Reservoir Characterization and Monitoring from Inversion and Joint Inversion of Seismic and Non-seismic Methods

Workshop 11: Monday, 3 June 
Lecture Room:3
Conveners: Daniele Colombo (Saudi Aramco)
Glenn Wilson (Halliburton)
Nestor Cuevas (Schlumberger)
Evert Slob (TU Delft)

Description:

The objective of the workshop is to discuss present and future opportunities for building integrated reservoir models involving all aspects of geophysics, from well logs, seismic, electromagnetics, and gravity; as well as distributed fiber optic sensing of temperature and acoustics. The geophysical monitoring of the reservoir dynamics is a difficult task that can be achieved by the combination of these multiple measurements, and the quantitative integration with production data and reservoir simulators. Distributed acoustic sensing has expanded borehole seismic applications, and recent experiments of 3D surface-to-borehole and borehole-to-surface CSEM have demonstrated the ability of mapping injected fluids around wells using electric field measurements from galvanic sources. Multi-physics permanent monitoring is becoming a realistic opportunity. The driving objective is to measure geophysical data close to the reservoir. Research on multi-parameter joint inversion has evolved over the recent years providing a wide variety of coupling mechanisms and workflows enabling the combination of different measurements. Data processing techniques and data reduction methods have also advanced to provide a new range of processing and imaging tools. The time is appropriate for reservoir studies where the coalescence of multiple geophysical measurements with reservoir engineering data can provide new insights and opportunities for the future life of reservoirs.


Workshop Programme:

Applications, Instrumentation and Processing
09:00Introduction
09:05Surface-to-borehole TFEM data acquisition, system development and field test
G. Yu* (BGP/China Univ. of Geoscience), Z. He (Southern Univ. of Science and Technology), G. Wang (BGP) and L. Zhang (BGP)
09:25Surface-to-borehole CSEM for Waterflood: Modeling & data analysis
D. Colombo* (Saudi Aramco) and G. McNeice (Saudi Aramco)
09:45Surface-to-borehole CSEM for Waterflood: 3D inversion strategies
G. McNeice* (Saudi Aramco) and D. Colombo (Saudi Aramco)
10:05Coffee break
Applications, Instrumentation and Processing
10:20Borehole-to-surface Time-lapse CSEM Measurements Across a Producing Oil-field: Repeatability, vertical electric fields, 3D inversion including steel-casings
K. Tietze* (GFZ German Research Center of Geoscience), C. Patzer (GFZ German Research Center of Geoscience), O. Ritter (GFZ German Research Center of Geoscience), P. Veeken (Wintershall), & M. Dillen (Wintershall)
10:45On the Challenges of Time-lapse EM in a Production Environment: Lessons learned from a real-world trial
R. Streich* (Shell), A. Schaller (Delft Univ. of Technology), G. Drijkoningen (Delft Univ. of Technology) and L. Liu (Shell)
11:10Challenges in the Analysis of Surface-Borehole EM Measurements. A Review on the Field Distortion due to Metallic Casing.
N. Cuevas* (Schlumberger), D. Colombo (Saudi Aramco), G. McNeice (Geophysics Technology) and M. Pezzoli (Schlumberger)
11:35Morning Discussion Session
12:00Lunch break 
Integration Approaches 
13:00Joint Inversion: One man's perspective
G.M. Hoversten (Chevron)
13:25Joint Assimilation of Electromagnetic and Seismic Data - A stochastic approach
F. Vossepoel (Delft Univ. of Technology)
13:50Deep Learning Applications in EM Imaging
J. Byun* (Hanyang Univ.), S. Oh (Hanyang Univ.), K. Noh (Hanyang Univ.), D. Yoon (Hanyang Univ.), S. Seol (Hanyang Univ.)
14:15Machine Learning for Geoscience Applications
A. Abubakar (Schlumberger))
14:40Afternoon Discussion Session
15:00Coffee break
Challenges and Road Ahead
15:20    EM for Land-based Reservoir Monitoring: Achievements, challenges and road ahead
            D. Colombo* (Saudi Aramco), G. McNeice (Saudi Aramco), R. Adams (Aramco Services Company), & M. Deffenbaugh (Aramco Services Company)
15:45    Benefits of Joint Seismic and EM Inversion for Hydrocarbon Development Projects
            P. Veeken (Geops)
16:10    Wrap-up and End of Workshop

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