Editor-in-Chief: Yannis C. Yortsos, University of Southern California

 Executive Editors:  Reservoir Engineering: Anil Ambastha, Chevron
                                      Reservoir Evaluation:   Cosan Ayan, Schlumberger

 Associate Editors: Serhat Akin, Middle East Technical University; Tayfun Babadagli, University of Alberta; Dennis Beliveau, Consultant; Peter Clifford, BP America; Steven F. Crary, Schlumberger; Mojdeh Delshad, Unversity of Texas; Nader C. Dutta, Schlumberger; Patrick Egermann, GDF Suez; Turgay Ertekin, Pennsylvania State University; Richard Hallam, BP America; Dimitrios G. Hatzignatiou, IRIS/UiS; Byron Haynes, Shell E&P; Marc Hettema, StatoilHydro; Florian Hollaender, Schlumberger; Jeffrey Jones, Nations Petroleum; Seung Kam, Louisiana State University, Apostolos Kantzas, University of Calgary; Sunil Kokal, Saudi Aramco; Anthony Kovscek, Stanford University; David Larue, Chevron; Lilian Lo, Shell E&P; Shahab Mohaghegh, West Virginia University; Ann Muggeridge, Imperial College; Jasper Ring, Chevron North America Upstream; Hemanta Sarma, University of Adelaide; Gary Teletzke, ExxonMobil Upstream Research; Marco Thiele, Streamsim Technologies; Diederik van Batenburg, Shell E&P; Omar Varela, ExxonMobil Upstream Research; Michael Webster, BP; and Burak Yeten, Chevron.

 Technical Editors: Yafes Abacioglu, BP; Doddy Abdassah, Bandung Institute of Technology; Issa M. Abu-Shiekah, Petroleum Development Oman; Bhargaw Adibhatla, ExxonMobil; Gurbat S. Agaev, StatoilHydro; Roberto Aguilera, University of Calgary; Michael J. Aikman, Occidental Oil & Gas; Ridvan Akkurt, Saudi Aramco; Abdullah Alajmi, Kuwait University; Nasser Albartamani, PDO; Hussein Alboudwarej, Chevron; Saud Al-Fattah, Saudi Aramco; Jacques Alfenore, Total E&P USA; Hasan S. Al-Hashim, King Fahd University of Petroleum and Mining; Abdulaziz Al-Kaabi, Saudi Aramco; Azhar Alkindi, Shell; Shafiq A. Allahwala, Minaret Petroleum; Muhammad A. Al-Marhoun, King Fahd University of Petroleum and Mining; Ali A. Al-Meshari, Saudi Aramco; Vladimir Alvarado, University of Wyoming; Yahya Al-Wahaibi, Sultan Qaboos University; Luiz Amado, Petrobas America; Shahram Amini, Schlumberger; Kashy Aminian, West Virginia University; Mohammed Amro, King Saud University; Toshiyuki Anraku, Japan Petroleum Exploration; Joseph Ansah, Saudi Aramco; Jeffrey F. App, Chevron; Matthias Appel, Shell E&P Technology; Aura Araque-Martinez, Object Reservoir; Mariela G. Araujo Fresky, Shell E&P; Kazuhiro Asakawa, Consultant; Koorosh Asghari, University of Regina; Abdolrahim Ataei, Petronas; Safian Atan, Marathon Oil; Harun Ates, Kelkar & Associates; Tor Austad, University of Stavanger; S. M. Avasthi, Avasthi & Associates; Luis Ayala, Pennsylvania State University; Subhash Ayirala, Shell E&P; Oluropo R. Ayodele, Shell E&P; Muhammad Ayub, Saudi Aramco; Ali Bagci, Eclipse Production Technology, Asnul Bahar, Kelkar & Associates; Baojun Bai, Missouri University of Science and Technology; William Bailey, Schlumberger; Gossen Bakker, Shell E&P; Jeff Baldwin, Fugro-Jason; Indranil Barman, Matador Resources; Philip Bassant, Chevron; Peter Bastian, Unconventional Gas Resources; Samih Batarseh, Aera Energy; Surendra Bateja, Oil & Natural Gas; Roderick Batycky, StreamSim Technologies; Clarke Bean, Chevron; Pavel G. Bedrikovetsky, University of Adelaide; Ronald