KIEV, June 4 ??“ UkrNafta, Ukraine's largest oil producer, on June 1 stopped extraction of oil and gas at 16 wells (12 oil and 4 gas wells) on the Sakhalinske oil and gas condensate field in Krasnokutsky District in Kharkiv region, the company reported.

According to the report, extraction was stopped at the request of national Nadra Ukrayiny due to the cancellation of the powers of attorney of the executive director and chief accountant of Akhtyrkanaftogaz, and the issue of unsigned technical regimes by the leadership of a daughter company of Nadra Ukrayiny ??“ Poltavanaftogazgeologiya.