Matthias Halisch
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View article: Wellbore Skin: Why Its Presence and Properties Are So Difficult to Predict
Wellbore Skin: Why Its Presence and Properties Are So Difficult to Predict Open
The presence of positive wellbore skin, that is, deposits of fine‐grained particles from the drilling fluid on the borehole wall, significantly affects the efficiency of water wells. Previous studies of skin samples have shown a significan…
View article: Optimizing Micro-CT Resolution for Geothermal Reservoir Characterization in the Pannonian Basin
Optimizing Micro-CT Resolution for Geothermal Reservoir Characterization in the Pannonian Basin Open
In the context of global efforts to transition toward renewable energy and reduce greenhouse gas emissions, geothermal energy is increasingly recognized as a viable and sustainable option. This paper presents a comprehensive assessment der…
View article: Micro-scale investigation of the pore network of sandstone in the Pannonian Basin to improve geothermal energy development
Micro-scale investigation of the pore network of sandstone in the Pannonian Basin to improve geothermal energy development Open
View article: Surface conductivity of clays
Surface conductivity of clays Open
SUMMARY Clay minerals are extensively used in a wide range of applications. In particular, clay-bearing formations are considered as suitable radioactive waste repository. Electrical resistivity tomography is an appropriate tool to monitor…
View article: Making geoscientific lab data FAIR: a conceptual model for a geophysical laboratory database
Making geoscientific lab data FAIR: a conceptual model for a geophysical laboratory database Open
The term of geoscientific laboratory measurements involves a variety of methods in geosciences. Accordingly, the resulting data comprise many different data types, formats, and sizes, respectively. Handling such a diversity of data, e.g. b…
View article: Disaggregation bands as indicator for active blind faults
Disaggregation bands as indicator for active blind faults Open
The identification of active faults is an important step in the seismic hazard evaluation process. However, this task is often difficult because many faults are unknown, buried below younger sediments. Especially in slowly-deforming intrap…
View article: Micro-Scale Investigation of the Pore Network of Sandstone in the Pannonian Basin to Improve Geothermal Energy Development
Micro-Scale Investigation of the Pore Network of Sandstone in the Pannonian Basin to Improve Geothermal Energy Development Open
View article: Reply on RC1
Reply on RC1 Open
Abstract. The term of geoscientific laboratory measurements involves a variety of methods in geosciences. Accordingly, the resulting data comprise many different data types, formats, and sizes, respectively. Handling such …
View article: Making geoscientific lab data FAIR: A conceptual model for a geophysical laboratory database
Making geoscientific lab data FAIR: A conceptual model for a geophysical laboratory database Open
The term of geoscientific laboratory measurements involves a variety of methods in geosciences. Accordingly, the resulting data comprise many different data types, formats, and sizes, respectively. Handling such a diversity of data, e.g., …
View article: NFDI4Earth Pilot Report - Interoperability and Reusability of Geoscientific Laboratory Data
NFDI4Earth Pilot Report - Interoperability and Reusability of Geoscientific Laboratory Data Open
A generally applicable database for geoscientific laboratory data is still missing. The variety of both methods and data and the complexity of laboratory studies impede the creation of an appropriate database. With this pilot project, we a…
View article: Disaggregation bands as an indicator for slow creep activity on blind faults
Disaggregation bands as an indicator for slow creep activity on blind faults Open
Hidden, blind faults have a strong seismic hazard potential. Consequently, there is a great demand for a robust geological indicator of neotectonic activity on such faults. Here, we conduct field measurements of disaggregation bands above …
View article: Benchmark study using a multi-scale, multi-methodological approach for the petrophysical characterization of reservoir sandstones
Benchmark study using a multi-scale, multi-methodological approach for the petrophysical characterization of reservoir sandstones Open
This paper presents a detailed description and evaluation of a multi-methodological petrophysical approach for the comprehensive multi-scale characterization of reservoir sandstones. The suggested methodology enables the identification of …
View article: Hydrophobic ceramic membranes in MD processes – Impact of material selection and layer characteristics
Hydrophobic ceramic membranes in MD processes – Impact of material selection and layer characteristics Open
View article: Toward a better understanding of low-frequency electrical relaxation — An enhanced pore space characterization
Toward a better understanding of low-frequency electrical relaxation — An enhanced pore space characterization Open
The relaxation phenomena observed in the electrical low-frequency range (approximately 1 MHz–10 kHz) of natural porous media such as sandstones are often assumed to be directly related to the dominant (modal) pore throat sizes measured, fo…
View article: Benchmark study using a multi-scale, multi-methodological approach for the petrophysical characterization of reservoir sandstones
Benchmark study using a multi-scale, multi-methodological approach for the petrophysical characterization of reservoir sandstones Open
This paper presents a detailed description and evaluation of a multi-methodological petrophysical approach for the comprehensive multiscale characterization of reservoir sandstones. The suggested methodology enables the identification of D…
View article: Supplementary material to "Benchmark study using a multi-scale, multi-methodological approach for the petrophysical characterization of reservoir sandstones"
Supplementary material to "Benchmark study using a multi-scale, multi-methodological approach for the petrophysical characterization of reservoir sandstones" Open
View article: Towards image based assessment and characterization of cyclic paleo-wind and flow fields
Towards image based assessment and characterization of cyclic paleo-wind and flow fields Open
