A method for extracting oil from a field with hard-to-recover reserves based on systems analysis methodologyYerbol Ospanov, Ulmeken Smailova, Yeldos Mukhametov, Botagoz Zhapar, Araylym Zhienbek, Salavat Khidoyatov and Rashid NazarovE3S Web Conf., 498 (2024) 03016DOI: https://doi.org/10.1051/e3sconf/202449803016