The significant advantages of using Griffiths Drilling's CPT rigs

We've spent more than a year researching the options and customising our CPT drilling rig to meet the needs of our customers. Our unit combines the best CPT equipment on the market with a compact, track-mounted Geoprobe rig to reduce mobilisation costs and save our clients money. Our CPT unit can be remote-control operated and is heli-portable.

Our CPT Rig's Capabilities

  • CPT testing
  • Concentrix casing systems
  • Standard penetration tests
  • Rotary mud and rotary core
  • Sampling
  • Hollow stem auger
  • Auger
  • Down hole hammer
  • Air coring
  • Piezometer and Inclinometer installation

Operating the Latest CPT Software for Superior Results

Our CPT rig runs CPT-Pro software from GeoTech, a world-leading supplier of geotechnical equipment. CPT-Pro is a multi module program designed for the complex analysis, interpretation and presentation of CPT soundings, and also for elaborating on geotechnical documentation.

2 examples of reports from GeoTech's CPT-Pro software.



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Griffiths Drilling offers a comprehensive range of drilling services. Each service is backed-up with our considerable drilling capability, technical expertise and vast practical experience that comes from operating for over 44 years within the New Zealand drilling industry.

Geotechnical Services

Our services include rotary core drilling, rotary mud, concentrix casing systems, standard penetration tests, CPT testing, sampling, hollow steam auger, auger, down hole hammer, air coring, test pits, labour, bore logging and piezometer and inclinometer installations.

Sonic Drilling Services

Griffiths Drilling have the only dual head sonic drilling rig available in New Zealand. Sonic drilling is up to 4 times faster than traditional methods and there are many other advantages and benefits when you use our newly arrived, XL CRS-F Duo Sonic Rig.

Technical Consultancy Services

Our technical consultancy services include dedicated Project Managers, technical support and instrumentation monitoring. We also offer geological and geotechnical services and have access to over 45 years of drilling records and geological information that has proven valuable to our clients.

Other Drilling Services

Our other drilling services include construction and foundation drilling (includes ground anchors and soil nails), water bore and water well drilling, environmental drilling and monitoring and seismic drilling for exploration.

Water Bore Services

We have 50 years experience in drilling water bores. Our water bore drilling and development services are both comprehensive and complete. They include water infrastructure asset management, water bore construction and water bore integrity.