Seismic time-lapse imaging using Interferometric least-squares migration

Mrinal Sinha, Gerard T. Schuster

Research output: Chapter in Book/Report/Conference proceedingConference contribution


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 languageEnglish (US)
Title of host publicationSEG Technical Program Expanded Abstracts 2016
PublisherSociety of Exploration Geophysicists
Number of pages5
StatePublished - Sep 2016


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