Difference between revisions of "Kerogen types: comparison of maturity measures"
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* [[Kerogen type and maturity]] | * [[Kerogen type and maturity]] | ||
* [[Kerogen type and transformation ratio]] | * [[Kerogen type and transformation ratio]] | ||
| − | * [[Open-vs | + | * [[Open- vs closed-system generation modeling]] |
==External links== | ==External links== | ||
Revision as of 14:06, 24 January 2014
| Exploring for Oil and Gas Traps | |
| |
| Series | Treatise in Petroleum Geology |
|---|---|
| Part | Critical elements of the petroleum system |
| Chapter | Evaluating source rocks |
| Author | Carol A. Law |
| Link | Web page |
| Store | AAPG Store |
Parameter differences
The table below shows examples of the relationships between hydrocarbon generation zones, maturity, and transformation ratio for standard types II and III kerogens, based on a specific burial and thermal history model. The most significant difference is in the depth to the onset of oil generation, where depth::1000 m separates the top of the oil windows of these two kerogen types.
| Hydrocarbon generation zone | Vitrinite refl., % Ro, Type II | Vitrinite refl., % Ro, Type III | Transformation ratio, %, Type II | Transformation ratio, %, Type III | Present-day depth, m, Type II | Present-day depth, m, Type III |
|---|---|---|---|---|---|---|
| Onset oil | 0.55 | 0.85 | 5 | 12 | 2200 | 3200 |
| Onset peak rate generation | 0.65 | 1.00 | 17 | 31 | 2600 | 3500 |
| Onset gas/cracking liquids | 0.95 | 1.35 | 88 | 64 | 3400 | 4050 |
See also
- Relationships between maturity and hydrocarbon generation
- Kerogen type and hydrocarbon generation
- Kerogen type and maturity
- Kerogen type and transformation ratio
- Open- vs closed-system generation modeling
External links
| find literature about Kerogen types: comparison of maturity measures |
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