Intensification of oil production using enzyme solutions Vitaly Shchetnikov, Vyacheslav V. Mukhametshin, Lyubov Kuleshova, Ruslan Gilyazetdinov, Mubariz Veliev and Alina Gizzatullina E3S Web Conf., 494 (2024) 02008 Published online: 22 February 2024 DOI: 10.1051/e3sconf/202449402008