Service \ Exploration

Our in-house drilling service covers most near surface environmental investigation requirements and can execute specific geotechnical drilling programs to a depth of 28 metres.

Gilbert & Sutherland’s capabilities include an in-house geophysical drilling and field services unit with extensive experience and knowledge in geotechnical drilling, site classification and environmental assessments. Our drillers, field team and technicians are highly skilled and have the knowledge and experience to deal with the most complex drilling challenges in difficult locations.

Gilbert & Sutherland’s field services and drilling team has ready access to expert environmental and agricultural scientists and engineers, ensuring complete answers to even the most complex questions.

Whilst addressing the investigation needs of existing Gilbert & Sutherland clients, our drilling and field services are also regularly commissioned by other consultants, private individuals, major development corporations and statutory authorities to cover capability gaps or meet other commitments.

Our services include:

Geotechnical drilling

  • NMLC rock coring
  • rock roller drilling
  • SPT spoon sampling
  • U50 tube sampling (undisturbed sample)

Environmental drilling

  • acid sulfate soil determination
  • contamination assessment
  • installation and maintenance of a range of groundwater piezometers and bores
  • landfill content sampling
  • soil resource assessment

General drilling services

  • rock coring and rolling
  • rotary mud drilling (wash bore)
  • solid flight augering
  • Vibrocore drilling (undisturbed sample)
  • rotary mud drilling to depths of 26m