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陆相含油气盆地砂泥岩薄互层广泛分布。薄互层单层厚度一般都小于调谐厚度,在常规地震剖面上难以识别,薄互层厚度预测已成为制约薄互层油气勘探的核心问题。本文针对这个问题,对薄互层厚度地震预测方法进行了研究。目前,薄互层预测方法主要有地震属性分析、地震反演技术和地震分频技术等手段。本文对这些技术的特点和适用性进行了研究。
The continental sandstone and mudstone are widely distributed in the continental oil and gas basin. Thin interbedded monolayers are generally thinner than the tuned thickness and are difficult to identify on conventional seismic profiles. Prediction of thin interbedded thickness has become a central issue that restricts thin interbed hydrocarbon exploration. In view of this problem, this paper studies the method of thin interbed thickness earthquake prediction. At present, the methods of thin interbed prediction mainly include seismic attribute analysis, seismic inversion technique and seismic frequency division technique. This article studies the features and applicability of these technologies.