Seismic Multiples – The Challenges and the Way Forward 3–5 December 2019 | Kuwait

EVENT PROGRAMME

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seg.org/events/Seismic-Multiples-2019 TECHNICAL COMMITTEE CO-CHAIRS TECHNICAL COMMITTEE MEMBERS

COMMITTEE CHAIRMAN: Adel El-Emam, Kuwait Oil Company (KOC) Frederico Xavier de Melo, WesternGeco/ Adel El-Emam is a Consultant Geophysicist with Kuwait Oil Company, Exploration Group. He holds a BSc in Frederico Xavier de Melo is a Product Champion – Seismic Multiple Processing for WesternGeco/Schlumberger, Geology (1975) from Cairo University (Egypt) and a MSc in Geophysics “Attenuation of Seismic Waves” (1983) and holds an Eng and MSc degrees in Electrical Engineering from the University of Brasília (Brazil). He initially from the University of Pittsburgh (USA). Adel has over 40 years of experience with local and international oil worked as Electronic Engineer for the Seismological Observatory in Brasília, maintaining and developing applications companies. He joined KOC in 1995 and is currently responsible for seismic data acquisition and processing. for global and deep studies. After obtaining his MSc degree, he joined WesternGeco/Schlumberger He previously held the position of Data Processing Manager with GPC in Cairo (Egypt). Adel presented and as a Data Processing Seismic Engineer in Kuwait, followed by a Testing Geophysicist role in Houston, before published more than 40 papers at local and international conferences. He was awarded “Best Poster Presented his current position. He has worldwide experience in multiple geological challenges and environments. His main at SEG 2005 Annual Meeting.” He is an active member of SEG, EAGE and SPE. Adel is a technical reviewer for interests are signal and multiple processing, pattern recognition, stochastic filtering and optimization. SEG and EAGE and has been the president of the SEG DISC since 2017.

Guillaume Cambois, ADNOC COMMITTEE CO-CHAIRMAN: Said Al-Abri, Development Oman (PDO) Guillaume Cambois graduated from École Polytechnique de () and received a PhD in Geophysics Said Al-Abri has been a Processing Geophysicist at Petroleum Development Oman since 2010. He worked from the University of Texas at Austin (USA). He started his career with CGG, holding various positions in as Operation Geophysicist for 7 years. He obtained a BSc in 2002 and a MSc in Physics of the Earth and R&D and data processing, eventually reaching the position of Chief Technology Officer and Executive Vice Atmosphere from Leeds University (UK) in 2003. He worked on Full Waveform Inversion, velocity model President Data Processing. He joined PGS in 2007, initially spearheading GeoStreamer technology deployment building and 3DVSP processing. and eventually becoming PGS Executive Vice President for Imaging and Engineering. He is currently Principal Geophysicist with ADNOC. He was SEG Vice President as part of the 2007-2008 Executive Committee and served as SEG Director at Large from 2013 to 2016.

Halis Bayri, Kuwait Oil Company (KOC) Halis Bayri is a Senior Consultant Geophysicist at Kuwait Oil Company (KOC), supervising in-house seismic data processing as well as a number of outsourced projects. He received a PhD in Electrical and Electronics Engineering from the State University of New York at Stony Brook (USA) in 1987. Following his graduation, he joined the Department of Electrical and Electronics Engineering at Hacettepe University in Ankara (Turkey) as an Assistant Professor. In 1991, he joined the Oil industry with Western Geophysical. He has over 28 years of experience in Seismic Data Processing. His main interests are in signal processing and multiple attenuation.

Khaled Dulaijan, Khaled Dulaijan is an experienced geophysicist with a demonstrated history of working in Saudi Aramco for more than 15 years. He has a BSc from the University of Tulsa (USA), MSc and PhD from the University of (Canada). Currently, he is the 3D near-surface team leader. He is interested and has published in seismic anisotropy, borehole seismic, near surface, seismic imaging and velocity model building. He has participated in international conferences and workshops in technical committees and co-chairing sessions.

