The Boxi Area consists of a number of small oil and gas discoveries in the western Bohai Gulf. The Qikou 17-2, 17-3, 18-1, 18-2 and 18-9 fields are currently in production. Qikou 17-2, the largest of the fields, came onstream in June 2000. The southeast portion of the field, Qikou 17-2E, came onstream in Q4 2006. The Caofeidian 18-2 and 18-1 fields came onstream in December 2009 and March 2010 respectively.