Blue Dolphin Energy (BDCO) 10-K 2011 FY Annual report

Exhibit 21.1

List of Subsidiaries of Blue Dolphin Energy Company (“Blue Dolphin”):

- Lazarus Energy, LLC, a Delaware limited liability company⁽¹⁾(“LE”);

- Blue Dolphin Exploration Company, a Delaware corporation;

- Blue Dolphin Pipe Line Company, a Delaware corporation;

- Blue Dolphin Services Co., a Texas corporation;

- Blue Dolphin Petroleum Company, a Delaware corporation; and

- Petroport, Inc., a Delaware corporation.

⁽¹⁾  Blue Dolphin acquired one hundred percent (100%) of the issued and outstanding membership interests of LE effective February 15, 2012.