一种快速多元信息约束的反褶积宽频处理方法及装置
By constructing a deconvolution broadband processing method with multivariate information constraints and combining geological and well logging information, the problems of low accuracy in single-channel high-resolution inversion and low efficiency in multi-channel high-resolution inversion are solved, realizing efficient marine seismic data processing and supporting drilling engineering under complex geological conditions.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- CHINA NATIONAL OFFSHORE OIL (CHINA) CO LTD
- Filing Date
- 2023-10-17
- Publication Date
- 2026-07-17
AI Technical Summary
In existing technologies, single-channel high-resolution inversion has low accuracy, and multi-channel high-resolution inversion has low computational efficiency, which cannot meet the resolution requirements of drilling projects under complex geological conditions at sea. Furthermore, multi-channel methods fail to effectively utilize the actual underground geological distribution patterns.
Based on the inversion of single-channel reflection coefficients, an inversion mapping matrix G and a sparse vector q are constructed. Real-time geological details and boundaries are determined by combining pre-drilling, drilling, and post-drilling information. The well-logging-geological structure constraint matrix and the sparse matrix are fused to construct a new inversion equation with multivariate information constraints and optimize the calculation process.
It improves the resolution and fidelity of seismic data, enhances computational efficiency, and is suitable for high-resolution seismic imaging under complex geological conditions at sea, supporting safe and efficient drilling projects.
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Figure CN117406272B_ABST