Darrell Mandiwall

Technical Services Manager

Darrell has more than 20 years’ detailed experience of all aspects of reservoir engineering including operated field experience.  He excels at leading multi-disciplinary reservoir studies, operational and functional reservoir management and reserves reporting.


  • Reservoir Engineering
  • Leading multi-disciplinary teams
  • Project Management
  • Reserves reporting


1-2 Apollo Studios,
Charlton Kings Rd,
London NW5 2SB

Darrell Mandiwall is the Technical Services Manager for OPC and has been since 2015. He leads a team of multi-disciplinary Geoscientists and Engineers to complete in house technical projects. Prior to joining OPC in 2015, Darrell’s career has been spent with major operating companies. He has practical and theoretical reservoir and petroleum engineering knowledge gained through working on and managing numerous projects over the last 22 years, the majority of which have been focused on UK Central and Southern North Sea.

Darrell holds a Petroleum Engineering MSc from Imperial College London.

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