(Adds details, second discovery in two days off Norway)
OSLO, April 11 (Reuters) - Norwegian oil majorStatoil has made a gas and oil discovery near theValemon field in the northern part of the North Sea, the secondsizeable discovery off Norway in two days, the company said in astatement on Friday.
"Statoil estimates the total volumes in Valemon North to bein the range of 20-75 million barrels of recoverable oilequivalent," it said in a statement.
"By proving additional volumes in the area we increase thereserves base in the Valemon Unit area and add value to theValemon field development."
The discovery is located approximately 10 kilometres northof the Valemon gas and condensate field currently underdevelopment.
The field, discovered in 1985, is one of Statoil's largestcurrent development projects on the Norwegian continental shelf,with recoverable reserves estimated at 206 million barrels ofoil equivalent.
The partners in the Valemon North licence are Statoil with53.8 percent, state oil firm Petoro with 30 percent, CentricaResources with 13 percent and Shell with 3.2 percent.
German gas company VNG said on Thursday it foundbetween 50 and 170 million barrels of recoverable oilequivalents in the Norwegian Sea, including up to 113 millionbarrels of oil near Statoil's Njordfield. (Reporting by Joachim Dagenborg and Nerijus Adomaitis; Editingby Terje Solsvik, Greg Mahlich)