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Table 2 List of tools used in this study

From: Characterisation of the fracture- and karst-controlled geothermal reservoir below Munich from geophysical wireline and well information

Tool

Well

Measurement of

Evaluation of

CMI

Th1, Th2a,

Th4-Th6

Electrical resistivity, well calliper

Sedimentary features, fracture system parameters, stress indicators, karst, bedding

Mud log

Th1-Th6

Cutting description

Lithology

CXD

Th1-Th2a,

Th5-6

Sonic velocity

Indicative for porosity, density, rock strength

SWC

Th4, Th2a

He-porosity, permeability

Porosity, permeability

PLT

Th1,

Th4-Th6

Spinner revolutions, temperature

Hydraulic active zones

Mud loss

Th1-Th6

Mud loss

Hydraulic active zones

3D seismic inversion

Porosity extracted for Th1-Th6 from the model of Wadas and von Hartmann (2022)

  1. All well logs were run in open hole
  2. CMI compact micro-imager, CXD compact cross-dipole sonic, SWC side-wall cores, PLT production logging tool