ZondST3d

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ZondST3d is desined  for three-dimensional interpretation of seismic tomography data on refracted waves (land, cross-borehole and water variants).
In geophysics, the term seismic tomography is known for a long time. This is due to the fact that one of the main problems in seismology – the inverse kinematics. It consists in determining the velocity structure at a known time path of the refracted waves from  source to receiver.  The most popular in engineering geophysics was crosshole Seismotomography. This direction is used for detailed studies of  rocks velocity structure  in the interborehole space.
The technique of three-dimensional seismotomography means special survey with using of great number of sources and receivers positions. Sometimes number of trace is  reach thousand and tens thousand. But in many cases for three-dimensional interpretation it is enough to use the results of a two-dimensional seismotomography observed on several parallel lines.
ZondST3d represents ready solution for seismic tomography, and solves wide range of problems from mathematical modeling and quality control to field data processing and interpretation. Convenient interface and variety of data visualization features allow to solve wide range of geological problems with maximum effectiveness.
The software consists of two basic modules. One for the first times picking on the seismograms. The second is used for solving forward and inverse problems of seismic tomography.
For the seismograms processing developed a special interface designed to simplify and automate the process of first arrivals picking. Special attention is paid to variety ways of data visualization and simple access to frequently used functions.Basic features:
  • Measurements at the water surface and the water bottom. Borehole and cross-borehole systems. Any mixed system.
  • 64-bit calculation
  • Buffer for 5 models.
  • A set of tools for mathematical modeling of velocity section.
  • Several of the inversion algorithms : smooth, focusing, robust, block.
  • Setting the reference model for the inversion.
  • Suppressing of the noise component during inversion (robust reweigthing).
  • Suppressing static shifts during inversion.
  • Setting of limits for models parameters, inserting of a priori geological boundaries and borehole data to inversion. Assignment of weights for datum records.
  • Several ways for data, model and apriori information visualization. Ability to set a semitransparent background for the resistivity section (geological, seismic sections). Borehole columns editor. Titled boreholes.
  • Exporting to bitmap and vector graphics formats, excel, surfer, AUTOCAD. Setting the scale of the exported image. Print images and create reports.
  • Link to download:  https://rapidgator.net/file/39a1f6489b8a76b433a41b85c08db80b/ZondST3D.zip.html

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