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Geotechnical

Webster Drilling is one of New Zealand’s largest and most experienced geotechnical drilling contractors, with projects across New Zealand, Australasia, the Pacific, Papua New Guinea and Antarctica.

Our experience spans a wide range of environments and projects — from multi-year, multi-rig contracts in remote locations and marine drilling platforms to residential boreholes and everything in between.

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We’re committed to delivering high-quality geotechnical data, maintaining strong health and safety standards, and finding practical, innovative solutions for challenging projects.

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Our diverse fleet includes specialist heli-portable and rough-access rigs, supported by our Porirua workshop, where we design, modify and build equipment for specialised work using the latest CAD/CAM software and in-house CNC tooling.

    • Rotary / Core – Heli-portable, Tracked, Tractor and man portable. – Depth up to 700m / Angle capability

    • Sonic Core -  Heli-portable, tracked, Dual head

    • CPTu - Heli-portable, tracked and 15kN Ballasted rigs available

    • Wireline core NQ, HQ, PQ 

    • Conventional core (various sizes)

    • Permafrost Coring

    • Vibrocore

    • Push / Shelby Tube

    • Piston Core

    • SPT

    • Lugeon Packer (hydraulic and pneumatic)

    • Piezometer Installation

Geotechnical Projects

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