First EAGE/PESGB Workshop on Velocities

Date
22 - 23 February
Location
London, United Kingdom
Registration
Closed
Call for papers
Closed

Technical Programme

Technical Programme at a glance:

Thursday 22 February 2018
08:30 Registration
09:00 Welcome, Aims and Objectives
FWI CASE STUDIES I 
09:15 Opening Keynote: 20 Years of Earth Model Building  - Where do we stand?
O. Zdraveva* (WesternGeco)
09:40  FWI Velocity Model Building Experiences
M. Hart* (TGS), J. Sheng (TGS), S. Baldock (TGS), J. Mao (TGS)
10:05 Earth Model Building with Full-waveform Inversion - A case study from a shallow reservoir in the Barents Sea
O. Lewis* (WesternGeco), S. Way (WesternGeco), G. Apeland (WesternGeco), P. Smith (WesternGeco), H. Veire (OMV Norge), J. Granli (OMV Norge), L. Moskvil (OMV Norge), N. Stevens (OMV Norge)
10:30 Discussion
10:50  Coffee Break 
FWI CASE STUDIES II
11:20
Optimizing the Model Building Approach Using Full-waveform Inversion and Multilayer Reflection Tomography - A North Sea workflow
S. Gupta* (Schlumberger), A. Cooke (WesternGeco), M. Steiger-Jarvis (WesternGeco), J. Bailey (WesternGeco), A. Sellars (WesternGeco)
11:45
High Resolution Velocity Estimation Using Refraction and Reflection FWI - The Fortuna region, offshore Equatorial Guinea 
I.F. Jones* (ION Geophysical), J. Singh (ION Geophysical), P. Cox (Ophir Energy UK), M. Warner (Ophir Energy UK), C. Hawke (Ophir Energy UK), D. Harger (Ophir Energy UK), S. Greenwood (ION Geophysical)
12:10
Improving Seismic Image with High Resolution Velocity Model from AWI Starting with 1D Initial Model - A Barentsz Sea case study
T. Roth* (DEA Deutsche Erdoel AG), T. Nangoo (S-Cube), N. Shah (S-Cube), M. Riede (DEA Deutsche Erdoel AG), C. Henke (DEA Deutsche Erdoel AG), M. Warner (S-Cube)
12:35
Discussion
12:55
Lunch Break
REGIONAL VELOCITY MODEL UPDATE
14:00 High Quality Regional Velocity Modelling for Depth Conversion 
I. Meisingset (First Geo), J. Hubred* (First Geo), D. Krasova (First Geo)
14:25 Modelling Geological Layers into New Velocity Models for Seismic Migration Process - A Brazilian pre-salt case
J. S. Fonseca* (Petrobras), L. Teixeira (Petrobras), A. Maul (Petrobras), P. Barros (Petrobras), F. Borges (Petrobras), J. Boechat (Petrobras), M. González (Paradigm)
14:50 3D Regional Velocity Modeling - North Sea
C. Magneron* (Estimages), H. Doornenbal (TNO), I. Van Bever (Estimages Norge), M. Botz (Estimages Norge)
15:15 Discussion
15:35 Coffee break
ANISOTROPY INSIGHTS
15:55 Construction Technique of High Resolution Velocity Field - New Attribute for Seismic Interpretation
R. Øverås* (Pre-Stack Solution Geo), V. Kalashnikova (Pre-Stack Solution Geo), S. Guidard (Pre-Stack Solution Geo), I. Meisingset (First Geo)
16:20 Azimuthal Anisotropy Resolved by Tilted Orthorhombic Tomography
C. Rudling* (RPS Energy), A. Riaz (DUG), J. Smith (New Age)
16:55 Understanding Delta Anisotropy on a Regional Scale
I. Meisingset (First Geo), J. Hubred (First Geo), D. Krasova* (First Geo)
17:20 Discussion
17:30 Icebreaker reception

 

Friday 23 February 2018
08:30 Welcome coffee
09:00 Opening by the chairs
VELOCITY MODEL UPDATE USING MULTI-COMPONENT DATA
09:10 Joint Seabed and Streamer Model Building in the North Sea using Multi-survey FWI and Tomography for Optimal Illumination and Coverage
A. Bullock* (WesternGeco), N. Zimmerman (WesternGeco), L. Zhang (WesternGeco), O. Runde (AkerBP), T. Skorve (AkerBP)
09:35 PS Velocity Model Building of Johan Sverdrup OBS data – When you expect it to be trivial
H. Mehdi Zadeh (Statoil ASA), E. Sadikhov* (Statoil), M. Guttormsen (Statoil), B. Abbad (Statoil), N. Ghani (Statoil), S. Winterstø (Statoil), S. Madden (WesternGeco), S. Gupta (WesternGeco), K. Ramani (WesternGeco)
10:00 Elastic Reflection Full Waveform Inversion 
W. Weibull* (University of Stavanger), F. Ebrahim (University of Stavanger)
10:25 Discussion
10:55 Coffee break
REFLECTION FWI APPLICATIONS
11:15 A Robust FWI Method for Model Updating in High Contrast Bodies
T. Martin* (Pgs), G. Pendred (OMV UK Ltd), J. Vermeulen (OMV), M. Bell (PGS), P. Mellar (PGS)
11:40 Solving Imaging Challenges in a Deep water, Complex Ooze Regime - A case study from the Outer Vøring Area 
S. Naumann* (PGS), Ø. Korsmo (PGS), G. Rønholt (PGS)
12:05 Mobile Shale Model Building and Update Using Multi-disciplines and A Combination of FWI and Tomography
S. Chen* (WesternGeco), J. Dai (WesternGeco), L. Zhang (WesternGeco), K. Glaccum (WesternGeco), B. Koechner (WesternGeco), S. Dasgupta (WesternGeco), A. Klebleeva (WesternGeco)
12:30 Discussion
12:50 Lunch break
IMPROVING INPUT FOR VELOCITY MODEL UPDATES
14:00 Enhanced Velocity Model Building for Low Quality Seismic Data 
G. Eisenberg-Klein* (TEEC), J. Pruessmann (TEEC), E. Schuenemann (TEEC)
14:25 Joint Inversion and Cross-validation of Borehole and Surface Seismic Data for Reducing the Uncertainty of Anisotropic Models 
O. Zdraveva* (WesternGeco), A. Ramirez (WesternGeco), S. Chen (WesternGeco)
14:50 How Safe Are You Drilling? - Novel velocity model building methods for mitigating drilling hazards 
S. Roy* (Schlumberger), C. Esmersoy (Schlumberger)
15:15 Discussion
15:35 Coffee break
DEPTH CONVERSION
15:55 Quantified Uncertainty Estimation in Depth Conversion 
I. Meisingset* (First Geo), J. Hubred (First Geo), D. Krasova (First Geo)
16:20 PSDM Uncertainty Characterization and Calibration using a Fast Marching Algorithm 
C. Magneron* (Estimages), I. van Bever (Estimages Norge), T. Demongin (Estimages), C. Ward (Centrica E&P)
16:55 Discussion
17:15 Concluding remarks