Muneera Al-Awadhi, Kuwait Oil Company (KOC) Muneera Al-Awadhi graduated from Kuwait University with a BSc in geology in 2011. She has seven years of experience in the oil and gas industry, starting her career with Kuwait Oil Company in 2012 as a geophysicist. In 2017, she got a MSc in and Geoscience from Kuwait University, as well as a MSc in Geophysics from IFP School (France) in 2018. She has been working with the Seismic Reservoir Characterization unit in exploration focusing mainly on rock physics, deterministic and stochastic . She recently got involved in borehole seismic processing starting from basic full waveform sonic processing to VSP processing. TECHNICAL COMMITTEE MEMBERS TECHNICAL PROGRAMME

Myrna Staring, Delft University of Technology All technical sessions take place at Jumeirah Messilah Beach Hotel & Spa, Kuwait. Myrna Staring is a 4th year PhD student in Applied Geophysics at Delft University of Technology (Netherlands). Her PhD project is to evaluate the advantages and limitations of the application of Marchenko equation-based methods on field data. As part of her PhD, she has worked as an R&D intern with CGG in Brazil, as a visiting TUESDAY, 3 DECEMBER 2019 researcher with CGG Netherlands and as a visiting researcher with Aramco Overseas Company Netherlands. She is currently founding an EAGE Women in Geoscience and Engineering committee in the Netherlands, in addition to being part of a think-and-do tank with young researchers and NGO’s. 07:00 - 08:00 Onsite Registration Coffee, tea, juices and morning refreshments available 08:00 - 08:05 Hotel Safety Briefing 08:05 - 08:10 Welcome Address by Committee Co-Chairs 08:10 - 08:15 Welcome Address by Mohammed Dawas Al-Ajmi, Exploration Manager, Kuwait Oil Company 08:15 - 08:35 Pierre Hugonnet, CGG Opening Address by Adel El-Emam, Consultant Geoscientist | Exploration Group, Kuwait Oil Company Pierre Hugonnet currently holds the position of Senior Research Advisor at CGG Seismic Imaging. He completed his PhD in Geophysics in 1998 from the University of Pau (France). Since then, he has always been with CGG SESSION 1 UNDERSTANDING THE MULTIPLES AND THE ROLE OF ACQUISITION in seismic processing R&D (first at the Massy center, then at the Pau dedicated center). His main topics of Session Chairs: Halis Bayri & Guillaume Cambois interest are signal processing, multiple attenuation, noise attenuation and deblending. 08:35 - 09:00 KEYNOTE: Impact of Scattering from Micro Internal Multiple Reflections on Seismic Attenuation and Seismic Anisotropy Antonio Pica, CGG 09:00 - 09:25 Seismic Acquisition Design: Could we Enable Better Multiple Attenuation during Processing? Frederico Xavier de Melo, Schlumberger 09:25 - 09:50 Improving Acquisition Efficiency Using Imaging with Multiples Sören Naumann, PGS 09:50 - 10:15 Moderated Discussion – 25 min

Rodney Johnston, BP 10:15 - 10:35 COFFEE BREAK – 20 min – Messilah 2 Foyer Area Rodney Johnston is global R&D Portfolio Manager for BP’s Upstream Technology involving data acquisition, imaging and inversion. He has broad interests from source control and deconvolution to multi-component and SESSION 2 UNDERSTANDING THE MULTIPLES AND THE ROLE OF ACQUISITION wide-azimuth seismic for field development onshore/offshore, and led trans-Atlantic research projects including Session Chairs: Khaled Al Dulaijan & Dan Whitmore Passive Seismic, Elastic Imaging, and Full-wavefield Reservoir Characterization applied to conventional and unconventional reservoirs. He has a MSc degree from the French Petroleum Institute – ENSPM (France) and a 10:35 - 11:00 Understanding the Generation of Multiples via the Reflector Spectrum Concept PhD from the University of Edinburgh (UK). He is an active member of SEG, EAGE, PESGB, GSH and CSEG, has Dongliang Zhang, Aramco Services Company received multiple awards from SEG and PESGB, oganises SEG’s Distinguished and Honorary Lecture events, 11:00 - 11:25 Multiples in South Oman: Understanding their Origin and Sensitivity to Near-Surface Geology Fabian Ernst, Petroleum Development Oman and is a member of SEG’s Europe Regional Advisory Committee. 11:25 - 11:50 Understanding the Multiples Generation in Ordovician Tight Sands of Saudi Arabia Sarah Bandar Aljohani, Saudi Aramco 11:50 - 12:15 Moderated Discussion – 25 min

