Russian | A | B | C1 | ABC1 | C2 |
---|---|---|---|---|---|
Proven Developed Producing (PDP) | proven developed non-producing | Proven Undeveloped Reserves (PUD) | 1P = Proven P90 | Probable P50 + Possible P10 | |
SPE | Proven Developed Reserves(PD) | Proven Undeveloped Reserves (PUD) | 1P = Proven P90 | Probable P50 + Possible P10 |
See Also
Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petroleum Geology / Hydrocarbon Reserves Classification