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Progress in Geophysics. 2019, (03) Core Bilingual

High-order finite-difference method based on equivalent staggered grid scheme for scalar wavefield simulationChinese Full Text

DUAN Pei-ran;LI Qing-yang;ZHAO Zhi-qiang;LI Zhen-chun;School of Geosciences,China University of Petroleum(East China);PetroChina Changqing Oilfield Company Seventh Oil Recovery Plant;

Abstract: Density is an important component of petrophysical parameters and plays an important role in reservoir evaluation, lithology interpretation and reservoir description. Therefore, forward modeling with density information in practical data is essential. As the most widely used processing technique of wave theory-reverse time migration and full waveform inversion, its forward modeling usually adopts the classical second-order variable-density scalar wave equation, and does not consider the spatial ... More
Keywords：

Equivalent staggered grid; Heterogeneous; Scalar wave; Seismic forward modeling; High-order finite-difference method;

  • Series：

    (A) Mathematics/ Physics/ Mechanics/ Astronomy; (B) Chemistry/ Metallurgy/ Environment/ Mine Industry

  • Subject：

    Geology; Geophysics; Mining Engineering

  • Classification Code：

    P631.4

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