Tariq Al Khalifah, King Abdullah University of Science and Technology (KAUST) 12:15 - 13:15 LUNCH – 1 hr – Garden Café Tariq Alkhalifah is a professor in the Physical Sciences and Engineering Division. Before he joined KAUST in June 2009, he was research professor and director of the Oil and Gas Research Institute at King Abdulaziz City for SESSION 3 MULTIPLE PREDICTION Science & Technology (KACST). From 1996 to 1998, he served as a postdoctoral researcher for the Stanford Session Chairs: Adel El-Emam & Frederico Xavier de Melo Exploration Project at Stanford University (USA). Member of SEG and EAGE, he received the J. Clarence 13:15 - 13:40 KEYNOTE: A New Perspective on Removing and Using Multiples – They Have the Same Exact Goal – Imaging Primaries – Karcher Award from SEG and the Conrad Schlumberger Award from EAGE in 2003, and was honorary lecturer Recent Advances in Multiple Removal for the SEG in 2011. He received his PhD and MSc in geophysics, both from the Colorado School of Mines Arthur B Weglein, University of Houston (USA). He holds a BSc in geophysics from King Fahd University of Petroleum and Minerals (KSA). 13:40 - 14:05 Interbed Multiple Modelling and Attenuation for Variable-Density Surveys Onshore Oman John Tickle, CGG 14:05 - 14:30 Data-Driven Internal Multiple Reflection Manipulation Kees Wapenaar, Delft University of Technology 14:30 - 14:55 Moderated Discussion – 25 min Yang Yong, BGP 14:55 - 15:15 COFFEE BREAK – 20 min – Messilah 2 Foyer Area Yang Yong is a Senior Geophysicist who has worked at BGP for 20 years. He obtained a BSc in petroleum from the University of China in 1999 and a MSc from the University of Texas at Arlington in 2015. He is currently in charge of seismic data processing & interpretation business for BGP in Kuwait. SESSION 4 CASE STUDIES I Session Chairs: Fons ten Kroode & Mohamed Hafez Abdul Razak

15:15 - 15:40 The Challenges of Internal Multiple Elimination Dongliang Zhang, Saudi Aramco 15:40 - 16:05 Data and Model Driven Multiples Attenuation: A Case Study from South of Oman Moosa Al-Jahdhami, Petroleum Development Oman 16:05 - 16:30 Applications of IME (Interbed Multiple Elimination) Qunli Qi, BGP 16:30 - 16:55 Moderated Discussion – 25 min

18:00 - 20:00 ICEBREAKER RECEPTION – Al Sadu, Jumeirah Messilah TECHNICAL PROGRAMME

SM SEG MIDDLE EAST 2020 EVENT CALENDAR

EVENT DATE LOCATION ACTIVITY STATUS

IPTC Seminar: Geophysical Application to Petroleum Engineering 12 Jan '20 Dhahran, Saudi Arabia Short Course Registration Open All technical sessions take place at Jumeirah Messilah Beach Hotel & Spa, Kuwait.

International Petroleum Technology Conference (IPTC) 13–15 Jan '20 Dhahran, Saudi Arabia Conference Registration Open WEDNESDAY, 4 DECEMBER 2019 2nd SEG | DGS Workshop: Advances in Quantitative Seismic 15–16 Mar '20 Bahrain Workshop Registration Open Reservoir Characterization

14th Middle East Geosciences Conference and Exhibition (GEO) 16–19 Mar ‘20 Bahrain Conference Registration Open SESSION 5 MULTIPLE PREDICTION WITH MARCHENKO METHOD Session Chairs: Adel El-Emam & Rodney Johnston Student SEG | DGS 14th Middle East Challenge Bowl Competition 18 Mar ‘20 Bahrain Save the Date Competition 08:30 - 08:55 Adaptive Marchenko Multiple Removal on Arabian Gulf OBC Data The AI Earth Exploration Workshop: Teaching the Machine How to Call for Abstracts Myrna Staring, Delft University of Technology 19–21 Apr ‘20 Muscat, Oman Workshop Characterize the Subsurface closes 20 Jan ‘20 08:55 - 09:20 Do We Need Elastic Internal De-Multiple Offshore Middle East, or Will Acoustic Marchenko Suffice? Christian Reinicke, Delft University of Technology SEG | DGS Workshop: Challenges & New Advances in Velocity Call for Abstracts 28–30 Sep ‘20 Al Khobar, Saudi Arabia Workshop 09:20 - 09:45 (Short-Period) Internal Demultiple with Amplitude and Phase Constraints Model Building closes 23 Apr ‘20 Marcin Dukalski, Aramco Overseas Company 09:45 - 10:10 Moderated Discussion – 25 min New Advances in Seismic Processing for Reservoir Characterization 27–29 Oct ‘20 Muscat, Oman Workshop Save the Date 10:10 - 10:30 COFFEE BREAK – 20 min – Messilah 2 Foyer Area ARMA | DGS | SEG: International Geomechanics Symposium 3–5 Nov ‘20 Al Khobar, Saudi Arabia Symposium Save the Date

