Integrated Geochemical Interpretation Limited IGI Ltd

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Integrated Geochemical Interpretation Ltd (IGI Ltd), set up in 1983,  is a petroleum geochemical consultancy company based in the South West of England and operating worldwide.


IGI provides services for the gas & oil industry in the areas of exploration and production. Always soundly anchored in geology and often using our own interpretational software p:IGI, the company offers three general areas of knowledge-based service:

  • Expert geochemical interpretation and basin modelling

  • Basic and advanced geochemical and modelling training courses

  • Field work

IGI’s principal business is to provide an integrated geochemical interpretation service together with basin modelling, to develop and market software and provide training courses to the oil and gas exploration industry.  IGI advises on, and interprets, geochemical data.

Together with a sound understanding of the geology, IGI's interpretations are typically based on the creation of geochemical databases and the integrated use of basin modelling to establish prospectivity in terms of the amount, timing and composition of the hydrocarbon charge.

These conclusions can be tested at the basinal scale using oil, gas & source rock correlations and used to optimise production by the application of reservoir geochemistry.

IGI has developed and marketed a unique geochemical and interpretation software package (p:IGI). This interpretation is supported by an interactive manual (ig.NET), accessed via a dedicated browser application, with many hundreds of linked pages covering applied organic geochemistry in terms of analysis, interpretation and case studies.

In 2011, IGI opened a separate office in Birmingham (UK) for the software development arm of the company.

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