5Hallock Jr., J. L., Tharakan, P. J., Hall, Charles A.S. Jefferson, M., Wu, W. Forecasting the limits to the avail ability and diversity of global vonventional oil supply[J] Energy, 2004, 29:1673-1696.
6McCarthy, R. W., Ogden, J. M., Sperling, D. Assessing reliability in energy supply systems[J]. Energy policy, 2007, 35: 2151-2162.
7Skov, A. M.. The global resource frame of the middle 21century[J]. International Oil Industry, 2003, (3): 94-97.
8李新民.中国石油:新探明油气资源储量持续增长[N].经济参考报,2009.
9Bouchet, E. C., Groslambert, B. and Groslambert, B. Country risk assessment: A guide to global investment strategy[M]. New York: John Wiley & Sons, 2003.