SESSION 6 DEVELOPMENTS IN ADAPTIVE SUBTRACTION 2nd edition - Red Sea Challenges and Opportunities 16–18 Nov ‘20 Hurghada, Egypt Workshop Save the Date Session Chairs: Pierre Hugonnet & Clement Kostov

Multi-Scale Reservoir Surveillance & Monitoring 7–9 Dec ‘20 UAE Workshop Save the Date 10:30 - 10:55 Pattern-Matching Adaptive Subtraction with Nonstationary Prediction-Error Filters in High-Dimensional Data Sets Frederico Xavier de Melo, Schlumberger 10:55 - 11:20 A Strategy for Effective Pre-Migration Inter-Bed Multiples Attenuation on Land Data: A Case Study from North Kuwait Contact Us: [email protected] | Tel: +97143724880 | Fax: +97143724204 | seg.org Lilas Vivin, CGG 11:20 - 11:45 Different Data Driven Approaches of Signal Protection for Interbed Multiple Adaptive Subtraction – A Case Study from Onshore Kuwait Ali Mohamed, Schlumberger 11:45 - 12:10 Moderated Discussion – 25 min STAYING IN TOUCH 12:10 - 13:10 LUNCH – 1 hr – Garden Café

SESSION 7 CASE STUDIES II - MARINE WITH YOU MEANS THE Session Chairs: Said Al-Abri and Matthieu Retailleau

13:10 - 13:35 Image-Driven and Data-Driven Multiple Attenuation Approach for OBN Survey in Complex Subsurface Geology Ahmed A. Alghamdi, Saudi Aramco 13:35 - 14:00 Bespoke Targeted Free-Surface Related Multiple and Surgical Inter-Bed Multiple Attenuation in a Carbonate Field for Ocean Bottom Cable (OBC) Survey Offshore Abu Dhabi Zuo Xu, CGG 14:00 - 14:25 Imaging Multi-Order Multiples – Shallow Water Case Study from South East Asia Bidyut Chowdhury, Schlumberger 14:25 - 14:50 Moderated Discussion – 25 min WORLD 14:50 - 15:10 COFFEE BREAK – 20 min – Messilah 2 Foyer Area TO US SESSION 8 USING MULTIPLES FOR SUBSURFACE IMAGING Session Chairs: Guillaume Cambois & Rodney Johnston New data protection laws that went into effect May 2018 require that you opt in to receive emails 15:10 - 15:35 KEYNOTE: Using or Removing Multiples, Data-Driven or Model-Driven Methods? from SEG. Simply visit the SEG Communications Center at seg.org/communications-center, log Eric Verschuur, Delft University of Technology 15:35 - 16:00 Imaging with Multiples: Using Multiples in Least Squares RTM in, and tell us what you’re interested in receiving from us via email. Koos de Vos, Shell Global Solutions International 16:00 - 16:25 KEYNOTE: Multiples Should be Used, not Abused Gerard Schuster, KAUST Be the first to know about new books and savings in the SEG Shop. Find out about chances to 16:25 - 16:50 Moderated Discussion – 25 min

submit abstracts for upcoming journals, workshops, and conferences. Stay up to date on important 19:00 - 23:00 GALA DINNER – Sponsored by Kuwait Oil Company | Ahmad Al-Jaber Oil & Gas Exhibition networking news and educational opportunities. Don’t be left in the dark, stay in touch!

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All technical sessions take place at Jumeirah Messilah Beach Hotel & Spa, Kuwait.

