Wall Street JournalPemex Finds Large Oil Fields in Shallow Waters of Gulf of MexicoWall Street JournalMEXICO CITY—Mexico's national oil company Petróleos Mexicanos has discovered significant oil fields in the shallow waters of the Gulf of Mexico and ex …

Wall Street JournalAsian Buyers Seize on Oil-Price SpreadWall Street JournalIt isn't just the sharp drop in crude prices since last summer that has roiled the global oil industry. It is the way they have fallen. During the slump, U.S. oil prices have d …

Mexico Tenders Nine Shallow-Water Oil FieldsWall Street JournalMEXICO CITY—Mexico launched the second phase of an oil bid round Friday, tendering nine shallow-water fields that have proven and probable reserves of 355 million barrels and lie in an area of …