News

Paper published!

Porosity–permeability relationship derived from Upper Jurassic carbonate rock cores to assess the regional hydraulic matrix properties of the Malm reservoir in the South German Molasse Basin

The paper by Daniel and his colleagues on the porosity–permeability relationship of Upper Jurassic carbonate rock cores has just been published in the Geothermal Energy Journal.

For characterization of the geothermal Malm reservoir, porosity and permeability of the rock matrix combined with fractures and karstified zones are controlling factors regarding the storage and flow of fluids. They have an impact on a variety of different rock properties like rock density, thermal conductivity as well as geomechanical parameters. For thermal, hydraulic, and mechanical modeling (THM) of a reservoir, the distribution and variety of these parameters for each type of rock are required as an important input parameter range. For a better prediction of mining models and productivity prognosis in the Molasse Basin, it is therefore necessary to investigate these parameters and their influence on local aquifer conditions in detail. Consequently, several samples from two rare cored boreholes of the Molasse Basin were investigated for laboratory experiments in this study. The cores of the exploration drillings Moosburg SC 4 and Dingolfing FB comprise a complete succession of the upper Jurassic sediments and shall therefore be used as a reference for correlation throughout the basin. The transferability of these data to other wells in the Molasse Basin based on the correlation with downhole logs is also exemplarily shown in this research.

Read more at: https://doi.org/10.1186/s40517-020-00166-9