THURSDAY, 5 DECEMBER 2019

SESSION 9 USING MULTIPLES FOR SUBSURFACE IMAGING Session Chairs: Myrna Staring & Fabian Ernst

08:30 - 08:55 KEYNOTE: Imaging with Multiples? Progress on Methods that Handle Multiples Accurately and Reliably, and a Discussion in the Context of Surveys Acquired Near Complex Subsurface Clement Kostov, Schlumberger 08:55 - 09:20 Optimal Data Preparation for Efficient Imaging with Multiples Abdalla Ibrahim Abouelela, Schlumberger 09:20 - 09:45 KEYNOTE: Methods for Imaging and Inversion Using Primaries, Multiples or Both Dan Whitmore, PGS 09:45 - 10:10 Moderated Discussion – 25 min

10:10 - 10:30 COFFEE BREAK – 20 min – Messilah 2 Foyer Area

SESSION 10 MULTIPLES AND NEAR-SURFACE Session Chairs: Said Al-Abri & Yang Yong

10:30 - 10:55 KEYNOTE: Near-Surface-Related Multiple Elimination: Challenges and Solutions Benxi Ke, BGP 10:55 - 11:20 Robust Imaging of the Shallow Land Subsurface with Surface Consistent Deconvolution Operators: Applications in Time and Depth Matthieu Retailleau, CGG 11:20 - 11:45 Surface-Related Multiples Help Image the Overburden in Shallow Waters Offshore Abu Dhabi Abdulrahman Almessabi, ADNOC 11:45 - 12:10 Moderated Discussion – 25 min

12:10 - 13:10 LUNCH – 1 hr – Garden Café

SESSION 11 CASE STUDIES III - LAND Session Chairs: Muneera Fahad Al-Awadhi & Antonio Pica

13:10 - 13:35 Short and Interbed Multiple Attenuation Improved the Final Seismic Image and Reservoirs Interpretability - A Case Study from Onshore Kuwait Ali Mohamed, Schlumberger 13:35 - 14:00 Challenges and Advances in Land Seismic Data Multiples Removal within the Sultanate of Oman Nasser Al Habsi, CGG 14:00 - 14:25 Interbed Multiple Suppression on Land Survey with Coal Measure Strata Li Daoshan, BGP 14:25 - 14:50 Moderated Discussion – 25 min

14:50 - 15:10 COFFEE BREAK – 20 min – Messilah 2 Foyer Area

SESSION 12 FWI, MULTIPLES AND MODEL BUILDING Session Chairs: Eric Verschuur & Kees Wapenaar

15:10 - 15:35 KEYNOTE: Towards Elastic FWI to Address the Multiple Problem in Oman Fons ten Kroode, Shell Global Solutions International 15:35 - 16:00 Combining FWI and WEMVA when Multiples are Present Mikhail Davydenko, Delft University of Technology 16:00 - 16:25 Utilizing Multiples to Reduce Non-Uniqueness via Anisotropic Joint Migration Inversion Abdulrahman Alshuhail, Saudi Aramco 16:25 - 16:50 Moderated Discussion – 25 min 16:50 - 17:00 Wrap-Up by Committee Co-Chairs – 10 min OPENING & KEYNOTE SPEAKERS KEYNOTE SPEAKERS

OPENING SPEAKER: Adel El-Emam, Kuwait Oil Company (KOC) Dan Whitmore, PGS Adel El-Emam is a Consultant Geophysicist with Kuwait Oil Company, Exploration Group. He holds a BSc in Dan Whitmore has 45 years of experience in seismic imaging, modeling, processing, velocity estimation and Geology (1975) from Cairo University (Egypt) and a MSc in Geophysics “Attenuation of Seismic Waves” (1983) tomography. He researched methods in reverse time migration, plane wave migration, multi-component migration, from the University of Pittsburgh (USA). Adel has over 40 years of experience with local and international oil and imaging of multiples. He was a researcher and advisor at Amoco, Conoco Phillips and Petroleum Geo-Services. companies. He joined KOC in 1995 and is currently responsible for seismic data acquisition and processing. He has decorate in Geophysics. He pioneered the development of reverse time migration and received the 2011 He previously held the position of Data Processing Manager with GPC in Cairo (Egypt). Adel presented and SEG Reginald Fessenden Award. He was a 2015 SEG Honorary Lecturer on concepts and applications for the published more than 40 papers at local and international conferences. He was awarded “Best Poster Presented imaging of multiples and primaries. He joined Petroleum Geo-Services in 2009 and was Geophysical Advisor in at SEG 2005 Annual Meeting.” He is an active member of SEG, EAGE and SPE. Adel is a technical reviewer for the Depth Imaging Department. He supported technologies in 3D RTM, seismic wavefield inversion and imaging of SEG and EAGE and has been the president of the SEG DISC since 2017. primaries and multiples. He retired in 2019 and is presently a consultant and advisor to PGS.

