[4] In 1982–1987 he worked in the apparatus of Yuganskneftegaz as chief engineer of the central research laboratory, head of the production department for chemicalization.

In May 1998, Petukhov accused Yukos of the fact that the company does not pay taxes to the local budget, which is why employees do not receive a salary.

[5] Petukhov's hunger strike lasted a week and ended after the promise of the Governor of the Khanty-Mansi Autonomous Okrug Alexander Filipenko to check the information and take action.

[5] A few days after the end of the hunger strike, on the morning of June 26, 1998, on his way to work, Petukhov was shot near the city administration building.

[3] After Petukhov's assassination in Nefteyugansk, rallies took place, where Yukos was accused of murder, residents blocked roads and demanded an investigation of the crime.