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Oil and Gas Welding Engineering, Maintenance and Inspection

Unit 15,
37 Brown Street,
East Perth,
WA 6004,

WeldNet is a specialised welding and metallurgical engineering consultancy group based in Perth, Western Australia. The group has been established for over 20 years, and services clients in the oil and gas, mineral processing, mining, construction and fabrication industries in Australia and overseas.

Oil and gas welding and metallurgical engineering advice and consultancy

WeldNet offers contract and ad-hoc welding and metallurgical engineering advice and consultancy on design, fabrication, construction, quality assurance and control, as well as failure and defect analysis and investigation. This includes specialised support from our main office to our clients in Australia and overseas on construction and fabrication sites.

In addition, WeldNet provides on-going welding and metallurgical advice for maintenance and shutdown support for major chemical, oil, LNG and mineral processing plants based in Australia and overseas.

Welding consultancy and research

WeldNet provides a range of welding consulting and research services including:

WeldNet’s welding consulting and research services include welding process technology research and development.
WeldNet offers technical advice on materials selection, weld design review and the selection of welding processes.
WeldNet provides supervision in projects such as shutdown maintenance welding and hot taps, tenders and contract views.
WeldNet offers a number of welding training and quality assurance / quality control courses to the offshore industry.
The company offers a documentation management service to assist with the preparation, organisation, storage and retrieval of welding procedure qualification records.
  • Welding process technology research and development
  • Welding process and material application literature searches
  • Materials and weld failure investigation
  • Third-party review and validation of welding and material specifications
  • Review, drafting, qualification and approval of welding procedure specifications
  • Review and drafting of material and fabrication specifications
  • Expert witness

Technical welding advice for the offshore industry

WeldNet offers technical advice on materials selection, weld design review, the selection of welding processes, distortion control and welding sequences, QA/QC inspection and test plans, and reviews of manufacturer data reports.

Project management services for offshore welding

WeldNet can provide supervision of projects such as shutdown maintenance welding and hot taps, tenders and contract views.

In addition, the company offers a documentation management service that uses its computer-based WeldNet™ database. Welding coordination is carried out by welding engineers, technologists and specialists who hold appropriate international, European and Australian qualifications.

Welding training courses

WeldNet’s range of welding training and quality assurance / quality control (QA / QC) courses consists of the following:

  • Introduction to welding engineering and metallurgy
  • Welding appreciation courses
  • Introduction to ferrous and non-ferrous materials
  • Introduction to non-destructive testing methods
  • Welding QA / QC implementation / coordination
  • Welding processes and their application
  • Design and delivery of specific training programmes

Welding and metallurgical inspection and surveillance services

WeldNet provides welding and metallurgical inspection, surveillance and supervision services to the mining industry. These include radiographic interpretation (CSWIP level 2); hardness testing (TIME portable testing); WTIA / IIW international welding inspectors; AS1796 Certificate 10 welding supervisors; welding quality assurance and coordination to AS/NZS ISO 3834; and auditing site and workshop welding, QA/QC and HSE activities.

Welding services for offshore and pipeline projects

WeldNet welding specialists, technologists and engineers support many of the current major offshore LNG platform and pipeline construction projects in Australia.

WeldNet is currently involved with a number of industry projects and service contracts. These include welding engineering support (Neptune Marine Services and Mermaid Marine); asset / brownfield support (Transfield Worley Woodside Alliance); pipeline projects (Origin Energy – Redback South; Santos – Vic-P44 pipeline project; WorleyParsons / WestNet Energy – Dampier to Bunbury Pipeline); and offshore / power station facilities maintenance welding engineering support (Vermilion Oil & Gas; Verve Energy).

In addition, the company is involved in various projects with BHP Billiton Petroleum (Stybarrow North Project, Pyrenees Dev, Macedon Project, Griffin Venture, Venture, Minerva, etc.), LNG projects (Marine & Civil MMJV), and many more.


Unit 15
37 Brown Street
East Perth
WA 6004

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