Development of inhibitory drilling fluid for drilling in clay layer Nizomiddin Yodgorov, Mirzohid Abdukarimov, Shaxboz Norkulov, Ramiz Suyunov and Muhammad Khabibillaev E3S Web of Conf., 401 (2023) 05073 Published online: 11 July 2023 DOI: 10.1051/e3sconf/202340105073