柴西北碳酸盐岩储层地震勘探技术

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中图分类号：P618.13 文献标志码：A 文章编号：2095-2945（2025）25-0173-05

Abstract：Thelandformof Northwest QaidamBasinissaline-alkalisuface，whichisrichinoilandgasresourcesandhas greatexplorationpotential.Accordingtothecharacteristicsofthinsinglelayerthicknessobviousmixeddepositanddifiult seismicidentifcationoflacustrnecarbonatereservoirinthisarea，theseismicexplorationtechnologyoflithologicreservoiris formedthroughbroadbandacquisition，high-precisionmodelingandimaging procesing，andreservoirprediction.Thekey technologiesincludebroadbandexcitedreceptionforthinreservoir，longarayhighcoverage3Dseismicacquisition，high precisionmodeling，doubleheightimagingprocesing，finehorizoncalibrationandfinestructureinterpretation.Thepractical applicationshowsthatthistechniqueefectivelyimprovestheresolutionandfidelityofseismicdataandlaysadatafoundation forlithologicseismicexplorationofthincarbonatereservoir.Thenewlyacquired3Dseismicdatahasawidefrequencybandand ahighsignal-tonoiseratio，andlaysadatafoundationforthepredictionofthinlacustrinecarbonatereservoirandobtainsa good effect.

Keywords：carbonate reservoir; broadband; chromatographic inversion; seismic imaging;Northwest Qaidam Basin

柴达木盆地西北部（简称“柴西北”平均海拔超过 3100m ，地貌以高原咸化盐碱地表为主，碱梁、碱包发育，地表质地坚硬。（剩余4701字）