The SPE Drilling & Completion  journal extends its sincere appreciation to everyone who provided a technical review for at least one paper during 2012. Many of our reviewers contributed their expertise to more than one paper during the year. We recognize the time commitment these individuals have made in agreeing to review papers and appreciate the impact that their efforts have had on the published papers throughout the year. Volunteers such as these individuals are essential to assuring the journal publishes manuscripts of high quality and lasting value. Thank you to our dedicated reviewers for their contributions.

Editor-in-Chief: Stephen A. Holditch, Texas A&M University

Executive Editors: Curtis Cheatham, Weatherford International and Carl Thaemlitz, Halliburton

Associate Editors: Shilin Chen, Halliburton
Barkim Demirdal, Nexen
Fionn Iversen, International Research Institute of Stavanger
Richard Jachnik, Baker Hughes
John Mason, BP Exploration Operating
Maximiliano Medina, Statoil Canada
Steve Nas, SPT Group
Bernard Piot, Schlumberger
Kaibin Qiu, Schlumberger
John Thorogood, Drilling Global Consultant
Christoph Zerbst, Petroleum Development Oman
Yunxu (Joe) Zhou, National Oilwell Varco

Technical Editors: Bernt Aadnoy, University of Stavanger
Adrian Adams, Nexen
Sergio Aguilar, Schlumberger
Khalid Ahmed, Kuwait Oil
Ramadan Ahmed, University of Oklahoma
Goke Akinniranye, Schlumberger
Abdullah Al-Yami, Saudi Aramco
Luis Alcoser, Noble Energy
Stephen Almond, MeadWestvaco
Mohammed Alotaibi, Saudi Aramco
Md Amanullah, Saudi Aramco
Oystein Arild, International Research Institute of Stavanger
Annie Audibert-hayet, Total
Jim Azzola, Thermal Science
Adebola Bada, Total E&P Nigeria
Ali Bagci, Baker Hughes
Mao Bai, Halliburton
Stephen Baumgartner, Marathon Oil
Frederick Beck, Texas A&M University
Glen Benge, Benge Consulting
James Bloys, Chevron
Paul Boonen, PathFinder Energy Services
Jake Booth, Booth Consulting
Kenneth Bridges, Kenneth Bridges Consulting
Marco Brignoli, Eni E&P
Mark Brinsden, Shell
Paul Broussard, Repsol USA
Jay Bruton, Schlumberger
Oswaldo Bustos Angel, Schlumberger
Michael Byrne, Senergy World
Bob Carpenter, Chevron
Frank Chang, Saudi Aramco
David Chen, Halliburton
Yiyan Chen, Schlumberger
Sing Ki Choi, CSIRO Petroleum
Suk-Kyoon Choi, Chevron
Hayes Chow, ConocoPhillips
David Clark, Baker Hughes
John Cohen, AGR Subsea
Patrick Collins, Petroleum Geomechanics
John Cook, Schlumberger
Laurence Corbett, Schlumberger
Alexander Crabtree, Hess
Jose Cunha, Petrobras America
David Curry, Baker Hughes
Rageb Dajani, Hess
Michael Davis, Drill Science
Rapier Dawson, ExxonMobil (Retd.)
Sebastian Desmette, Diamant Drilling Services
Jay Deville, Halliburton
Rick Dickerson, Chevron
Mingqin Duan, Chevron
Mark Dykstra, Shell
Mohamed Efnik, Mubadala Oil and Gas
Mahmoud Elgizawy, Schlumberger
Lei Fang, Baker Hughes
Martyn Fear, Husky Energy
Niall Fleming, Statoil
Christopher Fredd, Schlumberger
George Fuller, Shell
Kenji Furui, ConocoPhillips
Guohua Gao, Shell
Garry Garfield, Baker Hughes
Laurent Gerbaud, Mines ParisTech
Eduardo Gildin, Texas A&M University
Colin Gillan, Canrig Drilling Technology
George Gillespie, Weatherford
Rune Godoy, Statoil
Naval Goel, Consultant
Hongren Gu, Schlumberger
Alex Guild, Chevron
Dominique Guillot, Schlumberger
Boyun Guo, University of Louisiana at Lafayette
Quanxin Guo, M-I Swaco
