Shell announced a “significant” new oil discovery in the deepwater eastern Gulf of Mexico, adding to discoveries in the area from 2009. The discovery is located at the Appomattox prospect in 2,200 metres (7,217 feet) of water in Mississippi Canyon blocks 391 and 392.
|Shell sites in the Gulf of Mexico. The Appomattox prospect is the eastern-most. Click to enlarge.|
Shell drilled the discovery well, located on Mississippi Canyon block 392, to a depth of 7,643 meters (25,077 feet) and encountered approximately 162 meters (530-feet) of oil pay. Shell then drilled an appraisal sidetrack to 7,910 meters (25,950-feet) and encountered approximately 116 meters (380-feet) of oil pay. Additional appraisal activities are planned for later in the year.
Shell operates and holds an 80% working interest in the prospect, with partner Nexen holding the remaining 20%.
Shell made an initial discovery in the deepwater eastern Gulf of Mexico in 2003 with the Shiloh discovery (Shell 80%, Nexen 20%). A second discovery followed in 2007 at Vicksburg (Shell 75%, Nexen 25%), located about ten kilometers (six miles) east of Appomattox.