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Russian Hydrocarbon Reserves Uncertainty Categories

Created by Arthur Aslanyan (Nafta College), last modified on May 30, 2023

Russian	A	B	C1	ABC1	C2
	Proven Developed Producing (PDP)	Proven Developed Non-Producing (PDN)	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

References

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