Behrens, Chevron; Richard Beier, Oklahoma State University; Alexander J. Belien, Shell Technology Canada; Elisabeth Bemer, Institute Francais du Petrol; Roman Berenblyum, International Research Institute of Stavanger; Henri Bertin, LEPT – ENSAM; Gregg E. Birrell, Tullow Oil; Thomas Blasingame, Texas A&M University; Suhas V. Bodwadkar, Schlumberger; Diederik Boersma, Petroleum Development Oman; Paul Bondor, Bontech; Paul M. Boonen, PathFinder Energy Services; Rupam Bora, EnCana Oil & Gas (USA); Garfield Bowen, Schlumberger; Keith S. Boyle, Santos; Bryan Bracken, Chevron; Marco Brignoli, Eni E&P; Robert Bruant, BP America; Steven Bryant, The University of Texas; Thang Bui, Schlumberger; Jon E. Burger, Chevron: Andreas Busch, Shell E&P; Rodolfo Camacho Velazquez, Pemex; Andrew Carnegie, Schlumberger; Louis Castanier, Stanford University; Alexandre Castellini, Chevron; Abel Chacon, BP America; Richard Chalaturnyk, University of Alberta; Mark Y. Chan, StatoilHydro; Andrew Chen, BP Canada Energy; Chih Chen, Kappa; Jiansheng Chen, Baker Hughes; Songhua Chen, Baker Atlas; Wen H. Chen, Chevron; Yuguang Chen, Chevron; Arthur Cheng, Cambridge Geosciences; Hao Cheng, Chevron; Yueming Cheng, West Virginia University; Yaw Peng Cheong, CSIRO Petroleum; Chii-Shyoung Chiou, ExxonMobil Production; Sing Choi, Csiro Petroleum; Manoj K. Choudhary, Hess; Jes Christensen, DONG E&P; Richard L. Christiansen, Wind River Resources; Yildiray Cinar, University of New South Wales; Jean-Baptiste Clavaud, Chevron; Torsten Clemens, OMV Exploration/Production; Edward A. Clerke, Saudi Aramco; Philip Closmann, Consultant; Rafael Cobenas, Chevron Technology; Patrick M. Collins, Petroleum Goemechanics; Laurence Corbett, Schlumberger; Benoit Couet, Schlumberger; Stephen Coutts, Shell UK; Jefferson Creek, Chevron; Prentice G. Creel, Kinder Morgan CO2; Myrt Cribbs, Chevron; Luciane Cunha, University of Alberta; Abhijit Dandekar, University of Alaska; Swapan Das, Marathon Oil; William J. DaSie, Chevron; John Davies, Chevron; Jean-Pierre Deflandre, Institut Francais di Petrole; Geurt Deinum, Petroleum Development Oman; Pierre Delfiner, PetroDecisions; Mohammad Delshad, Saudi Aramco; Birol Demiral, University Teknologi Petronas; Guncel Demircan, EnCana Oil & Gas; Milind Deo, University of Utah; Richard B. Dessenberger, Knowledge Reservoir; Clayton Deutsch, University of Alberta; Edward Dezabala, Hess; Deniz Dindoruk, Shell E&P; Minghua Ding, Shell Canada; Iskander Diyashev, IRDC; David I. Dratler, ExxonMobil Exploration; Kuifu Du, Shell; Yuqi Du, Repsol YPF; Steven Duguid, Core Labs UK; Marc Durandeau, IFPMEC; Maurice Dusseault, University of Waterloo; Carl M. Edwards, Baker Hughes; Mohamed R. S. Efnik, Abu Dhabi Company Onshore Oil Operation; John Egan, EERC; Christine Ehlig-Economides, Texas A&M University; Ahmed El-Banbi, Schlumberger; Noaman A. El-Khatib, University Technology Petronas; Salem M. Elmsallati, Petroleum Development Oman; Adel M. Elsharkawy, Kuwait University; Alan S. Emanuel, Chevron Retiree; Mohammed Emera, Shell Egypt; Thomas Engler, New Mexico Tech; Freddy Escobar, Surcolombiana University; Lesley Evans, Williams Production; John Ezekwe, Devon Energy Production; Windsong Y. Fang, ConocoPhillips; Christopher L. Farmer, University of Oxford; Ali S. M. Farouq, H.O.R. Tech; Konstantin M. Fedorov, Tyumen State