Triaxial Compressive Test
To characterize mechanical properties of the reservoir rocks, triaxial compressive tests are performed at a range of confining pressures.
The triaxial compressive tests are commonly used to simulate in-situ stress conditions of the reservoirs and provide compressive strength
and static values of elastic constants (e.g., Young's modulus and Poisson's ratio).
Triaxial Tests Capabilities
Core Lab's geomechanics lab is the most extensive facility of its kind. Triaxial rock testing measures rock strength and mechanical properties under
Triaxial Tests Press: TRI-XG 200/400
To continue the development of its range of triaxial press, Sanchez Technology (ST) has designed a press for solid deformation study working under
high pressure and high temperature.
The press has been designed to inject corrosive fluids, to study thermo-hydro-chemo mechanical coupling mechanisms within the device operation pressure
and temperature range. It can be controlled by stress/pressure range or deformation in ramp. Pore pressure is generated by an accurate double volumetric pump.
The capabilities of the ST Triaxial Cell are as follows:
Triaxial Tests Data
Mohr-Coulomb analyses, determined from the triaxial compressive strength data, provide formation cohesion (initial shear strength)
and angle of internal friction.
Compressive strengths from a series of triaxial compressive tests are plotted in order to determine the critical shear stress and predict conditions
for hydraulic fracturing and borehole breakouts.
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