1. Study of Borehole Stability of Marcellus Shale Wells in Longwall Mining Areas Open Access Author: Wang, Yi Title: Study of Borehole Stability of Marcellus Shale Wells in Longwall Mining Areas Graduate Program: Petroleum and Natural Gas Engineering Keywords: Marcellus shalelongwall mininghorizontal displacementcasing design File: Download Masters_Thesis_Yi_Wang.pdf Committee Members: Yilin Wang, Thesis Advisor/Co-AdvisorJamal Rostami, Thesis Advisor/Co-AdvisorRobert W Watson, Thesis Advisor/Co-Advisor