Enhanced Oil Recovery

Laboratory Setup for Investigation of Thermal Oil Recovery Processes

2-combustion-tube-1-83m-1-tonn This complex of equipment let us to proceed with In Situ Combustion, High-Pressure Air Injection (HPAI), Steam-based processes for heavy-, medium- and light-oil reservoirs and Hybrid processes, corefloods for CO2, flue gas, hot water or hydrocarbon gas injection tests.

Features:

  • Medium pressure combustion tube 3 000 Psi
  • High pressure combustion tube 6 000 Psi
  • Medium and high pressure Ramped Temperature Oxidation (RTO) systems

 

The PIK-OFP/EP analysis of filtration-volumetric and electrical core properties

pik-ofp-big2 The unit is intended for filtration-volumetric and electrical core sample properties at reservoir conditions with stationary and non-stationary filtration.  Basic configuration of the unit presupposes generation of a two-phase flow (liquid/liquid) through core samples. The PIK-OFP/EP can run automatically and in manual modes. The PIK-OFP/EP complex allows to determine the following parameters of a core:

  • two-phase relative core conductivity for the flow components “liquid/liquid” in compliance with OST 39-235-89
  • residual oil saturation
  • electrical resistance
  • open porosity coefficient at reservoir conditions
  • displacement efficiency
  • coefficient variation of open porosity depending on changes at reservoir conditions

 

Geomechanics

MTS 816 Rock Mechanics Triaxial Test System

Fully integrated high-force test systems optimized for carefully controlled characterization of brittle materials.The MTS Model 816 system is engineered
for rock mechanics research testing that involves smaller samples. It can be configured for uniaxial, triaxial or direct shear testing, and its compact frame is easy to locate in the lab.

Features:

  • Crosshead-mounted actuator
  • Overburden and pore pressure up to 140 MPa
  • Porosity and permeability measurements vs. stress conditions
  • Temperature up to 200 ºC
  • Static (strain gauges) and dynamic (acoustic) experiments
  • Acoustic emission for fracture monitoring
  • Experiments: ASTM, IRMS, GOST and non-standard tests
  • Single-ended, double-acting actuator
  • Low-profile, high-stiffness force transducer accurate to within ±0.5% of calibrated range
  • Differential pressure transducer (standard on 316.04 load frames) accurate to within ±1% of calibrated range at loads above 1000 kN
  • Internal LVDT calibrated to full-scale actuator travel for complete positioning control
  • Stiff base plate
  • Rigid support table
  • Vibration isolation pad

 

Core Analysis

The PIK-SK plant for core samples saturation

pik-sk-big The PIK-SK saturator enables the saturation of core samples with saline solutions, oil and other reservoir fluids by consecutive processes of evacuating and saturation.

Features:

  • Pneumatic pump operating through the air control valve to develop pressure inside the cell and saturate core samples under the pressure of up to 150 bar
  • Automated pneumatic system for pressure control
  • Pressure chamber designed for core plug samples has a large inside diameter for whole core samples using
  • A dead volume set of plugs to minimize the amount of necessary saturating liquid
  • Capillary imbibition of core samples (optional)

 The PIK-PP Automated Porosimeter and Permeameter

pik-pp-big The automated permeameter-porosimeter is designed to rapidly determine porosity and permeability of core samples.  A pressure decay technique is used while operating to determine Klinkenberg-corrected permeabilities, slip (slip factor) and inertial coefficients of the stream.

Features:

  • Integrated porosimeter-permeameter
  • Plain and rapid substitution of samples
  • High precision measurement

 

 Capillary pressure refrigerated centrifuge

centri-blanc-resolution-de-lecran The refrigerated centrifuge allows the rapid, simultaneous determination of capillary pressure characteristics and relative permeability curves on up to six core samples. The device can also be utilized for sample reservoir condition restoration.

Features:

  • Custom designed sample chambers can house core plug samples up to 1.5 inches in diameter and rotate them to a maximum velocity of 4,500 rpm.
  •  A digital camera continuously captures high resolution images of the cells, thereby enabling a visual surveillance of the displaced fluid volumes in each cell.
  • The powerful data interpretation package produces an asymptotic fit of the produced liquid volume giving the option of early run termination.
  • Unique coreholders let us put 5000 psi confining pressure on coresamples to reduce pore spase.

 

Petrophysic and geochemistry lab

Geospec 2 NMR for core analysis

nmr GeoSpec is the industry standard NMR core analyser. All 2MHz GeoSpec models are equipped with Q-Sense, our ground-breaking technology for improved signal-to-noise and ultra-short echo times. Both these features are essential for accurate measurements on tight rocks and shales. The P5 Cell, unique to the GeoSpec allows to carry out measurements at as close to reservoir conditions as possible.Routine core analysis measurements possible with GeoSpec analysers include the following:

  • Well Log Calibration
  • Pore Size Distribution
  • Total Porosity
  • Bulk Volume Irreducible (BVI)
  • Free Fluid Index (FFI)
  • Clay Bound Water (CBW)
  • Permeability

HAWK Resource Workstation

hawk HAWK Resource Workstation  provides accurate and rapid analysis on cuttings, core & outcrop samples. With portability to boot, HAWK can be used in the lab or on-site. The HAWK Instrument provide us with the basic data for formulation of geochemical logs that is needed to classify the type of reservoir rock that your drill bit encounters. Application of data from HAWK leads to the successful identification of producible Shale Oil Resource Systems.

