A festive ceremony dedicated to the 20th anniversary of OOO LUKOIL-West Siberia and the anniversaries of PJSC LUKOIL’s backbone towns began today in West Siberia. Urai celebrates its 50th anniversary, while Langepas and Kogalym officially turn 30. It was the three oilman towns that the company history dates back to, while the company name is made up of the first letters of their names.