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Reservoir Group

Madison Industries acquires Reservoir Group.  Reservoir Group is built upon more than 70 years of experience in the Oil and Gas industry through expert companies that are part of the Reservoir Group portfolio.


Reservoir Group forms Empirica as the premier surface logging brand to consolidate its other surface logging companies.


Wellvention Ltd. provides well intervention and thru-tubing services for the oil and gas industry worldwide. It provides thru-tubing intervention solutions ranging from sale, rental, and service of thru-tubing fishing, milling, cutting, manipulation, and casing exit...

Quest Coring

Quest Coring was a provider of wireline and conventional coring systems. The company offered drilling tools and provided coring, core handling, diamond bits and on site core measurement services.