WASHINGTON -- Several U.S. House lawmakers have asked the Energy secretary to review and potentially cancel oil contracts with a Netherlands trading firm to fill the nation's Strategic Petroleum Reserve because of the company's involvement in the Iraq oil-for-food scandal and its dealings in Iran, according to a letter viewed by Dow Jones Newswires Monday.

The bipartisan group of lawmakers seeking the review of contracts with Vitol Holding BV includes Rep. Howard Berman (D., Calif.), chairman of the House Foreign Affairs committee,...