TY - RPRT TI - A two-stage step-wise framework for fast optimization of well placement in coalbed methane reservoirs AU - Jiyuan Zhang AU - Qihong Feng AU - Xianmin Zhang AU - Jia Bai AU - C. Özgen Karacan AU - Derek Elsworth PY - 2020 DO - 10.1016/j.coal.2020.103479 UR - https://pubs.usgs.gov/publication/70210685 ID - 70210685 ER -