[6] The National Anti-Corruption Bureau of Ukraine has charged (former member of the Ukrainian parliament) Oleksandr Onyshchenko as the founder and head of a criminal organization, allegedly whose members in the period from January 2013 to June 2016 stole funds during the production and sale of natural gas under joint venture agreements with UkrGasVydobuvannya.

As part of the fight against corruption, UkrGasVydobuvannya is one of the leaders in the electronic public procurement system ProZorro.

[15] The volume of operational and exploratory drilling amounted to 211,6 thousand m. On August 29, 2023, the company opened a new field with reserves that could reach approximately 1 billion cubic meters of gas.

[16][17] Areas of extraction include Kharkiv, Poltava, Sumy, Donetsk, Lugansk, Dnipropetrovsk, Lviv, Ivano-Frankivsk, Carpathian Ruthenia and Volynska regions.

According to DeGolyer estimates, as of January 1, 2019, the total reliable and probable gas reserves of JSC UkrGasVydobuvannya are 264.2 billion cubic meters.

[20] In February 2021, Tolmachev was appointed Deputy Director of the Exploration and Production Division at Naftogaz of Ukraine NJSC.