Lab activity

Geophisical laboratory is used for education and for research in the framework of scientifi c and professional projects.
The Laboratory for Geophysical Exploration is provided with modern geophysical instruments and equipment for various geophysical exploration methods such as magnetotellurics, seismic methods, electromagnetic and electric measurements, magnetic methods and measurements in shallow wells. The instruments are mainly in practical use in the fi elds, while testing and calibration, upgrading and development of instruments and equipment are performed in the laboratory. The laboratory provides a number of measurements on samples: determination of density,
electrical resistivity, etc.
The latest software for processing and interpretation of geophysical data that are used in professional and scientifi c projects is available in laboratory. Software testing and upgrading is continuously performed as well as development of our own software. The laboratory also consists of a workstation operating the Petrel software (Schlumberger Ltd.) used for interpretation of 3D seismic data in petroleum geology explorations. Interactive Petrophysics (Senergy Software) is used for analysis and interpretazion of well logging data.

Head of the Lab: This email address is being protected from spambots. You need JavaScript enabled to view it., Prof, PhD

List of methods and procedures

Analytical procedure                                                                              Test method

Refractive research

 

Reflection seismic exploration (HRS method)

 

Seismic tomography

 

Geophysical exploration in boreholes

 

Geomagnetic research

 

Measurements of electrical resistivity rock

 

Deep measuring the electrical resistance of rocks magnetotelury method

 

Automatic measurement of resistance of rocks more electrode system

 

High-resolution contactless conductivity measurements rocks

 

Conductivity measuring by moving the transmitter method

 

Logging spontaneous potential, electrical resistivity and natural radioactivity

 

Electromagnetic research discontinuity in the underground

 

Measurements of gravity

 

Small and medium sized equipment

Name inventory         Tech.characteristics     Application                    Image

Terraloc Mk 6 Seismograph

Operating frequency 2-4000 Hz, 21-bit digitizer, dynamic range 126 dB.

Seismic explorations in hydrogeological, geotechnical, environmental and other surveys.

Seizmograf

Borehole Geophone BHG-2

Three 14 Hz  geophones in X, Y and Z orientation, with compass and servo-mechanism for automatic orientation of horizontal geophones.

Borehole geophysical measurements in hydrogeological, geotechnical, environmental and other surveys.

Geon

SARIS - Scintrex Automated Resistivity Imaging System

Output power 100 W, maximum output voltage 500 V, input resolution 0.15 μV, input voltage range ±40 V.

Electrical sounding, profiling and 2D and 3D tomography explorations in hydrogeological, geotechnical, environmental and other surveys.

Saris

TERRAMETER SAS 1000

Output power 100 W, maximum output voltage 400 V, input resolution ±30 nV, automatic input voltage range ±250 mV, ±10 V, ±400 V.

Electrical sounding, profiling and high-resolution 2D and 3D resistivity explorations in hydrogeological, geotechnical, environmental and other surveys.

Terrametar

ABEM ES10-64C

10 x 64 channels standard configuration, 12 V DC power supply via Terrameter SAS 1000.

Electrical sounding, profiling and high-resolution 2D and 3D resistivity explorations in hydrogeological, geotechnical, environmental and other surveys via Terrameter SAS 1000.

Elektrode

OHMMAPPER TR1

Operating frequency 16.5 kHz, maximum transmitter output voltage 1000V AC at current levels of 16 mA.

High-resolution subsurface resistivity profiling and imaging in hydrogeological, geotechnical, environmental and other surveys.

E vodljivost stijena

EM34-3XL Electromagnetic System

Range of conductivity 0-10, 100, 1000 mS/m; measurement precision ±2%; intercoil spacing 10, 20 or 40 m; operating frequencies 6.4, 1.6 or 0.4 kHz.

Electromagnetic surveys in hydrogeological, geotechnical, environmental and other surveys.

ES vodljivost stijena

GSM-18 PROTON PRECESSION MAGNETOMETER

Resolution 0.1 gamma, measurement precision 0.2 nT, data range 20000-100000 nT, input power 12V at 700 mA.

Magnetic measurements for discovering magnetic rocks, magnetic building materials (diabase, andesite, basalt) and other magnetic objects in geotechnical, environmental and other surveys.

Protonski magnetometar

PROSPEKTOR 410 GRAVIMETER

Data range 3500-6000 mGal, fine skale range 100 mGal, precision 0.01 mGal.

Gravimetrijska istraživanja u okviru naftnogeoloških istraživanja i mikrogravimetrijska istraživanja u okviru geotehničkih, inženjerskogeoloških, hidrogeoloških, istraživanja okoliša i drugih istraživanja.

Gravimetar

Well logging equipment, Robertson Geologging

Maximum depth 500 m.

Well logging measurements in hydrogeological, geotechnical, environmental and other surveys.

Karotazna aparatura

GPR RAMAC X3M

Number of samples/trace 128-8192; 100, 250 and 500 MHz shielded antennas.

Shallow subsurface measurements in hydrogeological, geotechnical, environmental and other surveys.

Georadar

STRATAGEM EH4 MagnetoTelluric System

Frequency range 11.7 Hz-100 kHz, BF6 magnetic field coils, transmitter antenna 400 Am2.

Deep subsurface imaging in hydrogeological, geotechnical, environmental and other surveys.

Stratagem
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