IReS provides a fully integrated range of geological and mineralogical consultancy services and products to clients worldwide. Our high profile clients include major national and international oil companies, independent oil companies and government agencies.

Founded to meet the needs of the petroleum industry, IReS core expertise lies in the areas of clastic and carbonate sedimentology, petrography and diagenesis, mineralogy, reservoir characterisation, biostratigraphy, chemical sequence stratigraphy and geochemistry.


  • Clastic and carbonate sedimentology
  • Fractured core logging and fracture analysis
  • Petrographic and diagenetic studies
  • Assessment of reservoir quality and geological reservoir characterisation
  • Chemical sequence stratigraphy
  • Biostratigraphy
  • Organic geochemistry
  • Specialist mineralogical analyses

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