Marine seismic survey

From geophysical and geotechnical surveys to environmental assessments, our services are tailored to meet the unique demands of each project. Explore the depths with confidence—choose Geoview for your survey needs.

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Designed to deliver reliable, actionable insights across complex environments.

Single/Multi channel seismic survey

Depths of seabed & Detailed sub bottom profiling survey(The only multi channel system in KOREA Rep.)

Equipment

PC Based analog processor & Data acquisition system

Grab(bottom sampler)
Multi-channel streamer
Air-gun

A variety of sources : Choosing the optimal source

  • 20~200Hz Air-gun
  • 400Hz Bubble pulser
  • 1.5kHz Spark
  • 2~4kHz Boomer
  • High resolution multi channel marine seismic operations

Schematic diagram

  • Positioning by using DGPS
  • First ProMax in domestic industry
  • Various data processing
  • High-resolution marine seismic survey
  • Possible to 3D survey

Result

  • Sub bottom cross-sectional diagram
  • Sedimentary layer structure analysis
  • Sediment thickness, acoustic bed-rock depth
  • Fault structure & hazard survey
  • Multi source survey

Using method

Detailed stratum survey, deep stratum survey, marine resources survey(petroleum, gas hydrate)

3D seismic survey

Shallow sea high resolution sub bottom profiling survey

Equipment

EOS3D-Streamer
EOS3D-Wing
  • A variety of sources, applicable
  • Streamer type 4channel streamer
  • Wing type16channel receiver
  • 16channel signal processor

EOS3D-Streamer

  • Sampling: 500kS/sec, 1MS/sec
  • Understanding of shallow sea stratum structure, bedrock
  • Drawing a 3D results of stratum survey
  • GPS 9EA, 4 channel 4 lines streamer

EOS3D-Wing

  • 3D detailed sub bottom profiling survey
  • Understanding of sub bottom geological space distribution features

  • Detailed survey of buried objects(Ancient vessel, anchor)
  • 8channel individual receiver, 8m wide survey

Using method

High resolution sub bottom profiling survey, EOS3D-Streamer (Identifying sub-surface sediment layers), EOS3D-Wing (detailed survey of buried objects)

Streamer Cube and Cross-Sectional Diagram

seismic refraction survey

Survey for sub bottom’s velocity distribution and bedrock depth

Equipment

Data Processor & Recorder
Air-Gun
Multi-Channel Streamer
High Pressure Air Compressor
  • Air-gun : 2, 3, 5, 10, 20, 30, 50 in3
  • High pressure air compressor : max300 bar, 100L,330L/min
  • Multichannel streamer(8CH)
  • MultMSDAS

Schematic diagram

  • OBS(Ocean Bottom Source)
  • Receiver: Multi channel streamer

  • DGPS position determination between seismic source and receiver
  • High precision seismic data record

Schematic diagram

  • Shot gather cross section
  • Time- distance curve diagram
  • Refraction tomography data
  • Sedimentation structure analysis
  • Sedimentary layer thickness, bedrock depth
  • Fault structure, risk factor analysis

Schematic diagram

Tomography section
Bedrock depth