Carrizo Oil & Gas has agreed to sell its wholly-owned subsidiary, Carrizo UK Huntington, and its 15% interest in the North Sea Huntington field for US$184 million in cash to Calgary-based Iona Energy. The Houston-based explorer expects to net $116 million from the sale. E.ON Ruhrgas UK E&P operates Huntington field with 25% interest. Its partners include Premier Oil UK (40%) and Noreco (20%).