GEOFORCE STABLE-TOW S4®
surface-towed | high-resolution
boomer acoustic source
deep-towed | high-resolution
boomer and sparker acoustic source
GEOFORCE DTS® SUB BOTTOM PROFILER
BOOMER - SPARKER
Site identification | Geohazard surveys | Pipeline and cables routing surveys | Geological and geophysical scientific research | Extended continental shelf delineation | Characterization of hydrocarbon reservoirs | Seabed dredging
WHY CHOOSE GEOFORCE SBP SYSTEMS
An ideal sub-bottom profiler has a broad frequency band, high energy, rapid trigger rate, and highly repeatable source characteristics. These elements provide for maximum vertical and horizontal resolving capacity, sub-bottom penetration even in hard and gas-bearing sediments, shot-to-shot coherency and phase and amplitude information to facilitate interpretation. In addition, directional source characteristics limit incidental environmental noise.
Geoforce DTS® Sub-bottom profilers optimize these characteristics to the physical limits of modern technologies, utilizing two modes of operation: boomer and sparker acoustic sources.
Geoforce DTS® is the only system to have two acoustic sources integrated in the same tow body. Depending on operational water depths and survey demands, either mode can be chosen “on the fly”. Deep tow of the system removes surface and vessel motion (heave, pitch and roll), eliminates the surface ghost, and stabilizes source characteristics. Digitization of received signals within the tow body eliminates cable and EM noise interference. The result is an ideal tool for resolving complex structures such as are present in mass transport deposits.
GEOFORCE BOOMER SOUND SOURCE
The heart of our surface-tow and deep-tow systems is the patented depth-compensated 1000 Joule boomer sound source.
In boomer mode, the Geoforce sub-bottom profiler drives a pressure equalized, electro-dynamic boomer plate as a directional seismic source that provides a highly repeatable impulsive signature over a frequency spectrum from 800 Hz to 10 kHz.
Typical penetration is in the order of 100 meters in soft sediment and 40 meters in tertiary bedrock at high-resolution with discrimination of up to 10 cm at the near subsurface.
The boomer pulse shape and intensity are independent of tow body deployment depth due to pressure compensation, resulting in accuracy of subsurface imaging and optimal data resolution.
LEGACY OF OUR HUNTEC DEEP-TOW SYSTEM
The development of the Geoforce DTS sub-bottom profiler over more than four decades is an important case study in successful Canadian Government/Private Sector collaboration.
It demonstrates how a survey tool can retain its competitiveness in global seafloor mapping through continuous improvements building upon the core technology of the robust HUNTEC deep-tow system.
Geoforce Group remains committed to continuous development and innovation of our system's capabilities and continues to expand its scope of commercial applications.