Conventional Core Analysis
Routine analyses of gas permeability, porosity, grain density and fluid saturations are only available in conjunction with special core analysis and R & D projects.
Core spectral gamma log
State of the art core spectral gamma scanner with resolution below 10 cm.
Core bulk density log
State of the art core bulk density scanner with resolution of ~ 1 cm.
Core porosity log
A porosity log is produced based on recorded core bulk density log and combined material balance calculation.
Core photography
Facilities for white light and ultra violet light exposures using high quality core photo equipment.
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Special Core Analysis
The laboratory undertakes a wide range of advanced core analyses for the industry. Assignments are individually designed, and close contact is kept with the client with reference to interpretation of intermediate results or possible adjustment of the experimental design. We offer highly specialised testing of chalk, and in co-operation with the Danish Geotechnical Institute (GEO) we offer a unique integration of special core analysis and rock mechanics techniques.
Flooding experiments at reservoir conditions
Flooding experiments at reservoir conditions to determine effects on the petrophysical and mineralogical properties of the sample and/or effects on the pore fluid chemistry. Saturation effects are studied in 2 and 3-phase systems using water, oil or gas.
Electrical measurements
Electrical measurements at room, overburden or reservoir conditions to determine core conductivity and Archie parameters (resistivity index, formation factor, cementation and saturation exponents). Instrumentation includes computer controlled high pressure pumps, digital LCZ meter, and special resistivity cells.
Capillary measurements
Capillary measurements using the porous plate technique. Drainage and imbibition curves can be obtained at room or reservoir temperature and overburden pressure, with samples mounted in single core holders. May be combined with MICP analyses.
Overburden measurements
Overburden measurements at room or reservoir temperatures to determine the effect of confining pressure on porosity, permeability and formation factor. Pore volume compressibility is also determined.
Wettability measurements
Wettability measurements are performed at room temperature using Amott's test.
Permeability measurements
Specific and endpoint permeability measurements at a range of different conditions using different liquids and gases.
Whole-core measurements
A limited number of SCAL measurements can be carried out on sample sizes from 54 mm (rock mechanics standard size) to 104 mm diameter and max. length 300 mm for confining pressures to 35 MPa (5000 psi). Also unconventional sample geometries like prismatic and cubic samples can be handled.
X-ray CT measurements
X-ray CT sample screening is offered for a range of sample sizes and materials.
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Research & Developments Projects
The laboratory participates in research and developments projects with the industry and with research institutes internationally and in Denmark. At present the laboratory is involved in a number of projects funded from EU and/or industry sources:
Enhanced Oil Recovery through CO2 utilization:
The interplay between oil, water, CO2, and chalk at reservoir conditions is studied based on sample material and data from the South Arne Field. The project is funded by the Danish National Advanced Technology Foundation and is carried out in a collaboration between Department of Chemical Engineering at DTU, Institute of Environment and Resources at DTU, GEO, DONG Energy, and GEUS.
Heat Storage in Hot Aquifers (HeHo):
This project is funded by the Danish Strategic research Council and is carried out in collaboration between DTU CERE, BRGM, ETH Zürich, Vilnius University, and DFG (a consultant for the district heat companies in Denmark). The aim of the project is to develop new technology to improve planning of energy storage in geothermal reservoirs through high-quality experiments and numerical modeling.
BIGCCS:
The BIGCCS International Research Centre is an interdisciplinary research center funded by the Norwegian Research Council and managed by SINTEF. The research centre studies the entire CCS chain from capture to geological storage. In relation to BIGCCS, our laboratory has performed core scale experimental studies on dry-out effects by CO2-flooding.
CO2 - Sink Project:
A CCS (Carbon Capture and Sequestration) demonstration project based at an old gas storage facility outside Berlin and funded from EU FP6 and industry sources. It is planned to inject 60 000t of CO2 underground. Our obligation is to characterize the caprock sealing properties relative to CO2 injection into the shallow Ketzin storage site.
CO2 - GeoNet:
The laboratory is involved in several CCS activities under this EU NoE (Network of Excellence).
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