@wikipedia
Hydrocarbon Reserves Classification provides the fast primary insight in into the size, uncertainty and structure of the Hydrocarbon Reserves.
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title | By recoverable volume |
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title | By reserves uncertainty (SPE) |
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| 2P = Proven P90 + Possible P50 |
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1P = Proven P90 | Probable P50 | Possible P10 |
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Proven developed (PD) | Proven Undeveloped (PUD) | see also Russian Reserves Uncertainty Categories Excerpt Include |
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| Hydrocarbon Reserves Uncertainty |
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| Hydrocarbon Reserves Uncertainty |
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title | By petroleum density at surface |
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crude crude crude heavy crudeHeavy Oil (Bitumen) |
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kg/m3 | < 702* | 702 ÷ 801 | 801 ÷ 870 | 870 ÷ 920 | 920 ÷ 1000 | > 1000 |
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API | > 70° | 45° ÷ 70° | 45° ÷ 31.1° | 22.3° ÷ 31.1° | 10° ÷ 22.3° |
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< 10° | |
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title | By petroleum mobility |
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| where box colours * – with reference to air. where box colors mean:
and 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 saturationconditions |
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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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title | By vertical homogeneity |
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title | By fault developemnt |
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| Anticline | Stratigraphic | Normal Fault | Thrust Fault |
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Excerpt Include |
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| Anticline Structure |
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| Anticline Structure |
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| Stratigraphic Structure |
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| Stratigraphic Structure |
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| Excerpt Include |
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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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| 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 Reserves Hydrocarbon Reserves Uncertainty Categories ][ Hydrocarbon Reserves Uncertainty ]
References
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https://www.spe.org/industry/reserves.php
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