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Conwy Valley Systems Limited,

Wells House, 12, Hawes Drive,

Deganwy, Conwy, LL31 9BW, United Kingdom.

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PETROG 4 supports the following Windows operating systems: Windows 10 and Windows 7. On Windows 10, it does not run under the Metropolitan interface, only the desktop. It should run under Windows 8/8.1 and Windows XP but we no longer support these platforms.

PETROG 4 supports a wide variety of makes and models of cameras.

Who uses PETROG?



You can see who uses PETROG here, and testimonials from users can be read here.

For information on making enquiries about purchasing PETROG,see here. Please also review the system requirements for    running PETROG

There are some demonstrations of the features of PETROG which can be viewed here

Download a PowerPoint presentation  showing how PETROG will transform your petrography

See a guide to the features of PETROG

PETROG assists the petrographer at all stages of petrographic analysis from the slide through to the final report.

PETROG's key benefits are:

PETROG Transforms Your Petrographic Data

Oil and Gas





Ceramics in Archaeology

Cement Clinker

PETROG is an integrated petrographic data collection, storage and analysis system. PETROG is in use on every continent collecting, storing and analysing petrographic data.

PETROG™ Digital Petrography