Specialising in the design and construction of pipelines and ancillary facilities, ECNZ provides experienced and highly professional engineering, procurement and construction management services to the New Zealand and Australian energy industry.

The professional skill base within ECNZ includes specialist Project Managers, Project Engineers, Design Engineers, Operations Engineers, Safety Engineers, Construction Managers, Quality Assurance Managers, Land Managers, Technical Writers, Designers and Surveyors.

Our operating philosophy centres on establishing strong relationships with our clients, based on personalised service, cost awareness, responsiveness and efficiency.


+64 6 9293523 ext 101 or +64 27 2484093

John has developed extensive engineering design experience over the last 30 years – including 25 years in the Oil and Gas industry – working on a wide spectrum of projects in New Zealand, Australia, England, and Qatar.

John’s project experience includes:

  • Natural gas and LPG, oil/condensate transmission (cross country pipelines) and distribution networks
  • Gas delivery points, compression and metering
  • Gas processing plants
  • Oil separation and stabilisation, transport and storage
  • Well site developments
  • Water pipelines


+64 6 9293523 ext 103 or +64 27 4444067

Owen’s speciality is natural gas transmission pipeline engineering. This in-depth knowledge has been gained over the last 30 years including statutory consenting, design, installation and commissioning of pipelines and associated facilities.

Owen is also highly experienced in the inspection and monitoring programmes associated with condition assessment for operating facilities.

Owen’s project experience includes:

  • Natural gas & LPG transmission pipelines
  • In-service pipeline realignments
  • Pipeline refurbishment
  • Statutory and regulator compliance
  • Gas delivery points
  • Construction specifications
  • Project technical documentation


ECNZ Ltd owners are:

  • John Hayles
  • Steve Liddell
  • Owen McBride
  • Frank Petruzzelli