Natural gas production in mainland Ukraine in January-July increased by 3.6% year-on-year, to 11.096 billion cubic meters, the Ministry of Energy and Coal Industry said. According to the ministry, Naftogaz Ukrayiny, excluding Chornomornaftogaz, during this period reduced natural gas production by 0.1%, to 9.463 billion cubic meters. Ukrgazvydobuvannia reduced production 1.7%, to 8.558 billion cubic meters, while Ukrnafta increased production 18.1%, to 905 million cubic meters. The other working oil and gas companies in the country in increased production 30.2%.