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1st Subsurface


1st Subsurface is a multidisciplinary consultancy specialising in subsurface oilfield management, exploration and asset strategy. 

1st Subsurface works not only with licensees, but with a wide range of stakeholders to analyse, identify and execute opportunities to maximise economic recovery and mitigate risk. This covers the full life cycle - from exploration to late life and cessation of production issues, and supply chain opportunities.

Using their in-house expertise and unique database TROVE, 1st Subsurface are able to add substantial value in the M&A process through opportunity identification, due diligence and risk mitigation.

With experienced employees and associates, the company's passion and dedication is to maximise economic hydrocarbon reserves. 


Exploration & Development

  • Portfolio management
  • Regional Geology & Play fairway analysis
  • Prospect generation
  • Risk and Uncertainty
  • Volumetric estimation
  • Seismic Interpretation
  • Quantitative Geophysics

Production & Decommissioning

  • Late Life Field Management
  • Infill Drilling & Workover Justifications
  • Strategic Area Plans
  • Detailed technical studies 
  • "Final 24 Months" - End of Field Life Strategy

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