Features:

  • Pyrolysis and TOC parameters
  • Multi-ramp/zones and multi-peaks
  • 126 sample capacity
  • No loss of light oil
  • Precise Temperature
  • Multi-point calibration
  • True temperature for kinetics
  • HAWK-Eye software

Optical scanner for thermal rock property study

termal-scanner The optical scanning instrument is designed to investigate thermal properties of solids, in particular – rock samples or drilling cores. The instrument provides continuous profiling of thermal properties – thermal conductivity (along and perpendicular to bedding), thermal diffusivity, volumetric heat capacity, inhomogeneity coefficient and thermal anisotropy coefficient – for solids on their cylindrical or flat surface. The uniqueness of the instrument is in the fact that this method of investigation is non-destructive and non-contact, no mechanical treatment of the sample is required during preparation of the sample, no mechanical effect (for example: axial compression) exists during the measurements, the absence of contact with the sample provides a precise level of the measurements. This piece of equipment was developed by professor Yuri Popov.

Features:

  • high-precision analysis of thermal conductivity, thermal conductivity, thermal diffusivity, thermal heat capacity.
  • profiling of thermal propetries at high space resolution
  • standard and reservoir conditions
  • different saturation (gas, water, oil)
  • High efficiency (50m of core samples per day)

DTC-300 Thermal Conductivity meter

dtc-300_2015  The DTC-300 instrument for measurements of thermal conductivity at elevated temperatures provides measurements of thermal conductivity of solid materials on cylinders with a diameter of 50 mm and a height of up to 20 mm within the temperature range from -20 to 300 ° C.

The device has the following technical characteristics: and features:

  • measuring range for thermal conductivity … 0,1 – 30 W/(m∙K);
  • range of compressive pressure at which measurements can be taken … 34 – 414 kPa;
  • time of measurement of one sample at a given temperature … 40 – 60 min;
  • measurement error … ± (3 – 8)% depending on the thermal conductivity of the sample.
  • a guard furnace surrounds the test stack to reduce the effect of heat transfer across the edges of the specimen.
  • nonsolids, such as pastes or liquids, can be tested using special containers.
  • polymers can be tested through the melt using special containment cells.

Quartz Dilatometer DKT-40

dkt-40 The DKT-40 dilatometer allows measuring the differential temperature coefficient of linear thermal expansion (CLTE) of solids at temperatures from 20 to 300 ºС. The instrument provides the following unique possibilities: determination of the main values of the CLTE tensor on one sample, that excludes the influence of heterogeneity of the samples (rocks) on the measurement results; CLTE measurements on standard rock samples (including anisotropy studies) without any mechanical treatment and ensuring their full preservation; measurement of CLTE with a temperature difference of not more than 20-25 ° C with a shift of this temperature interval within the range of 20-300°C, which ensures the measurement of the differential values of CLTE and registration of the variations of CLTE within wide temperature intervals.

The following characteristics are provided for measurements:

  • range of CLTE … (0,5-25)∙10-6 K-1;
  • resolution of measurements of elongation … 0,05 – 0,1 micron;
  • resolution of temperature measurements … ± 0,1 ºС;
  • heating rate of the samples… 0.1-3 ºC/min;
  • uncertainty of CLTE measurements … no more than 4%.

 

CT System v|tome|x L240

ct-of-porous-sample CT of porous sample with a resolution of 5 microns/ Fluid flow simulation option is added (Avizo XLab Hydro). Flow velocity vizualised in colores – from blue to red.

ct-sandstone

Bentheimer sandstone (diameter – 5 mm), voxel size 1 micron, colors – different phases, green – pores.

 

 

 

 Nowadays, CT systems is developing rapidly in the oil and gas industry. Tomography allows us to obtain a 3D image-reconstruction of the rock sample. Processing of the volumetric image with the help of specialized software allows to evaluate the most important parameters of the samples, which are necessary for effective projecting of oil and gas fields development, solving drilling and EOR tasks.The phoenix v|tome|x L 240 are versatile high resolution microfocus system for 3D and 2D Computed Tomography and 2D non-destructive X-ray inspection. The system allows to study macro and micro samples of rock in atmospheric and reservoir conditions.

Features:

Granite based precision manipulator up to 8 axes

  • manipulator has 7 axes of freedom; maximum sample weigth foe scanning – 50 kg;
  • maximum sample dimensions: diameter – 800 mm, maximum height –1200 mm;
  • CT research with reconstruction of full-scale volume of sample with maximum diameter -500 mm, and maximum height – 600 mm.

Protective X-ray cabinet

  • the maximum permissible dose rate of x-rays at a distance of 100 mm from the X-ray cabinet does not exceed 1 μSv / h.

Сontrol board

  • mounted on a hinged suspension to the body of the unit;
  • adjustable in height and can be rotated in a horizontal plane.

Detector

  • the equipment is equipped with a digital flat-panel detector with liquid cooling;
  • Scintillator material – CsI (cesium iodide);
  • detector array size – 2048×2048 pic; pixel size – 200 micron;
  • dynamic range of the detector – 10000:1;
  • sensitive area – 410×410 mm2; performance – 7,5 Fps.

X-ray tubes

  • the system is equipped with two longlife open micro- and nanofocus X-ray tubes
  • (max. сurrent – 3000 и 880 uA; max. voltage – 240 и 180 kV);
  • switching from one tube to another is performed from the control panel;

Tomographic software includes next modules:

  • Module for automatic geometry calibration;
  • Module for ring artefact reduction;
  • Module for beam hardening correction
  • Module for optimization of scans with drift effects;
  • Module for CT of the selected volume of interest;
  • Module for extreme high speed reconstruction;
  • Module for system memory optimization, when building models of samples of increased length;
  • Module for building models of samples of increased length;
  • Module for fully automated data acquisition and volume processing – insert sample and start CT scan or simply start robot, check results.

The software allows to obtain X-ray images of a sample, without performing a tomography