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DELPH Seismic Interpretation

• Coastal management • Geophysical exploration • Geotechnical investigation • Structural geology
• Marine geology • Hydrographic survey • Pipeline inspection


DELPH Seismic
REAL-TIME AND OFFLINE GEO-INTERPRETATION

DELPH Seismic Interpretation can process any type of industry-standard sub-bottom profiler or seismic data. It offers complete geo-referenced processing and interpretation capabilities. DELPH can be used as a post-processing tool as well as a real-time tool during acquisition.

DELPH Seismic Interpretation displays a speed corrected profile of the sub-bottom data, allowing on-screen distance, thickness and slope measurement. Printing and export capabilities of the processed data, interpreted horizons and thicknesses make it the perfect tool for sub-bottom data analysis and further reporting.

In real-time and post-processing, DELPH provides a powerful geographic visualization software to overlay seismic track lines, interpretation and reflector surfaces with other data like bathymetric and magnetic maps, side-scan sonar mosaics, aerial photography or coastline vectors.
FEATURES
 
Full processing capabilities
DELPH Seismic provides necessary tools to analyze the seismic data and improve its quality.
  • Filtering (Band Pass or Time Varying)
  • Gain control (Time Varying or Automatic)
  • Signature deconvolution
  • Multiple removal
  • Water column removal (direct mute or from the seabed)
  • Horizontal trace stacking
  • Heave correction from motion sensor
  • Topographic correction from pressure sensor data for deep-towed / AUV / ROV data
  • Tide compensation
  • Vertical static correction, with possible leveling from the crossing lines

Interpretation capabilities
DELPH Seismic global profile approach makes the interpretation more intuitive. Rich interpretation tools combined with full reporting capabilities drastically improve the workflows.
  • Horizon picking (manual and automatic tracking)
  • Profile flipping to allow parallel interpretation of profiles that were recorded in alternate ways
  • Excluded areas selection to remove unwanted data (turns, etc.) from further processing
  • Drawing and annotation tools to overlay ground truthing pictures, comments, contours on top of the data
  • Printer and PDF output of interpreted profiles
  • Batch export of horizons and thicknesses

Geo-Interpretation capabilities
Interpreting seismic datasets was never so easy: DELPH 3D geographic visualization displays the complete survey data with direct linking to the interpretation environment. Data browsing from the map or the tie-crossing marks, combination of multiple sensor data types provide a better understanding of the surveyed area.
  • Tie crossings display, browsing and vertical leveling
  • Surface modeling of the picked horizons with 2D / 3D visualization
  • Vertical display of seismic profiles - 3D fence diagrams - with transparent water-column
  • Synchronized 2D and 3D display of the picked reflectors
  • Synchronized cursor between the map and the interpretation environment

Visualization capabilities
DELPH integrates a cutting-edge 3D geographic visualization to overlay most survey sensors and existing data in a projected environment. Adjustable transparency and vertical scales enriches the interpretation of vertical data (sub bottom, terrain models) with side-scan data and magnetic anomaly maps.
  • Overlay Sub-Bottom data with
    - 2D/3D Magnetic Maps and 3D anomaly vector
    - Side-Scan Sonar mosaics, targets and interpretation
    - Geographic layers including aerial photography, satellite imagery, coastline, concrete structure plans, core/ground truthing locations, etc.
  • Adjustable transparency for all layers
  • Adjustable vertical offsets and exaggeration
Seismic data processing and interpretation
Global seismic profile display and analysis
Seismic 3D interpretation display
Seismic 3D profiles and interpretation display
Seismic 3D profiles and surfaces
Seismic 3D profiles, surfaces and shaded bathymetry