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利用Jason公司的InverMod反演模块,通过一个系统的工作流程,从三维地震数据中得到最常用的岩性参数——波阻抗。展示了波阻抗在储层描述研究中比常规的地震解释和属性分析更精细、更有效,并通过在四川新场气田蓬莱镇组油气藏研究中的应用,讨论了波阻抗方法的有效性。在此基础上,对含气砂体进行预测,取得了良好的效果。
Using Jason’s InverMod inversion module, the most commonly used lithology parameter - wave impedance is derived from 3D seismic data through a systematic workflow. It is shown that the wave impedance is finer and more effective than conventional seismic interpretation and attribute analysis in reservoir description studies and the effectiveness of the wave impedance method is discussed through the application of reservoir impedance studies in the Penglaizhen Formation reservoir in Xinchang Gasfield, Sichuan. On this basis, the prediction of gas-bearing sand body has achieved good results.