Not actually true, we get more from Saudi Arabia than Nigeria or Venezuela.
Data from March 2004 (in thousands of barrels per day)
CANADA.............................1,583
MEXICO..............................1,576
SAUDI ARABIA..................1,478
NIGERIA..............................1,417
VENEZUELA.......................1,343
IRAQ.......................................621
ANGOLA................................336
UNITED KINGDOM..............293
ALGERIA................................253
NORWAY...............................217
KUWAIT.................................214
GABON...................................108
COLOMBIA............................105
ECUADOR................................95
EQUATORIAL GUINEA..........93
Total crude oil imports averaged 10.254 million barrels per day in March. Only the top 15 listed above.
Last year first quarter, Saudi Arabia was our #1 supplier
Sorry forgot to source
http://www.eia.doe.gov/pub/oil_gas/petroleum/data_publications/company_level_imports/current/import.html
Energy Information Administration, the independent statistical and analytical agency within the U.S. Department of Energy