keywords: reserves conoco conocophillips lukoil pct
text: UPDATE 2-LUKOIL says Conoco can book 10 pct of its reserves US oil firm ConocoPhillips (COP.N: Quote, Profile, Research) will be able to add 10 percent of Russian major LUKOIL #39;s (LKOH.RTS: Quote, Profile, Research) total reserves to its books after it completes buying a 10 percent stake 