University; Darryl Fenwick, Streamsim Technologies; Scott P. Fey, Schlumberger; William Fitchen, Occidental Libya; Ingebret Fjelde, IRIS; Paul Fjerstad, Chevron; Peter Fokker, TNO Institute Applied Geosciences; Alexander N. Folefac, BG Group; Jerry Fontanilla, Saudi Aramco; James Foreman, ExxonMobil Exploration; Joanne Fredrich, BP America; Jay M. Gabbard, Consultant; Allyson Gajraj, SunRise PetroSolutions Tech; Tao Gang, PetroTel; Leonhard Ganzer, Consultant; Guohua Gao, Shell; Guozhong Gao, Schlumberger; Li Gao, Halliburton; Narmina Garayeva, Addax Petroleum; Razi Gaskari, Intelligent Solution; Ridha C. Gharbi, Kuwait University; Ahmad Ghassemi, Texas A&M University; Shawket G. Ghedan, The Petroleum Institute; Saleem G. Ghori, ExxonMobil; Leo A. Giangiacomo, Western Oil & Gas Development; John V. Gilbert, Barree & Associates; Carlos Glandt, Shell E&P; Harvey Goodman, Chevron; Oliver Gosselin, Total; Fatosh Gozalpour, BP Exploration; Malcolm Greaves, University of Bath; Don Green, University of Kansas; Herve Gross, Chevron; Linhua Guan, StatoilHydro; Juan Guevara-Jordan, University Central de Venezuela; Asbjorn Gyllensten, ADCO Producing; Teruhiko Hagiwara, Terry Research & Development; Jacques Hagoort, Hagoort & Associates; Leslie E. Hajdo, BHP Billiton; Hugh Hales, Brigham Young University; Larry M. Hall, Baker Hughes; Jeffry G. Hamman, Marathon Oil; David Hampton, Occidental Permian; Choongyong Han, Chevron; Gang Han, Hess; Ming Han, Saudi Aramco; Kirk Hansen, Shell E&P; Abdallah Harouaka, IHR; D. Ronald Harrell, Ryder Scott; Robert Harrison, Soluzioni Idrocarburi; William Haskett, Decision Strategies; Astley F. Hastings, The University of Aberdeen; Jeff Hawkins, BHP Billiton; Asadollah Hayatdavoudi, University of Louisiana at Lafayette; Ehtesham Hayder, Saudi Aramco; Randy Hazlett, Potential Research Solutions; Chuanping He, ConocoPhillips; Kes Heffer, Heriot-Watt University; Denis Heliot, Schlumberger; Mohamed Helmy, ExxonMobil Development; Kesavalu Hemanthkumar, Saudi Aramco; Julio Herbas, Maersk Olie & Gas; Paul Hicks, ExxonMobil Upstream Research; Donald G. Hill, Hillpetro; Takeshi Hiraiwa, Abu Dhabi Marine Operating ; George Hirasaki, Rice University; Kirk Hird, BP; Robert Hite, Consultant; B. Todd Hoffman, DRC Consulting; Mark H. Holtz, Praxair; Mehdi Matt Honarpour, Hess; Clark Huffman, Consultant; Mun-Hong Hui, Chevron; Akm N. Huq, BG Group; Sharon Hurst, Consultant; Olf Huseby, Institute for Energiteknikk; Odd Hustad, StatoilHydro; Myung Hwang, PetroTel; Mazher H. Ibrahim, EOG Resources; Dilhan Ilk, Texas A&M University; Solomon Inikori, Shell E&P; Gamze Ipek, EnCana Oil & Gas; Rosemary Irrgang, Irrgang Reservoir Management Proprietary; Omer Izgec, Chevron; D. Elden Jaafar, Shell Canada; Charles E. Jackson, Halliburton Energy Services; Richard Jackson, Schlumberger; M. Saeed K. Jadoon, Oil & Gas Development; Behnam Jafapour, Texas A&M University; Namit Jaiswal, Shell E&P; Bruce James, Woodside Energy; Jan-Dirk Jansen, Shell E&P; Shekhar Jayanti, PetroTel; Creties Jenkins, DeGolyer and MacNaughton; James W. Jennings, Shell E&P; Ole K. Jensen, Consultant; Feng Jian, Chevron; Sinisha Jikich, U.S. Department of Energy National Technology Laboratory; Guodong Jin, Baker Hughes; Xudong Jing, Shell Oman; Russell Johns, The University of Texas at Austin; Alan Johnson, Shell EP Solutions