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Processing Seismic Reflection Data of La Bajada Fault

Processing Seismic Reflection Data of La Bajada Fault. Ryan Lester. Outline. Acquisition Processing Final image. Raw Data. Obs.notes. Geom. Rec.loc. Kill traces. Sourceloc. AGC. Freq. Filter. CMP sort. No exciting CMP sort picture. Sorry. NMO. CVstack. Velocity Function.

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Processing Seismic Reflection Data of La Bajada Fault

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  1. Processing Seismic Reflection Data of La Bajada Fault Ryan Lester

  2. Outline • Acquisition • Processing • Final image

  3. Raw Data Obs.notes Geom Rec.loc Kill traces Sourceloc AGC Freq. Filter CMP sort No exciting CMP sort picture. Sorry. NMO CVstack

  4. Velocity Function CVstack Show examples of CVS

  5. Velocity Function CMPsort NMO CMP Stack

  6. A few other things we played with • Predictive Deconvolution • Eliminates multiples • Surgical muting • Eliminate groundroll in data • FK filtering • Eliminate groundroll and other non-random noise in data • Coherency filtering (post stack) • Enhance signal

  7. Final stack based on CV stacks Final stack based on refraction velocity

  8. THANK YOU VERY MUCH.

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