Oguzhan Guven, Schlumberger
Dennis Hahn, Enerplus Resources
Afif Halal, Shell
Roy Hartley, Aurelian Oil and Gas
Asadollah Hayatdavoudi, University of Louisiana at Lafayette
Alan He, Statoil
Denis Heliot, Schlumberger
Rosemary Irrgang, Irrgang Reservoir Management
Christopher Jablonowski, Shell
Simon James, Schlumberger
Sandeep Janwadkar, Baker Hughes
Farzam Javadpour, University of Texas at Austin
Robert Jeffrey, CSIRO Petroleum
Havard Joranson, Statoil
Shah Kabir, Hess
Rajesh Kadiyala, Genesis Oil and Gas Consultants
Seung Kam, Louisiana State University
Anand Kannappan, Weatherford
Keith Katahara, Hess
Vassilios Kelessidis, Technical University of Crete
Patrick Kenny, Murphy Exploration and Production
Frans Klever, Shell
Eric Kocian, ExxonMobil
Dick Krabbendam, DPK Engineering
David Kulakofsky, Impact Fluid Solutions
Ergun Kuru, University of Alberta
Hemant Ladva, Schlumberger
Gensheng Li, China University of Petroleum
Xuhui Liu, Yangtze University
Elyezer Lolon, Marathon Oil
Rosana Lomba, Petrobras
Ross Lowdon, Schlumberger
Sudhakar Mahajanam, ConocoPhillips
Srikant Mahapatra, ADMA-OPCO
Pierre-David Maizeret, Schlumberger
Zhen Mao, K&M Technology Group
Dave Marshall, Baker Hughes
Buddy McDaniel, Halliburton
Graham McElhinney, Schlumberger
Stephane Menand, Drillscan US
Graham Mensa-Wilmot, Chevron
Cristiane Miranda, Petrobras
Stefan Miska, University of Tulsa
Robert Mitchell, Halliburton
Jakob Monberg, Maersk Oil and Gas
Daniel Moos, GeoMechanics International
Michael Morgenthaler, Cutpoint
Zsolt Nagy, Shell
Jamal Naser, Swinburne University of Technology
Hisham Nasr-El-Din, Texas A&M University
Runar Nygaard, Missouri University of Science and Technology
Evren Ozbayoglu, University of Tulsa
Paul Paslay, Manatee
Andrew Patterson, BP Exploration
Carlos Pedroso, Petrobras
Joao Carlos Placido, Petrobras
Jack Pruitt, Halliburton
Gangerico Ramos, ConocoPhillips
Muthukumarappan Ramurthy, Halliburton
Bharath Rao, BTechSoft
Agathe Robisson, Schlumberger
Luiz Alberto Rocha, Petrobras
Sid Ruiz, Stokes & Spiehler Petroleum Engineering and Consulting Professionals
Robello Samuel, Halliburton
Frederic Santarelli, Geomec
Otto Santos, Petrobras
Steven Sawaryn, BP Exploration
Paul Scott, ConocoPhillips
Subhash Shah, University of Oklahoma
Sara Shayegi, Shell
Jibin Shi, Schlumberger
Rong Shu, Halliburton
Jackie Smith, Stress Engineering Services
John Smith, Louisiana State University
Mehmet Sorgun, Izmir Katip Celebi University
Mirano Spalburg, Shell
Roderic Stanley, NDE Information Consultants
David Stiles, ExxonMobil
Junichi Sugiura, Schlumberger
Mohammad Tabatabaei, Marathon Oil
Farzad Tahmourpour, Halliburton
Brian Tarr, Shell
Raymond Tibbles, Schlumberger
Steven Tipton, University of Tulsa
Bernard Tremblay, Saskatchewan Research Council
Mayank Tyagi, Louisiana State University
Eric Upchurch, Chevron
Claas Van Der Zwaag, Statoil
Guilherme Vanni, Petrobras
Eric Vosburgh, Maersk Oil and Gas
David Wagner, Chevron
Michael Weatherl, Hess
Geoffrey Weighill, BP (Retd.)
Harry Wilson, Baker Hughes
Warren Winters, BP America
Hongwei Wu, Texas First Industrial
Xianping (Sean) Wu, Shell
Yuxing Xiao, BP America
Liangjun Xie, Baker Hughes
YingQing Xu, Baker Hughes
Gongrui Yan, Schlumberger
Luo Yuejin, BP Exploration
Karim Zaki, Advantek International
Haifeng Zhao, General Electric
Andrew Zheng, Schlumberger
Hong Zhu, Baker Hughes