Implementation of Risk Management in Manufacturing of Wellhead and Christmas Tree Equipment (Risk management framework)Abdul Hamid, Ishak Bin Baba, Sulaiman Bin Haji Hasan, Agung Setyo Darmawan and NushatisahMATEC Web Conf., 248 (2018) 03013DOI: https://doi.org/10.1051/matecconf/201824803013