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Ray-tracing - PowerPoint PPT Presentation


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Ray-tracing. [ in Tesseral-Pro ]. www.tesseral-geo.com. Initial Model. “ 2 horizontal Layers”. Time field for Isotropic Case. Time field for Anisotropic Case. Ray-Tracing Shotgather for Isotropic Case. Ray-Tracing Shotgather for Anisotropic Case.

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Ray-tracing


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    Presentation Transcript
    1. Ray-tracing [ in Tesseral-Pro ] www.tesseral-geo.com

    2. Initial Model “2 horizontal Layers” Time field for Isotropic Case Time field for Anisotropic Case Ray-Tracing Shotgather for Isotropic Case Ray-Tracing Shotgather for Anisotropic Case

    3. Ray Reflection Times on the Ray-Tracing Shotgather Ray Paths Ray Reflection Times on the Elastic finite-difference Shotgather

    4. Initial Model “Wedging Layers” Vector Wave Kirchhoff Migration of the Ray Tracing Seismogram GathRT (byTimeEP) Vector Wave Kirchhoff Migration of the Elastic finite-difference ShotgatherGathEP ( & TimeEP)

    5. Ray Paths for different reflecting boundaries

    6. 3 Ray Reflection Times on the Elastic finite-difference Shotgather Ray Reflection Times on the Ray-Tracing Shotgather

    7. Initial Model “Near-stratigraphic” Ray Paths Ray Reflection Times on the Elastic finite-difference Shotgather Migration using ray-tracing shotgathers RT Migration using finite-difference shotgathers EP

    8. Initial Model “Stratigraphic & gradients” Ray Reflection Times on the Ray-Tracing Shotgather Ray Reflection Times on the Elastic finite-difference Shotgather Migration using ray-tracing shotgathers RT Migration using finite-difference shotgathers EP

    9. Initial Model “Salt Dome Flank” Ray Reflection Times on the Elastic finite-difference Shotgather Ray Reflection Times on the Ray-Tracing Shotgather Migration using ray-tracing shotgathers RT Migration using finite-difference shotgathers EP