Hoang Thanh Tung, Nguyen Xuan Cuong, Do Van Khanh, Truong Hoai Nam, Pham Tam, Nguyen Trong Tai and Nguyen Khanh Trung 2018. Application of geomechanical model to analyse wellbore stability and determination of safe mud weight window for drilling operation and engineering. Petrovietnam Journal. 1, (Jan. 2018), 18-26. DOI:https://doi.org/10.25073/petrovietnam journal.v1i0.43.