@wikipedia
Hydrocarbon Reserves Classification provides the primary insight into the size, uncertainty and structure of the Hydrocarbon Reserves.
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title | By recoverable volume |
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| Super-Giant | GiantMediumSmall | > 5 billion> 500 million> 50 million> 5 million< 5 million
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title | By uncertainty (SPE) |
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2P = Proven P90 + Possible P50 | 1P = Proven P90 | Probable P50 | Possible P10 |
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Proven developed (PD) | Proven Undeveloped (PUD) |
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| complexityreserves uncertainty (SPE) |
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| Hydrocarbon Reserves Uncertainty |
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| Hydrocarbon Reserves Uncertainty |
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Conventional | Unconventional |
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Gas | Condensate
| Oil | Heavy Oil | Shale Gas | Shale Oil | Bitumen |
oil petroleum density at surface |
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| crude oil crude heavy crude870 – 920 – > > 70° | 45° ÷ 70° | 45° ÷ 31.1° | 22.3° |
| – – | < 10° |
* – with reference to air. |
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title | By petroleum mobility |
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| | > 100 md ÷ 10 | Gas | Gas condensate | | Low viscous oil | < 1 |
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Medium viscous oil | 1 ÷ 10 |
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High viscous oil | 10 ÷ 100 |
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Extra high viscous oil | 100 ÷ 10,000 |
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Bitumen | > 10,000 |
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where box colours
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Light oil | Oil | Heavy oil | Bitumen | where box colors reserves Reserves which are currently not exploited by Petroleum Industryand the ranges of properties in the table are only tentatively define the category based on the industry statistics and conventions, which vary over history and locations. |
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title | By reservoir gas conditions |
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title | By water-oil relative mobility ratio |
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| Very Fast Oil | Fast Oil | Commensurable mobilitie of Oil and Water | Fast Water | Very Fast Water |
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<0.2 | 0.2 ÷ 0.75 | 0.75 ÷ 1.25 | 1.25 ÷ 5 | >5 |
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title | By rock quality (FZI) |
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| Very Poor | Poor | Medium | Good | Very Good |
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title | By aquifer type and strength |
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title | By reservoir homogeneity |
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| Faulted | Compartmentalized
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title | By vertical homogeneity |
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title | By fault developemnt |
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| Faulted | Compartmentalized |
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| Anticline | Stratigraphic | Normal Fault | Thrust Fault |
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| Anticline Structure |
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| Stratigraphic Structure |
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| Stratigraphic Structure |
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| Normal Fault Structure |
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| Normal Fault Structure |
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| Thrust Fault Structure |
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See Also
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Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petroleum Geology / Petroleum Reservoir / Hydrocarbon Reserves
[ Russian Hydrocarbon Reserves Uncertainty Categories ][ Hydrocarbon Reserves Uncertainty ]
References
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https://www.spe.org/industry/reserves.php
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