top of page


  • Global Network of independent, highly-skilled and highly-experienced Specialists and Subject Matter Experts.

  • Platform that allows Technical Managers, Technical Specialists, Trainers and also Technology Developers to collaborate and provide integrated, multi-disciplinary services to resource companies worldwide.

  • Network Members have all gained extensive and diverse experience by working on numerous projects with many international and national resource companies around the world, including major Operating companies and/or Service companies.

Ralf Oppermann
Managing Director

Principle Geoscientist, Service Company Director and 

RTN Managing Director

  • Award-winning Senior Geologist, Seismic Interpreter and Technical Adviser.

  • 33 years of broad international experience with Shell (15yrs), Chevron (3yrs) and as a Consultant (15yrs), working in the UK, Germany, Malaysia, New Zealand and Australia.

  • Specialized in Seismic Reservoir Characterization.

  • Developed new AAPG-awarded Workflows for high-resolution Fault Delineation and detailed Asset Evaluation.

Wesley Emery

Principle Petrophysicist, Service Company Director and

 RTN Technical Director

  • Senior Petrophysicist

  • 33 years experience in the Petroleum Industry in South East Asia, Australia and the U.K.

  • Standard and Advanced Petrophysical Evaluations of Clastic and Carbonate Reservoirs.

  • Specialised in predicting and populating petrophysical properties into the 3D Seismic volume.

Supported by 
> 260
RTN Consultants
the world

Network Capabilities

  • Covering every subsurface technical discipline

  • Members have 15 years – 45 years (average: 28 years) experience

  • Members have specialisations in certain discipline segments

  • Members have developed their own new technology workflows

  • Extensive links with Universities / Research establishments

Our current >265 RTN Members have performed many studies...

  • More than  5,000  Projects  have been performed successfully

  • for more than  400  Clients  worldwide

  • on Assets located in more than  70  Countries

bottom of page