Abstract
One of the problems with 4D surveys is that the environmental conditions change over time so that the experiment is insufficiently repeatable. To mitigate this problem, we propose the use of interferometric least-squares migration (ILSM) to estimate the migration image for the baseline and monitor surveys. Here, a known reflector is used as the reference reflector for ILSM. Results with synthetic and field data show that ILSM can eliminate artifacts caused by non-repeatability in time-lapse surveys.
| Original language | English (US) |
|---|---|
| Title of host publication | SEG Technical Program Expanded Abstracts 2016 |
| Publisher | Society of Exploration Geophysicists |
| Pages | 4220-4224 |
| Number of pages | 5 |
| DOIs | |
| State | Published - Sep 2016 |
Bibliographical note
KAUST Repository Item: Exported on 2020-10-01Acknowledgements: The research reported in this publication was supported by the King Abdullah University of Science and Technology (KAUST) in Thuwal, Saudi Arabia. We thank the sponsors of the CSIM consortium for their support. We would also like to thank the high performance computing (HPC) center of KAUST for providing access to supercomputing facilities. We would like to thank Statoil (operator of the Norne field) and its license partners ENI and Petoro for the release of the Norne data. Further, we acknowledge the Center for Integrated Operations at NTNU for cooperation and coordination of the Norne Cases.