Table 2. U.S. Refinery Configurations of U.S. Majors, 1974-1997, Selected Years

Process	1974	1981	1997
	Downstream capacity as a percent of crude distillation capacity
Coking	n.a.	n.a.	12.6
Catalytic Cracking	27.70	30.40	35.9
Catalytic Reforming	17.60	22.40	23.4
Hydro Cracking	5.60	5.70	9.6
Alkylation	4.80	5.30	7.5
n.a.: Information not available.
Sources: Oil and Gas Journal, "Worldwide Refinery Report," 1974, 1981, and 1997.

Last Updated on 6/13/99
Financial Analysis Team, Office of Energy Markets and End Use, Energy Information Administration
Email: neal.davis@eia.doe.gov