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Modec Connect Solution Turning the valve on innovation From fabrication to full-scale construction, Murchison Mining Services delivers exceptional results Varnish removal made easy Ensuring cleanliness in bulk lube and oils Elevate your dust collection Screening solutions for Australian mining From undetected to accountable: The future of collision avoidance Precision Engineering Exactly what you need, when you need it. Celebrating 20 years since the installation of Gekko’s innovative processing plant at the Ballarat Gold Mine Strength in Service: JTH’s Edge in Asset Management Forged in Excellence Mine-spec vehicles. Built tough.  Global Resources Innovation Expo 2025 Torque, grit and diesel Bull Motor Bodies: Innovating Fleet Solutions for Australian’s Hardest Working Vehicles Perth Fork Trucks Transmission repairs and replacements made easy When failure is not an option Gold, gold, gold. Measuring ore grade on conveyors. Conception to delivery to operations UQ strengthens mining education Toughness You Can Trust Smarter Mining In 2025 Precision In Practice Powering a greener future Mining Matters Ford Ranger Super Duty: Built Mine Tough Revolutionising exploration’s core Pioneering innovation for over 50 years Wastewater, reinvented Right people. Right gear. Smart solutions. Unlock smarter decisions with precision borehole imaging Engineering extraction Bus 4×4 hire: Australia’s leading 4×4 bus hire company GMEK: Modelling a Better Future in Mining and Beyond Strength in structure Titeline Drilling Sustainability is in Aquapax’s DNA Wet and dry hire done right  The rise of  Vanadium flow batteries Fenix rising  Powering the future of metallurgical coal  Opportunities in India’s mining sector AusIMM host historic Underground Operators 2025 Conference LHS Rocktools Australia DM Plastics and Steel: Innovative and sustainable poly pipe solutions Murchison gears up for 2025 Sustainable Mining Innovation Swinging without compromise Make mine a combination Diesel Jetters Cut Costs The hidden costs of neglecting slurry pump maintenance Australia’s largest ever salt project receives green light Golden Victory Vanadium: from zero to hero

Unlock smarter decisions with precision borehole imaging

Unlock smarter decisions with precision borehole imaging

Driven by an increased geotechnical demand for the precise understanding of subsurface geological conditions, the use of borehole televiewer imaging has experienced continued growth in recent years. 

Many drilling programs for mine geotechnical/geological applications, exploration, hydrogeology and civil infrastructure projects are benefiting from the capabilities delivered by borehole imaging data. This is particularly evident in the interpretation of a borehole structure, which provides more confidence and input into geological models. With minimal additional costs per meter given the expense of a drilling program, running the televiewer offers a complete picture downhole and removes core logging uncertainty. 

The right televiewer selection is critical for successful project outcomes, but typically projects benefit from both tools where hole conditions permit. 

Televiewers come in two model types — acoustic televiewer logs (ATV) and optical televiewer logs (OTV). 

ATV use ultrasonic pulses to create continuous high-resolution, precise depth, and ORIENTED images of the borehole wall, which are run in fluid-filled boreholes. The tool emits ultrasonic signals that reflect off the borehole wall, and the reflected signals are recorded to produce an image. This method is excellent for identifying fractures, faults, shear and bedding planes, broken zones, lithological contacts, breakouts, other structural features and their aperture within the borehole. 

OTV, on the other hand, use a high-resolution digital camera array to capture continuous, precise depth, ORIENTED images of the borehole wall. These logs are best suited for dry or clear water-filled boreholes. They provide detailed colour images that are useful for lithological characterisation, identifying fractures, faults, shear and bedding planes, broken zones, lithological contacts, breakouts and other structural and mineralogical features, and even supplementing core, known as digital or virtual core. 

The lifecycle of projects also benefit from televiewers’ multidisciplinary uses of data. At every stage, geologists, geotechnical engineers, hydrogeologists and geophysical teams can interpret data with a focus to a specific need. Tying in other drilling, geological, laboratory, geophysical data and core photos allows for a detailed interpretation and decision making capability. 

Advanced Logic Technology (ALT) has been at the forefront of borehole logging system technology since its inception. Coupled with industry-leading borehole data processing and interpretation software WellCADTM, the company continues to develop both hardware and software products. 

WellCADTM has been integral in thousands of projects globally for the successful interpretation of televiewer data with its image interpretation workspace. In mid-2025, a new geomechanical module for WellCADTM will be released to further benefit users with new and improved features that enables advanced data for more informed decision making. 

Ultimately, the applications of televiewers for any drilling project are about reliable and accurate structural data from within the borehole to minimise risk and unlock smarter decisions. Improved rock mass characterisation, statistics and increased confidence in models, will reduce costly mistakes due to a lack of high-quality data. 

With an experienced team in Australia, Geosensor Wireline offers a range of options, including systems for portable-shallow projects or truck mounted 2000m deep units, as well as surface and underground capabilities, sales, rentals, training, technical advice, data processing, field services and more.