Good result for Tullow in Sierra Leone

15th Nov 2010 07:36

Oil and gas company Tullow Oil has had a favourable result on its 10% owned Mercury-1 exploration well in Sierra Leone.Anadarko Petroleum, which has a 65% interest in the well, said the company's second deepwater test in the Sierra Leone-Liberian Basin encountered about 135 net feet of oil pay in two Cretaceous-age fan systems."The Mercury well demonstrates that the stratigraphic trapping systems we've identified are working, and that the petroleum system is generating high-quality oil," Anadarko senior vice president of Worldwide Exploration, Bob Daniel,s said. "In the primary objective, the Mercury well encountered approximately 114 net feet of light sweet crude oil with a gravity of between 34 and 42 degrees API, with no water contact. An additional 21 net feet of 24-degree gravity crude was encountered in a shallower secondary objective," Daniels added.Spanish company Repsol has a 25% interest in the well.