Yang Mou, Meng Ying-Feng, Li Gao, Deng Jian-Min, Li Yong-Jie, Zhou Yu-Liang. A new method of forecasting initial formation temperature during the whole drilling process based on proportional-integral control principleJ. Acta Physica Sinica, 2013, 62(17): 179101. DOI: 10.7498/aps.62.179101