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DIRECTIONAL SURVEY . DRILLING PRODUCTS
CORE & BOREHOLE LOGGING . GEOSCIENCE . GEOTECH
HYDRO . PETROPHYSICS . PREDICTIVE ASSAY

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​TECH-LOG™

Understanding sub-surface structures and formation mechanical properties are vitally important to any excavation or construction project, being able to measure these in-situ even more so….

Downhole logging offers the ability to rapidly acquire in-situ, high-resolution data sets that when correctly processed and interpreted can yield correctly orientated structural information and formation mechanical properties including:

  • Fault, shear and fracture orientations and classifications

  • Bedding and foliation orientations

  • Fracture frequencies and RQD

  • Continuous dynamic elastic moduli (calculated from density and sonic velocities)

  • Site-calibrated geohazard indices

Borehole Radar

Digital Surveying deploys Helix Geotech fully memory-based borehole radar to image structures tens of metres into the formation.

Common applications include:

  • Blast holes - integrated into mining process providing an ‘early warning’ rolling map to optimize ground support

  • Cover holes - imaging water / methane-bearing fissures and hazardous anomalies ahead of mining

  • Geological holes - imaging mineralised reefs ahead of mining

  • Pilot holes for shaft & raise bore - mapping structural and geotech information

  • Mine development planning - 3D block modelling of mineralized reefs and identifying anomalies such as potholes

  • Tunnelling - fracture, void & metal object detection

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