The group, backed by Aberdeen and Houston private equity firm SCF Partners, burst onto the oil and gas scene with the £20 million MBO of Corpro in 2007.

Ranked number one in the UK in the 2008 Sunday Times Buyout Track 100, Corpro has provided the bedrock for the foundations on which Reservoir Group is building a global business focused on "down-hole" drilling products and services.

Corpro and US company, Dowdco, form the basis of the group’s activities in drilling downhole tools and services. Both these companies specialise in drill coring services and the manufacture of coring tools.

The addition of Omega Data Services marks the Group’s first step into completion and production tools and services. Omega specialises in the design, manufacture and supply of downhole memory tools and gauges for pressure and temperature surveys.

Together these two distinct areas allow Reservoir Group to provide a broader spectrum of services to the oil and gas industry. Equally, they spread the risk for the group in that while drilling is very cyclical, production and completion activity is far less affected by oil price.

Storecore was acquired in April 2008. The company specialises in the storage and handling of core samples and this acquisition adds another dimension to existing Reservoir Group companies, in particular Kirk Petrophysics which has developed specific technologies to protect the condition of the cores whilst being stored, handled and transported.