UK; Alistair Jones, BP Exploration; Gerard Joosten, Shell E&P BV; Kamran R. Jorshari, StatoilHydro; Nikhil B. Joshi, Moulinex Business Services; Sameer Joshi, Schlumberger; Ruben Juanes, Massachusetts Institute of Technology; Heikki A. Jutila, Heikki Jutila & Associates; Mohammed Kalam, Abu Dhabi Company Onshore Oil Operation; Arjan M. Kamp, ADERA/CHLOE; Loveena Kapur, Occidental Petroleum; Ozgen Karacan, NIOSH-PRL; G. P. Karmaker, Rajiv Gandhi College of Engineering; Zuleima Karpyn, Pennsylvania State University; Suryanarayana Karri, Sproule International; Ekrem Kasap, Petroleum Development Oman; Keith Katahara, Devon Energy; Mohan Kelkar, University of Tulsa; Roy Kelly, Exploration Consultants; Bill Kempner, Chevron E&P Services; David G. Kersey, Saudi Aramco; Mashiur Khan, BP E&P; Arun Kharghoria, PetroTel; Gregory King, Chevron Overseas Petroleum; Mark Kittridge, Shell E&P; Louis Klonsky, Chevron; Ibrahim Kocabas, American Universtiy of Sharjah; Sait Kocberber, ExxonMobil; Richard Koepnick, Qatar Petroleum; George Koperna, Advanced Resources; Erwin Kroemer, ExxonMobil; Myron Kuhlman, MK Tech Solutions; Rajesh Kumar, Oil & Natural Gas; Rakesh Kumar, Shell E&P; Tarkeshwar Kumar, Indian School of Mines University; Vinodh Kumar, Hilcorp Energy; Francois L. Labaune, GDF SUEZ; Tara LaForce, Imperial College; Larry Lake, University of Texas at Austin; Bob Langan, Chevron Production Technology; Stephen Laubach, Bureau of Economic Geology; Alexandre Lavrov, SINTEF Petroleum Research; Joel H. Le Calvez, Schlumberger; Mickaele Le Ravalec-Dupin, Institute Francais du Petrole; Jaedong Lee, ConocoPhillips; Jong I. Lee, Petro-Canada Oil & Gas; Sang H. Lee, Chevron; Pierre Lemouzy, Becip-Franlab; Brian M. Lenoach, Schlumberger; Dachang Li, ExxonMobil Upstream Research; Dacun Li, University of Texas of the Permian Basin; Gaoming Li, University of Tulsa; Liyong Li, Chevron; Baosheng Liang, Chevron; Jenn-Tai Liang, University of Kansas; Jong-Se Lim, Korea Maritime University; Min-Teong Lim, Shell E&P; Niels Lindeloff, Maersk Oil; Wolfgang Littmann, Consulting Reservoir Engineering; Jianchum Liu, Shell; Kai Liu, ExxonMobil Upstream Research; Yajun Liu, PetroTel; Christopher Lolley, Chevron; , Jean-Marc Lombard, Institute Francais du Petrol; Gavin Longmuir, Consulting Petroleum Engineers; Wim Looyestijn, Shell E&P BV; Xavier Lopez, Beicip-Franlab; Shouxiang M. Ma, Saudi Aramco; Sameh M. Macary, Chevron Australia; David MacDonald, BP Exploration; Jagannathan Mahadevan, University of Tulsa; Kenneth Mahrer, Weatherford; Pierre-David Maizeret, Schlumberger Vietnam Services; Axel H. Makurat, Shell E&P; Adel Malallah, Kuwait University; Daniel Maloney, ConocoPhillips; Eduardo Manrique, Norwest Questa Engineering; Jorge Manrique, Shell; Rahim Masoudi, Petronas; Paul Massarotto, University of Queenland; Saikrishna Maudgalya, Anadarko Petroleum; Saikat Mazumder, Shell; Michael McCracken, ExxonMobil; Duane McVay, Texas A&M University; Michael McWilliams, Plains E&P; William Meddaugh, Chevron; Donald A. Medwedeff, Chevron; Palle L. Mikkelsen, Murphy Sarawak Oil; William Milliken, Chevron; Luis Javier Miranda, Petroleos de Venezuela; Ilya Mishev, ExxonMobil Upstream Research; Martin Mlacnik, ConocoPhillips; Daniel Moos, GeoMechanics; Jamie Moreno, Schlumberger; Rosangela Z. Moreno, State University of Campinas; George