About Us

Brown Bros (NZ) Ltd is a leading New Zealand drilling company with unmatched capabilities.

Our multidisciplinary teams specialise in many drilling techniques including: Wireline Coring, Reverse Circulation, and Air Core Mineral Exploration, Deep Mud Rotary and Down Hole Hammer Water Wells/Bores, and Geotechnical and Environmental sampling utilizing Direct Push, Hollow Stem Augers, Concentrix, and Wireline Coring.

Kelly Brown – 4th Generation – Company Director

Kelly manages and supervises the Quarry, Mineral Exploration, Water Well, Geothermal, Geotechnical, and Environmental divisions, in the company. He has over 22 years experience in the industry, starting from drillers assistant, to driller, and now senior supervisor and manager. His particular areas of interest are Water WellsExploration including Reverse Circulation, and Wire line Coring, and Geothermal investigation. Kelly prides himself on attention to detail and getting the job done.

Kelly’s areas of technical expertise include:

  • Mineral Exploration – R.C, Air Core, and Wire-line
  • Water Wells – Irrigation/Production Bores and Domestic
  • Energy Projects - Pre Collars and Test Wells
  • Geotechnical Investigation
  • Environmental Investigation

Contact Kelly
Mobile: 0274 942 685
Email: kelly@brownbro.co.nz

Graeme Brown – Specialist Projects Consultant

Graeme brings over 58 years of hard won technical drilling experience to Brown Bros Drilling and has always been an innovator.


Graeme’s areas of technical expertise include:

  • Coal Bed Methane
  • Shallow Oil/Gas/Geothermal Exploration
  • Deep Large Diameter Water Wells
  • Mineral Exploration
Contact Graeme:
Office: 07 8492 919
Email: graeme@brownbro.co.nz