Reserves

Million Barrels	A+B+C1^*	C2^*	Total^*
Salym Group of Fields (50%)	416	95	511
Orekhovskoye Field	48	5	53
Yuzhnoye Field	88	5	93
Total	552	105	657
Russian reserves are classified as follows: A = reserves proven and developed B = reserves proven buy not yet developed C1 = reserves tested and lie within proven and probable C2 = reserves contiguous to C1 and substantiated by geological data and lie within probable, possible and contingent

Crude oil production