4D full-waveform metropolis hastings inversion using a local acoustic solver
- Maria Kotsi (Memorial University of Newfoundland) | Alison Malcolm (Memorial University of Newfoundland) | Gregory Ely (Massachusetts Institute of Technology)
- Document ID
- Society of Exploration Geophysicists
- 2018 SEG International Exposition and Annual Meeting, 14-19 October, Anaheim, California, USA
- Publication Date
- Document Type
- Conference Paper
- 2018. Society of Exploration Geophysicists
- Statistics, 4D, Full-waveform inversion, Time-lapse
- 1 in the last 30 days
- 15 since 2007
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Time lapse seismic monitoring usually involves looking for small changes in localized regions. Quantifying the uncertainty related to these changes is important because it affects exploration and production decisions. Traditional methods that use pixel by pixel quantification with large models are computationally infeasible. We use a local acoustic solver in the area of interest, which allows for fast computation of the wavefield solves. This allows us to use a Metropolis Hastings algorithm in a Bayesian inversion to address the uncertainty that is present in the estimation of 4D velocity changes.
Presentation Date: Tuesday, October 16, 2018
Start Time: 8:30:00 AM
Location: 204C (Anaheim Convention Center)
Presentation Type: Oral
|File Size||987 KB||Number of Pages||5|
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