Conceptual Engineering including Process Engineering, Facilities definition, and Field Development Plan

Our Expertise

Theon has executed numerous projects for onshore and offshore clients in field development, process engineering and multi-discipline engineering. We have completed Conceptual, Pre-FEED and FEED studies for new and brownfield developments. We have also assisted operators with existing facilities to identify and implement debottlenecking, production enhancement and cost reduction opportunities.


Theon’s services include:

  • Field Development Strategy and Engineering Support for
  • Greenfield and Brownfield
  • Early Production Facilities
  • Challenging Developments (Deep Water, Marginal Fields, Landlocked Fields, High CO2, High H2S, Waxy Crudes, Cold Climate Locations)
  • Evaluation, Ranking and Benchmarking of Options
  • Interfacing with Reservoir Engineering
  • Feasibility and Conceptual Studies
  • Pre-FEED and FEED Studies
  • Flow Assurance and Blending Assessments
  • Production Chemistry Assessments
  • Preparation of Basis of Design
  • Process Design Audits and Peer Reviews
  • Debottlenecking, Optimisation and OPEX Cost Reduction
  • Production Operations Support
  • Secondment of Process Engineers