GeoVista Borehole Equipment for Groundwater
Exploration
Maintenance
Investigation
Water Quality
Field Proven & Reliable
Quick & Easy
Aquifer Identification
Well Inspection
Well characteristics
Well Maintenance
Well Integrity
Fluid Quality
Fluid Flow
Save Time & Money
Water is one of our most important resources. Exploring, identifying, measuring and evaluating ground water for drinking, irrigation, dewatering, well rehabilitation and many other reasons is vital to understanding and planing your next steps. GeoVista supply important down hole geophysical logging equipment that can rapidly supply the required data needed to help you better understand your resource.
Common tools for Groundwater
- Aquifer Lithology
- Aquifer Thickness
- Aquifer Location
- Geological correlation & fault determination
Resistivity Probe (ELOG 16″, 64″, SPR, SP)
- Aquifer Lithology
- Aquifer Thickness and source rock identification
- Aquifer Location
- Resistivity Ratios
- Formation water Salinity and Hydrocarbon saturation
Resistivity Probe (DLL3 Focused Short, Long and SP) – Higher vertical resolution then the ELOG
- Aquifer Lithology
- Aquifer Thickness and source rock identification
- Aquifer Location
- Resistivity Ratios
- Formation water Salinity and Hydrocarbon saturation
- Well Inspection & Evaluation
- Inspection of down hole screens, pumps, fractures and status
- Casing integrity inspection
- Third party works inspection
Fluid Temperature and Conductivity Probe
- Borehole Fluid Temperature
- Hydraulic Fluid Conductivity
- Borehole Fluid flow
- Location of permeable zones in water wells
- Casing leak detection
- Borehole Fluid flow (for very low vertical flow)
- Location of permeable zones in water wells
- Casing leak detection
Caliper Probes (2, 3-arm and 4-arm versions)
- Structural borehole measurement & Borehole Volume
- Engineering work and casing evaluation
- Physical location of washouts, cavings, faults, fractures and changes in borehole dimensions
- Explains/confirms changes in geophysical logs
- Borehole deviation
- Drift and TVD
- Azimuth (with Verticality probe)
- Confirmation of drilling work through surveying
- 1 or 2 litre water sampling at required depth
- Collect water samples at depth for further analysis
- Cement Bond Log
- Formation velocity
- Surface seismic correlation
- Rock strength, elasticity, porosity
Optical and Acoustic Televiewers
- Deviation
- Fracture Identification, orientation & structural information
- Breakout analysis and thin bed detection
- Bedding dips and lithology analysis
- Measures borehole fluid temperature, pressure, conductivity, pH, dissolved Oxygen
pH Probe
- Environmental water quality analysis of pH in the borehole fluid
Nitrate Probe
- Environmental water quality analysis of Nitrate in the borehole fluid
