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ROV operations

Modern techniques and equipment make it possible to carry out large-scale high-precision gravity and magnetometer surveys and regional studies along with seismic acquisition. Regular grid magnetometer surveys are ±0.5-2 nT accurate and ±3-5 nT accurate together with seismic acquisition. Added to acquisition, gravity surveys are conducted at sea state 4 with an accuracy of ±0.3-0.4 mGal and that of ±0.1-0.2 mGal during detailed work

Geophysical Equipment

Chekan-AM gravimeters, Chekan-AM (Shelf-E model) 

  • Manufacturer: Concern CSRI Elektropribor, JSC, Russia 
  • Range: at least 10 Gal 
  • Absolute error limit: ±0.3-0.8 mGal 
  • Sensitivity (scale division value): 0.01 mGal 
  • Time constant: 35 to 100 sec 
  • Drift rate: at least 3 mGal/day 

SeaSPY2 magnetometers (Marine Magnetics, Canada) 

  • Absolute accuracy: 0.1 nT 
  • Sensor sensitivity: 0.01 nT 
  • Counter sensitivity: 0.001 nT 
  • Range: 18,000 nT to 120,000 nT 
  • Gradient tolerance: over 10,000 nT/m 

Sentinel base station magnetometers (Marine Magnetics, Canada)  

  • Absolute accuracy: 0.2 nT 
  • Sensor sensitivity: 0.01 nT 
  • Range: 18,000 nT to 120,000 nT 
  • Gradient tolerance: over 10,000 nT/m 
  • Storage capacity: one million readings 
  • Sampling rates: 1/minute to 1Hz 

Perry Slingsby Triton XLR (Specification in PDF)

Sperre SUB-fighter 15k (Specification in PDF)

We are always glad to new partners and projects!

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