Florida 2004 Wellingborough Jurassic Real Programmer Volcano Leo Tolstoy Roughneck Ouija Directional drilling Yekaterinburg Giant squid Brent oilfield Brae oilfield List of oil fields Geology of Great Britain Tern oilfield Chalk Group Ekofisk oil field 2006 Slyne-Erris Trough 2007 2008 2009