Moridis, Lawrence Berkeley Laboratory; Robert Mott, Pera A/S; Didier-Rene Muller, GDF SUEZ; P. N. Mutalik, Williams E&P; Geir Naevdal, International Research Institute of Stavanger; Reza Naimi-Tajdar, ConocoPhillips; Gopi Nalla, Chevron; Gene Narahara, Chevron; Keshav Narayanan, Occidental Oil & Gas; Wayne Narr, Chevron; Hadi Nasrabadi, Texas A&M University at Qatar; Thomas J. Neville, Schlumberger; Quoc P. Nguyen, University of Texas at Austin; Viet H. Nguyen, ConocoPhillips Australia; Dan Nichita, University of Pau; Ferry Nieuwland, BP; Myeong H. Noh, Chevron; Rashed Noman, Qatar Petroleum; Jan-Erik Nordtvedt, Epsis; Stephen O. Norris, J-W Operating Company; Peyman Nurafza, Eon Ruhrgas UK North Sea; Eguono Obi, Schlumberger Information Solutions; William O'Brien, Occidental of Elk Hills; Mike O'Dell, Occidental Oil & Gas; Kolawole P. Ojo, Apache; Ender Okandan, Middle East Technical University; David Olgaard, ExxonMobil Upstream Research; Mustafa Onur, Istanbul Technical University; Michael O. Onyekonwu, University of Port Harcourt; Moustafa E. Oraby, Halliburton; Cholam-Reza P. Oskui, Kuwait Institute Scientific Research; Cesar Ovalles, Chevron; Umut Ozdogan, Chevron; Erdal Ozkan, Colorado School of Mines; Geoffrey Page, Baker Hughes; Claes T. Palmgren, Oilsands Quest; Jorge E. Palomino Monteagudo, ConocoPhillips; Phiroze Patel, Aera Energy; Prabodh Pathak, ExxonMobil US Production; Wayne Pennington, Michigan Tech University; Gherson Penuela, BP; Dennis Pieters, ConocoPhillips; Wolf Pinczewski, University of New South Wales; Adolfo Pires, UENF-LENEP; Malcolm Pitts, Surtek; Mehran Pooladi-Darvish, Fekete Associates; Andrei Popa, Chevron; Klaus Potsch, OMV A.G.; David Potter, Herriot-Watt University; Denis Prokofiev, Shell; Satinder Purewal, Shell E&P; Michael Pyrcz, Chevron; N. M. Rahman, Saudi Aramco; Chandra Rai, University of Oklahoma; Varagur Rajan, Alberta Research Council; Avnish Rajvanshi, Petroleum Development Oman; Vijay Ramlal, Petroleum Co-Trinidad & Tobago; Gangerico Ramos, ConocoPhillips; Hossein Rassamdana, State Lands Commission L B; Aquiles J. Rattia, Repsol YPF; Alan Reed, Chevron; Leandro Reis, Petrobras Cenpes; Albert C. Reynolds Jr., University of Tulsa; Graham Richardson, TAQA; Jon Ringen, StatoilHydro; Nestor Rivera, Chevron; Randahl Roadifer, ConocoPhillips; John Robinson, North Ranch Resources; William Rossen, Delft University of Technology; Richard Rosthal, Schlumberger; Partha Routh, ConocoPhillips; Ritesh Sablok, Chevron; Muhammad Sahimi, University of Southern California; Akshay Sahni, Chevron; Miguel Saldana, BP; Amer M. Saleh, Mubadala Oil & Gas; Phillip Salvador, Consultant; Fernando V. Samaniego, UNAM; Pierre Samier, Total ; Luigi A. Saputelli, Hess; Amit Sarkar, Shell; Vimal Saxena, Petroleum Development Oman; Thomas Schaaf, GDF SUEZ; Josephina Schembre-McCabe, Chevron; Lanny Schoeling, Kinder Morgan CO2; Mark Schrader, Chevron; Susan M. Schrader, Montana Tech; Douglas J. Schultz, Weatherford Laboratories; Peter M. Schutjens, Shell E&P; Dirk Seifert, Shell E&P; John Shafer, Reservoir Management Group; Keith Shanley, The Discovery Group; Vasilii Shelkov, Rock Flow Dynamics; Shamsuddin Shenawi, Saudi Aramco; Hyundon Shin, Suncor; Scott E. Shipley, Consultant Associates; Michael G. Shook, Chevron; Vijay Shrivastava, Computer Modeling Group; Edmond