<p>Cylcostratigraphy is used to investigate quasi-cyclic patterns in sediments. It often provides insight about time and climate. While most studies utilize proxies related to precipitation and temperature, reconstruction of wind and…
View article: Petrographic and Petrophysical Characteristics of Lower Cretaceous Sandstonesfrom northern Israel, determined by micro-CT imaging and analytical techniques
Petrographic and Petrophysical Characteristics of Lower Cretaceous Sandstonesfrom northern Israel, determined by micro-CT imaging and analytical techniques Open
In this study petrophysical characteristics of three consecutive sandstone layers of the Lower Cretaceous Hatira Formation from northern Israel were comprehensively investigated and analysed. The methods used were: experimental petrographi…
View article: Petrophysical measurements of sandstone samples extracted from an outcrop
Petrophysical measurements of sandstone samples extracted from an outcrop Open
Petrophysical measurements of samples extracted from 3 consecutive sandstone layers from an outcrop, in lower Cretaceous sandstone from North of Israel.The data includes: Grain size distribution, mercury intrusion porosimetry, XRD, porosit…
View article: Enhanced pore space analysis by use of <i>μ</i> -CT, MIP, NMR, and SIP
Enhanced pore space analysis by use of <i>μ</i> -CT, MIP, NMR, and SIP Open
We investigate the pore space of rock samples with respect to different petrophysical parameters using various methods, which provide data on pore size distributions, including micro computed tomography (μ-CT), mercury intrusion porosimetr…
View article: Enhanced pore space analysis by use of μ-CT, MIP, NMR, and SIP
Enhanced pore space analysis by use of μ-CT, MIP, NMR, and SIP Open
We investigate the pore space of rock samples with respect to different petrophysical parameters using various methods, which provide data upon pore size distributions, including micro computed tomography (μ-CT), mercury intrusion porosime…
View article: X-ray Computed Tomography of Structures in Opalinus Clay from Large Scale to Small Scale after Mechanical Testing
X-ray Computed Tomography of Structures in Opalinus Clay from Large Scale to Small Scale after Mechanical Testing Open
In recent years use of X-ray Computed Tomography (CT) has become more common for geoscientific applications and is used from the um-scale (e.g. for investigations of micro-fossils or pore scale structures) up to the dm-scale (full drill co…
View article: X-ray computed tomography investigation of structures in Opalinus Clay fromlarge-scale to small-scale after mechanical testing
X-ray computed tomography investigation of structures in Opalinus Clay fromlarge-scale to small-scale after mechanical testing Open
In the past years X-ray computed tomography (CT) has became more and more common for geoscientific applications and is used from the µm-scale (e.g. for investigations of microfossils or pore-scale structures) up to the dm-scale (full drill…
View article: Pore-scale tomography and imaging: applications, techniques and recommended practice
Pore-scale tomography and imaging: applications, techniques and recommended practice Open
No abstract available.
View article: Development of a numerical workflow based on <i>μ</i> -CT imaging for the determination of capillary pressure–saturation-specific interfacial area relationship in 2-phase flow pore-scale porous-media systems: a case study on Heletz sandstone
Development of a numerical workflow based on <i>μ</i> -CT imaging for the determination of capillary pressure–saturation-specific interfacial area relationship in 2-phase flow pore-scale porous-media systems: a case study on Heletz sandstone Open
In this case study, we present the implementation of a finite element method (FEM)-based numerical pore-scale model that is able to track and quantify the propagating fluid–fluid interfacial area on highly complex micro-computed tomography…
View article: Answer of the authors to comments of RC1
Answer of the authors to comments of RC1 Open
View article: X-ray Computed Tomography Investigation of Structures in Opalinus Clay from Large Scale to Small Scale after Mechanical Testing
X-ray Computed Tomography Investigation of Structures in Opalinus Clay from Large Scale to Small Scale after Mechanical Testing Open
In the past years X-ray Computed Tomography (CT) has became more and more common for geoscientific applications and is used from the µm-scale (e.g. for investigations of micro-fossils or pore scale structures) up to the dm-scale (full dril…
View article: Development of a numerical workflow based on μ-CT-imaging for the determination of capillary pressure-saturation-specific interfacial area relationship in two-phase flow pore-scale porous media systems: A case study on Heletz sandstone
Development of a numerical workflow based on μ-CT-imaging for the determination of capillary pressure-saturation-specific interfacial area relationship in two-phase flow pore-scale porous media systems: A case study on Heletz sandstone Open
In this case study, we present the implementation of a FEM-based numerical pore-scale model that enables to track and quantify the propagating fluid-fluid interfacial area on highly complex μ-CT obtained geometries. Special focus is drawn …
View article: Visualization and Quantification of the Penetration Behavior of Bentonite Suspensions into the Pore Network of non-cohesive Media by using μ-CT Imaging
Visualization and Quantification of the Penetration Behavior of Bentonite Suspensions into the Pore Network of non-cohesive Media by using μ-CT Imaging Open
Bentonite suspensions are an essential tool for different construction techniques in horizontal and vertical drilling, in diaphragm and bored pile walls as well as in pipe jacking and tunneling. One of the main tasks of the suspension is t…
View article: Classification and quantification of pore shapes in sandstone reservoir rocks with 3-D X-ray micro-computed tomography
Classification and quantification of pore shapes in sandstone reservoir rocks with 3-D X-ray micro-computed tomography Open
Recent years have seen a growing interest in the characterization of the pore morphologies of reservoir rocks and how the spatial organization of pore traits affects the macro behavior of rock–fluid systems. With the availability of 3-D hi…