Freelance Gephysical Consultants Ltd


  • LAND & MARINE 3D DESIGN plus PRE-PLANNING

  • We could assist the operating company with Mesa software that runs on a Unix Workstation under lease from another company, else we could aid with the help of the following software that runs on PC Pentium, most of our field consultants have it available in their field Notebooks.

    OMNI 3D Acquisition Design ( GEDCO )

    Mesa Field Design 12( INOVA or IONGEO )

    DireactAid ( Mustagh Resources )

    In order to resolve a great variety of problems related with the geology of the area. We would consider the stratigraphycal and the structural aspects of the geology.

    now we hav implemented WAS-0, WAS-1, WAS 1.5 and WAS2.0 land seismic design and WAZ for marine projects also. We are including for land, DS3, DS4 high density channels crews using 24 vibrators with the distance separated simultaneous Slip Sweep, ISS, Flip Flop, etc.
    • The major topics we would consider for 3D with structural orientation are:
    We provide current techniques of 3D seismic design for land, marine, and ocean-bottom cable surveys. Our existing workshop is utilized to reinforce the elements of data acquisition design, and case histories are used wherever feasible to demonstrate the effectiveness of different techniques. Survey design considerations are related to data processing issues to achieve an integrated data acquisition/processing system. A review of the fundamentals of interpretation of 3D data volumes is also being taken in consideration. Furthermore, we take in consideration the 3D survey design, "WHY IS NEEDED". The survey parameter definitions, marine navigation and cable positioning considerations, marine acquisition techniques, land 3D acquisition techniques and a brief look at the 3D data processing (statics, DMO, migration, PSTM, PSDM, etc). We evaluate and interpret previous 2D or 3D seismic data available in the area, we scout the area and find out what are the target needs for our client's are and then we embark into a successful 3D design, minimizing the effects of the acquisition footprint an to obtain the best possible sub-surface geology image of the earth. We deliver the design in a full report including the pre-plot SPS data file for the surveyors and observers.

    Dips, Velocity to horizon, spatial aliasing, and migration aperture.

     


    • The topics for a 3D with stratigraphycal structural orientation are:

    Resolution, Diffraction and Modeling.

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