M. King Hubbert 1903-1989 “Our ignorance is not so vast as our failure to use what we know” 2004 U = 1800 BBO Other Estimates: Craig Hatfield (1997): Peak = 2013; U = 2450 BBO John Edwards (1997): Peak = 2020; U = 2900 BBO Campbell and Laherrere (1998) • Most estimates ~ 2000 BBO • USGS 2000 is most recent and exhaustive estimate - world ultimate mean estimate of ~ 3000 BBO • Considered optimistic by many • large estimate of undiscovered oil esp. in FSU and middle east. DOE/EIA Website, 2000 • calculates reserve growth for world based on experience in U.S. • Uncertainty in proven reserves. • Suspicious jump in reserves by six OPEC members added 300 billion barrels of oil to official reserve tallies. • Yet this trend was not accompanied by any major discovery of new fields. • The market has NOT found more oil “Hubbert’s pimple” Trillion kwh per year 1977 Internal Estimate : 12.5-15 Gb Reported : 9 Gb Technology added nothing 1989 1977 R. Hersh