petroleum Engineers

Journal Staff
Executive Editor: John Mason
Publisher: Georgeann Bilich
Staff Editor: Shashana Pearson-Hormillosa

Publications Staff
Senior Manager Programs & Publications: Holly Hargadine; Technical Publications Manager: Carole Young; Associate Editor: Jennifer Wegman; Assistant Editor: Chris Carpenter; Peer Review Coordinator: Stacie Hughes; Editorial Assistant: Ina De Lage; Senior Manager Publishing Services: Alex Asfar; Technical Publications Production Manager: Mary Jane Touchstone; Production Supervisor: Laurie Sailsbury; Proofreaders: David Gragert and Dennis Scharnberg.

Advertising Representative
Senior Manager Sales: Paul Thone , SPE, 10777 Westheimer Rd., Ste. 335, Houston, Texas, U.S.A. 77042. Phone: 01.713.779.9595. Fax: 01.713.779.4216. SPE Drilling & Completion (ISSN 1064-6671–print; ISSN 1930-0204–on-line) is published in March, June, September, and December by the Society of Petroleum Engineers, 222 Palisades Creek Dr., Richardson, TX 75080, U.S.A. Domestic subscriptions: $50/yr (members), $150/yr (nonmembers). For International and online subscription rates go to www.spe.org/journals. Periodicals postage paid at Richardson, Texas, and additional mailing offices. Printed in U.S.A. POSTMASTER: Send address changes to SPE Drilling & Completion, P.O. Box 833836, Richardson, TX 75083-3836, U.S.A. Copyright © 2006 Society of Petroleum Engineers.

Editorial Policy: SPE encourages open and objective discussion of technical and professional subjects pertinent to the interests of the Society in its publications. SPE publications shall contain no judgmental remarks or opinions as to the technical competence, personal character, or motivations of any individual, company, or group. Any material that, in the publisher’s opinion, does not meet the standards for objectivity, pertinence, and professional tone will be returned to the contributor with a request for revision before publication.

Copyright and Use: The Society of Petroleum Engineers grants permission to make up to five copies of any article in this journal to which it holds copyright (as designated by copyright statement on the first page of the article). This permission is in addition to copying rights granted by law as fair use or library use. For copying beyond that provided by law or the above permission, libraries and other users should contact the Copyright Clearance Center (CCC), 222 Rosewood Drive, Danvers, MA 01923, U.S.A. or write SPE Customer Service Dept. at SPE Dallas to obtain permission to make more than five copies or for any other special use of copyrighted material in this journal. The above permission notwithstanding, SPE does not waive its right as copyright holder under the U.S. Copyright Act. Microfilm and Other Copies: Microfilm copies of SPE papers are available from SPE Dallas or from University Microfilms Inc., 300 N. Zeeb Rd., Ann Arbor, MI 48106, U.S.A. Printed copies of recent SPE papers are available from the elibrary: www.spe.org/elibrary.

Manuscript Submission: Author instructions available at SPE.org or upon request. Manuscripts and figures should be submitted electronically to peer@speservicecorp.com. Microsoft Word is preferred for the text and figure captions.Subscription Address Change: Write SPE Americas (address Customer Service Dept.) to notify of address change.

SPE Offices:  Americas, P.O. Box 833836, Richardson, TX 75083-3836, U.S.A., phone 01.972.952.9393, fax 01.972.952.9435. Houston, 9555 West Sam Houston Pkwy. South, Suite 360, Houston, TX 77099-2134, U.S.A., phone 01.713.779.9595, fax 01.713.779.4216. Asia Pacific, Suite B-11-11, Level 11, Block B, Plaza Mont’Kiara, Jalan Bukit Kiara, Mont’Kiara, 50480 Kuala Lumpur, Malaysia, phone 60.3. 6201.2330, fax 60.3.6201.3220 or 60.3.6201.4220. Europe and Russia, 4th Floor, Empire House, 175 Piccadilly, London W1V 9DB, U.K., phone 44.207.408.4466, fax 44.207.408.2299. Middle East, India, and Africa, SPE Middle East FZ-LLC, P.O. Box 502217, Dubai, UAE, phone 01.971.4.390. 3540, fax 01.971.4.366.4648.

SPE Publications: SPE is not responsible for any statement made or opinions expressed in its publications, including this journal and the Journal of Petroleum Technology, SPE Reservoir Evaluation & Engineering, SPE Production & Operations, SPE Projects, Facilities & Construction, and SPE Journal. This publication accepts advertising for goods and services that, in the publisher’s judgment, address the technical or professional interests of its readers. Permission to reproduce articles for commercial use is restricted to an abstract of no more than 300 words. Illustrations may not be reproduced for such use; abstracts may not be included in commercial electronic products/publications without the express written permission of the Society of Petroleum Engineers Inc. The abstract should contain conspicuous acknowledgment of SPE copyright. Contact SPE, P.O. Box 833836, Richardson, TX 75083-3836, U.S.A., fax 01.972.952.9435.