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Tomax

Downhole drilling regulator (AST) that reduces drill-string vibration for oil and gas well operators worldwide

Stavanger, NorwayFounded 2005tomax.noWebsite technologies

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Highlights

  • New on EvolcAdded 2026-10-28

About Tomax

Tomax develops and supplies the patented AST, a downhole mechanical-hydraulic regulator integrated into the lower drill string to reduce drilling instability and stick-slip vibration. Tool sizes range from 4.75 to 9.5 inches, and the company states that the tool has been used in more than 15,000 wells.

Customers are oil and gas drilling operators and service providers, and the company supplies AST tools and parts to oilfield hubs around the world. Quotes and orders are placed through an online B2B order portal offering price estimates, order tracking and datasheets.

Tomax is a privately owned company founded in 2005 with its headquarters at Forus, near Stavanger, Norway. Its field service branches are certified to ISO 9001:2015, and the company reports regional coverage across the Middle East and North Africa, South America, Africa, North America, Europe and Far East Asia.

Product: AST (Anti Stick-slip Tool), a downhole mechanical-hydraulic regulator for PDC drill bits, sold in multiple tool sizes.

Jobs at Tomax

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