Poland’s state-owned oil and gas company PGNiG has signed an agreement with the Ukrainian-American Energy Resources of Ukraine (ERU), which provides for joint exploration of gas in Ukraine.
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UkrInform: Poland’s PGNiG signs deal on gas exploration in Ukraine

An employee operates at a gas drilling site belonging to state-owned UkrGasVydobuvannya, which controls domestic natural gas production, on Oct. 24, 2018 in Poltava Oblast.