Open AccessSeismic time-lapse imaging using Interferometric least-squares migration
King Abdullah University Of Science And Technology Repository (king Abdullah University Of Science And Technology)Mrinal Sinha +12016Conference proceedings
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
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