KIEV, Aug. 3 – Shell Exploration and Production and UkrGazVydobuvannya, or UGV, Ukraine’s largest natural gas producer, will soon join operation in searching for natural gas in Ukraine, UGV said Friday.

The companies will focus on exploration of Shebelinske and Western-Shebelinske, the two fields between Dnipropetrovsk and Donetsk that are believed to contain more than 400 billion cubic meters of natural gas.