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Permeability

Permeability is one of the key parameters when talking about reservoir or caprock quality. We offer both, permeability to gas and permeability to liquid. Gas permeability measurements can be carried out with e.g. air, nitrogen or helium. Cubic and cylindrical specimens of variable size can be investigated under ambient as well as stressed conditions. Measurement of stressed permeability within a triaxial cell is in particular useful for samples from deep bore holes which tend to micro crack formation under ambient conditions due to stress release. Gas and fluid flow along these micro cracks will lead to artificially high permeabilitiy values. Measurements done under simulated in situ conditions within a triaxial cell close these micro cracks and allow for determination of the correct in situ permeability. Moreover, we provide Klinkenberg-corrected permeability values determined based on the Law of Darcy.

For specimens with permeability higher than 5*10-18 m2 we offer additional flow monitoring with highly accurate and fast-reacting volume flow meters. This can be done while continuing with deformation during triaxial stress-strain tests.

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News

Gesteinslabor holds now two Stanford certificates in geomechanics

Gesteinslabor has acquired high expertise in reservoir geomechanics, in particular of unconventional reservoirs. This has now also been certified by successful participation in the Stanford online course "Unconventional Reservoir Geomechanics" offered by Prof. Mark Zoback.

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GEO:N project SUBI holds status seminar at Gesteinslabor

The interdisciplinary academic-industry joint research project is concerned with the integrity and safety of underground gas storages. The participants met in May in Heiligenstadt to discuss the progress and future of the project.

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EAGE/DGMK H2 storage workshop: a resumee

EAGE and DGMK arranged for the very first time together a workshop about the underground storage of hydrogen and the lyceum was crowded.

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Gesteinslabor publishes its first webinar

Gesteinslabor is contributing to the educational program of AAPG and has just published a webinar about geothermal energy.

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