Shtepani, Westport Technology Center; Alan Sibbit, Schlumberger Oilfield Services; Shameem Siddiqui, Texas Tech University; Richard Sigal, University of Oklahoma; Shekhar Sinha, Schlumberger; Arne Skauge, Center for Integrated Petroleum Research; Robertus Smits, Shell E&P BV; Jurgantono Soeriawinata, Occidental of Oman; Mirano Spalburg, Shell E&P; Michael Spearing, BP Exploration Operating Company; Elizabeth Spiteri, Hess; Simon Stromberg, Hess; Roberto Suarez-Rivera, Schlumberger; Vural S. Suicmez, Saudi Aramco; Michael Sullivan, Chevron; Xuefei Sun, PetroTel; Koichi Suzuki, ZADCO Petroleum; Pavel Syngaevsky, Newfields; Saifullah Talukdar, StatoilHydro; Mohammad Tamim, Bangladesh University of Engineering and Technology; Guo-Qing Tang, Chevron; Hong Tang; Consultant; Raj D. Tewari, Petronas Carigali; Charles Thomas, TIORCO; E. C. Thomas, Bayou Petrophysics; Jacob Thomas, Halliburton; Sara Thomas, PERL Canada; Julian Thorne, Chevron; Genlin Tian, Oilsands Quest; Jalal S. Torabzadeh, California State University; Ole Torsaeter, Norwegian University of Science & Technology; Emmanuel Toumelin, Chevron North American E&P; Peter Townsley, Ressim; Thomas Tran, Chevron; Darryl E. Trcka, Weatherford; Jyun-Syung Tsau, University of Kansas; Ioannis Tsimpanogiannis, Los Alamos National Lab; Dallas Tubbs, Chevron; Azra Tutuncu, Shell E&P; Sezai Ucan, Consultant; Alfredo Urdaneta, Aera Energy; Marios Valavanides, TEI – Athens; Willem Van De Graaff, PanTerra Geoconsultants; Erik Van der Steen, Brunei Shell Petroleum Sdn Bhd; Daniel J. van Nispen, Consultant; Nikos Varotsis, Technological University of Crete; Mario A. Vasquez-Cruz, Pemex E&P; Francesca Verga, Politecnico di Torino; Marco Verlaan, Shell; Jeroen Vink, Shell E&P; Jacques Vittori, Total; Eric T. Vosburgh, Maersk Oil; Denis V. Voskov, Stanford University; John Waggoner, Schlumberger; Margaret C. Waid, Weatherford; Michael Walker, Walker Petrophysics; Demin Wang, Daqing Oil; Jianxin Wang, Chevron; Peng Wang, DeGolyer and MacNaughton; Pengju Wang, BP; Wei Wang, Occidental Petroleum; Yuandong Wang, Schlumberger DCS, Michael Ward, BP Exploration; Lawrence Weber, ExxonMobil Exploration; John Weisgram, Bainbridge Petroleum Consulting; Xian-Huan Wen, Chevron; Amy Whitaker, Chevron; Christopher White, Louisiana State University; Lee Whitebay, Whitebay & Associates; Mark Widener, Chevron; Anatol Winter, GeoFluidics; Eric Withjack, PTS Laboratories; Sau-Wai Wong, Shell E&P; Jianghui Wu, Baker Hughes; Xingru Wu, BP; Congjiao Xie, Key Laboratory of Tectonics and Petroleum Resource; Xina Xie, University of Wyoming; Hongjie Xiong, ConocoPhillips; Qiang Xu, Chevron; Wenlong Xu, Parallel Data System; Tomomi Yamada, Japan Petroleum Exploration; Fulin Yang, University of Calgary; Tao Yang, StatoilHydro; Zhengming Yang, Aera Energy; Calvin Yao, Anadarko; Nai-Shyong Yeh, BP; Hasan Yildiz, Saudi Aramco; Hongjun Yin, Daqing Petroleum Institute; John Yu, CA Div-Oil, Gas & Geothermal Resources; Hua Yuan, PetroTel; Georg Zangl, Schlumberger; Zhengwen Zeng, University of North Dakota; Murat Zeybek, Schlumberger; Fengjun Zhang, Chevron; Haoran Zhang, PetEng Plus; Jiang Zhang, PetroTel; Pinggang Zhang, BP; Gang Zhao, University of Regina; Litong Zhao, Enerplus; Shi-Yi Zheng, Heriot-Watt University; Victor Ziegler, Occidental Oil & Gas; and Robert Zimmerman, Imperial College.