The exploration of Drava basin as a joint project of INA and MOL began in 2006 after the partners signed the contract in Zalaegerszeg. INA and MOL, as equal partners in the project, share the costs and the production 50: 50.

In 2007, gas and condensate field was discovered with the first exploration well Zalata-1 where the significant oil and gas reserves were discovered on the Hungarian side of the border.

At the end of 2008, Dravica-1 exploration well was completed on the Croatian side of the contract area, and in April 2010, the work-over testing started. Measurements at the depth of 3,170mt indicated gas flow of 370,000m3/day and some condensate.

The testing confirmed commercial gas reserves in the Croatian part of the exploration field.

The company said that in the following period, both the partners will focus on the development of the discovered field to enable putting it on stream and connecting to the gas infrastructure system.