NGI's rock mechanics laboratory provides the following tests;

  • Simple strength tests
    • Unconfined Compressive Strength (UCS)
    • Brazilian Tensile Strength
    • Point Load Strength Index
  • Triaxial testing (standard)
    • Shear test with isotropic or anisotropic consolidation (drained/undrained)
    • Uniaxial Strain Test (UST/K0)
    • Flexible stress path, cycling of total stresses and pore pressures
    • Measurement of coefficient of thermal expansion
    • Permeability testing
    • HPHT- High Pressure and High Temperature tests
  • Rock physics testing
    • Measurement of ultrasonic P & S- wave velocity and electrical resistivity (axial and radial) can be made in all triaxial cells
  • Acoustic emission (AE) testing
    • AE testing in dedicated triaxial setup
  • CO2 flow testing
    • Multiphase flow test at various temperatures and pressures (incl. supercritical flow) combined with rock physics measurements
  • Triaxial test inside CT-scanner
    • Visualization of deformation and fluid flow incl. rock physics measurements
  • Direct shear tests (shear box test)
    • Fracture friction and deformation properties
    • Fracture fluid flow/conductivity
    • Velocity stepping -seismic potential of fractures and faults
  • Advanced characterization
    • CT Scanner for 2D and 3D visualization (structures, fracture patterns etc.)
    • Microscope (optical and SEM) for micro texture
    • Photogrammetry for fracture surface characterization
  • Classification / Index testing

High quality rock mechanics and geophysical datasets are essential for a wide range of applications in the petroleum industry, geothermal energy production, and storage of CO2 and radioactive waste (i.e. wellbore stability, sand production, hydraulic fracturing, reservoir flow, compaction and ground subsidence, fault sealing, caprock integrity, rock physics and geophysical evaluations, monitoring).
  

NGI offer:

  • High quality testing facilities for standard tests and R&D purposes         
  • In-house equipment design and construction including instrumentation
  • Expertise and software tools for design of experiments and interpretation