简介：Time-LapseSeismicimprovesoilrecoveryratiobydynamicreservoirmonitoring.Becauseofthelargenumberofseismicexplorationsintheprocessoftime-lapseseismicinversion,traditionalmethodsneedplentyofinversioncalculationswhichcosthighcomputationalworks.Themethodisthereforeinefficient.Inthispaper,inordertoreducetherepeatingcomputationsintraditional,anewtime-lapseseismicinversionmethodisputforward.Firstlyahomotopy-regularizationmethodisproposedforthefirsttimeinversion.Secondly,withthefirsttimeinversionresultsastheinitialvalueoffollowingmodel,amodelofthesecondtimeinversionisrebuiltbyanalyzingthecharactersoftime-lapseseismicandlocalizedinversionmethodisdesignedbyusingthemodel.Finally,throughsimulation,thecomparisonbetweentraditionalmethodandthenewschemeisgiven.Oursimulationresultsshowthatthenewschemecouldsavethealgorithmcomputationsgreatly.
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