Tullow Oil Expression of Interest (EOI) for Hydrological Survey and/or Water Bore-Hole Drilling Services in kenya 2012 Expression of Interest (EOI) for Hydrological Survey and/or Water Bore-Hole Drilling Services Tullow Oil plc is a large independent oil and gas exploration company and is a constituent of the London FTSE100. The Group has over 85 licenses in more than 20 countries, with operations in Africa, Europe, South Asia and South America. Tullow Kenya B.V., a subsidiary of Tullow Oil ...