Cabinet activity

The cabinet is used for regular rock (core) analyses (effective porosity measured by helium injection, absolute i.e. Klinkenberg permeability by injection of nitrogen through the core at simulated overburden pressure in Hassler core holder, heat conductivity) and special core analysis for fluid saturation estimates and pore size distribution estimates (capillary pressure based on Purcell’s method) for properties which cannot be expressed using the Darcy’s equation. The cabinet has access to the equipment for the fi eld tests such as fl ow rate measurement in pipes and pipe thickness and heat conductivity measurements by thermal response test (TRT) by circulation of heated fl uid through the underground loop.

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

List of methods and procedures

Analytical procedure                                                                 Test method
 

 


 

 

 

 

 

 

 

Small and medium sized equipment

 Name inventory         Tech.characteristics     Application                    Image

Porous Plate Capillary Pressure Apparatus

The assembly includes measuring cell with ceramic plate, console with valves and gas pressure regulators and a precision manometer. Working pressure range 0-5 bar.

Experimental capillary pressure data are further used in evaluation of  fluids saturation distribution in the reservoir. Note: the instrument can be used only for student demomstration purposes.

Kapilarni tlak

Mercury Injection Capillary Pressure Apparatus

The experimental assembly consusts of a hydrostatic core holder, motorized piston-type volumetric pump, associated valving, flow regulators and OB and inlet fluid pressure manometers.

Experimental capillary pressure data are further used in evaluation of  fluids saturation distribution in the reservoir.

Kapilarni tlak 2

Relative Permeability Apparatus

The experimental device consists of a hydrostatic core holder, motorized piston volumetric pumps, valves, regulators and manometers for inlet fluid pressure and load petrostatics sample.

Measured relative permeability data are used in conjuction with capillary pressure data to calculate fractional fluid flow rates in the reservoir as well as at  a production well.

Relativna propusnost

Gas Permeameter

Consists of a Hassler-type  core holder, console with valves and gas regulators, OB pressure manometer, inlet pressure manometer and a piston-type volumeter for gas flow measurements.

Determination of absolute permeability of porous rock.

Plinski permeametar

Helium Porozimetar

Console with sample chamber to accommodate samples of  3 standard  diameters, pressure transducer for mean pressure, precision manometer for initial gas pressure, valving and gas flow regulator.

Experimental porosity used for (initial)  in-place fluid saturations calculation.

Helijski porozimetar

Helijski porozimetar 2

Hassler coreholder

Core samples with a diameter either 1“ or 1.5“, and from 1 to 3“ length can be used
Maximum sleeve pressure 67 bara (1000 psig)
Maximum pore pressure 6.7 bara (100 psig).

Absolute permeability determination.

Hasslerov držac
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