Dirk (Eric) Verschuur, Delft University of Technology Antonio Pica, CGG Dirk (Eric) Verschuur received his MSc degree in 1986 and his PhD degree (honors) in 1991 from the Delft Antonio Pica completed his PhD in 1988 in Non-Linear Waveform Inversion of Seismic Data (with Prof. A. University of Technology (Netherlands), both in applied physics. From 1992 to 1997, he worked under a Tarantola). Since 1985, he has been working in R&D with CGG/CGGVeritas. He has worked in inversion, signal senior research fellowship from the Royal Dutch Academy of Art and Sciences (KNAW). He became assistant processing, modeling and imaging in general as Research Director. professor in 1997 and an associate professor at the DUT in 1999 at the laboratory of Acoustical Wavefield Imaging. He is currently Director of the Delphi research consortium at DUT. His main interests are seismic modeling, processing, imaging sand inversion techniques. He received SEG’s J. Clarence Karcher award in 1997 and SEG’s Virgil Kauffman Gold Medal in 2006. He is a member of SEG and EAGE.

Fons ten Kroode, Shell Global Solutions International Arthur B. Weglein, University of Houston Fons ten Kroode joined Shell Research as a Mathematical Physicist in 1991 and has been working there in Arthur B. Weglein holds the Hugh Roy and Lillie Cranz Cullen Distinguished University Chair in Physics at the various roles, among which head of Shell’s Seismic Imaging R&D program. Over the years, he has worked University of Houston (USA). He is the founding director of the Mission-Oriented Seismic Research Program on a variety of R&D projects, including multiple attenuation, velocity estimation by Full Waveform Inversion (M-OSRP). Arthur was the SEG Distinguished Lecturer in 2003 and received the Townsend Harris Medal from and Wave Path Tomography and least squares imaging. He is currently leading an Acquisition and Signal CCNY in 2008. He also received SEG’s Reginald Fessenden Medal in 2010, for his contributions to exploration Processing R&D team. One of his current interests is to develop signal processing techniques which are firmly seismology. In 2016, he was awarded SEG’s highest honor and recognition, the Maurice Ewing Medal. He co- based on inverse problem theory as encountered in model building and imaging. authored a graduate textbook for Cambridge University Press with Bob Stolt in 2012, and in January 2018 was selected to be Co-Editor-in-Chief (along with Nafi Toksoz of MIT) of the Journal of Seismic Exploration.

Gerard Schuster, King Abdullah University of Science and Technology (KAUST) Benxi Ke, BGP Gerard Schuster has an MS (1982) and a PhD (1984) from Columbia University (USA), where he was a Benxi Ke is a senior expert at R&D center, BGP. He holds a BSc degree in applied mathematics, a MSc postdoctoral researcher in 1984-1985. From 1985 to 2009, he was a professor of Geophysics at University degree in applied geophysics and a PhD degree in solid geophysics. He was a visiting scholar at SEP, Stanford of Utah (USA). He started his current position as Professor of Geophysics at King Abdullah University Science university (USA), in 2009. He has over 30 years of experience in R&D on seismic data processing, including and Technology (KAUST) in 2009 and is also the co-director and founder of the Center for Fluid Modeling seismic modeling, seismic migration, seismic inversion and multiple elimination. and Seismic Imaging at KAUST. He received a number of teaching and research awards while at University of Utah. He was editor of Geophysics in 2004-2005 and was awarded SEG’s Virgil Kauffman gold medal in 2010 for his work in seismic interferometry. He helped pioneer seismic interferometry and its practical applications in applied geophysics, through his active research program and through his extensive publications. SEG published Schuster’s book “Seismic Inversion” in 2017, and his next book “Practical Machine Learning Methods in Geosciences” will be published in 2020.

Clement Kostov, Schlumberger Clement Kostov is currently Research Scientist with Schlumberger Cambridge Research in Cambridge (UK). His research interest in seismic multiples started during his PhD studies at Stanford University (USA) in the late 1980’s and continued through several assignments with Schlumberger since 1990. Clement has had the opportunity and privilege to work with and learn from many of the leading experts on the topic of multiples in academia and in industry. He is member of the SEG, EAGE and GSH professional societies and is currently Associate Editor for the scientific journal Geophysical Prospecting. THANK YOU TO OUR SPONSORS

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