SEGY, SeisX, SeisWare, SeisCap March 2, 2010

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This Web site is dedicated to the Workstation SEGY format and to Seismic Data encapsulation. It contains numerous tips and tricks. Some people will call these work arounds. The text is full of unix awk and perl scripts to perform a variety of tasks beyond what is offered in the SeisX or SeisWare software.

Pssssst.... I will even show you how to run BP's usp to add some additional processing capability. You can find out how to run Spectral Decomposition for free! Or how about an fxdecon to clean up your data. While these pages are fairly complete, all data contained but are constantly being corrected and updated. If you have questions concerning any of these pages, please contact the author, Eric Keyser.

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• May 8, 2010 - Do you want to transcribe your CD/DVD library to online disk storage at the lowest possible price? Arnica Resources is able to copy cd/dvd's at $3 per disk plus $1 per gigabyte of data. Just follow this link
• March 2, 2010 - SEGP-2010 or UKooa 2010 survey proposal, a few ideas on how to make a self defining format and to provide for the flexibility in the future
• July 7, 2008 - SEG-Z proposal, focusing on how to describe our Seismic Data Exchange Format, an update on SEGY.
• Proposed SEGY rev(2) standard, This simplified SEGY definition will contain only those items that can be agreed upon:
  1. The byte structure, 3200 bytes for Textual Description, 400 bytes for line based information and 240 bytes for traced based information.
  2. The Sample Interval, Bytes 17-18, Binary16
  3. The Number of samples, Bytes 21-22, Binary16
  In order to give every company the flexibility they desire, it is proposed we use two signature bytes (399,400 of binary header) to uniquely identify the specified format.
• Proposed SeisCap Seismic Encapsulation standard. Read about it. The latest in seismic encapsulation software. The next step beyond Kelman's KQ standard or Seitel's SUOF encapsulation. It's more flexible than RODE and best of all it's FREE. All software has been placed in the public domain.
• Workstation SEGY Standards (Here are all the details of our new EnCana Workstation segy standard)
• 1 - What is SeisX or SeisWare?
• SeisX User Requests
• BP's USP seismic processing to enhance your SeisX, SeisWare segy data
  • Velocity file as an underlay (background)
• SeisWare features and tricks
• Where are the latest FAQ's?
  • Questions and Answers
  • SeisX Utilities -- Horizons
  • SeisX Utilities -- Segy - other
• 2 - The SeisX Setup
  • Starting SeisX -- Creating a SeisX project
  • Setting up seismic directories, asc directories, getting sonic-gamma.template
  • An introduction to the seisx interface: brief description of the pull down menus
• 3 - Culture, Wells for the Base Map
  • Loading Townships
  • Getting culture edges
  • Wells, Location and Log curves
• 4 - Logs, Base Maps, Synthetics
  • Logs
  • Posting Tops, Well Name, Criteria
  • Log display, Synthetic with sonic-gamma.template
• 5 - Loading SEGY Seismic
  • Clean up the SeisX names
  • Load SEGY from disk
  • Using a SEGP file to correct XY locations
  • Attaching a SeisX'd 3D
  • When should I use Panther's Seismic Data Loader?
  • Who can convert my SEGY data?
• 6 - Preparing Data for Viewing: Basic Processing
  • Rebuilding the Basemap
  • Line and Project Statistics
  • Displaying Seismic line, list vs map
  • Batch Processing -- Resampling, AGC, RMS Scaling
  • Selecting Colors
• 7 - Mistie Analysis and Correction
  • Automatic Mistie Calculations
  • Interactive Mistie Checking
    • Matching 2D to 3D survey
  • Automatic Grid Balancing
  • Apply only the Time Shifts
  • Automatic Mistie Calculations -- Phase
• 8 - 2D INTERPRETATION
  • Import Basic Horizons
  • Synthetic well Ties
    • Stretch Squeeze
    • Update Time Depth Curve
  • Horizon Interpretation
    • Hot Keys
    • Map Ribbons
  • Stratigraphic Amplitude Analyses
    • Horizon Amplitudes
    • Measure Tool
    • Horizon Snap & Extract
  • Markers -- Symbols
• 9 - 3D INTERPRETATION
  • Using 2D to tie 3D
  • Synthetic Well Ties
    • Use the Stretch Squeeze option to tie the well
    • Update Time Depth Curve
  • Horizon Interpretation
  • Multi Line Animation Interpretation
  • Creating a cube and "Blasting" an horizon
  • Time Slice creation (structure and flattened)
  • Auto Picking Poor Data
  • Amplitude Extraction
    • Horizon formula builder (Irtn -30ms)
    • Horizon Amplitude snapping
    • Amplitude Display
• 10 - GRIDDING AND CONTOURING
  • Isochron Calculation
  • Grid Parameters
  • Grid within User Defined Polygon
  • Edit Grid Contours
  • Color Fill
• 11 - Hard Copy
  • Basemaps - Parameters
  • Seismic Sections -- index map
    • Horizon Value Graphing
• 13 - 2D AVO Interpreted as a 3D data Set
  • Extract Amplitudes
  • Transfer First Cross lines to all Cross lines
  • Time Slice Analyses
• 14 - Useful Tips
  • Transfer an contour map interpretation onto Seismic Section
  • Unix Tricks --Helpful hints
  • Reformatting awks
  • Batch Processing
  • Apply Static shifts from Grid Balance without Processing all lines
  • Formulas are automatically stored for Horizon Computations
  • Interactive Well Log Tops Picking
  • Copy logs.default alias file
  • What's Different with NT SeisX
• 15 - SeisX Wish List
  • Performance
  • Data Management
  • Interpretation
  • Mapping
  • Un-Official Bug Reports
  • Un-Official Work Arounds

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Eric Keyser welcomes your comments.
Copyright © Eric Keyser