Difference between revisions of "Displacement pressure estimation"
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| Mercury injection measurements | | Mercury injection measurements | ||
− | | [[ | + | | [[Overview of routine core analysis|Cores]] or [[Mudlogging: drill cuttings analysis|cuttings]] |
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| Log analysis | | Log analysis |
Revision as of 15:09, 29 August 2014
Exploring for Oil and Gas Traps | |
Series | Treatise in Petroleum Geology |
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Part | Predicting the occurrence of oil and gas traps |
Chapter | Evaluating top and fault seal |
Author | Grant M. Skerlec |
Link | Web page |
Store | AAPG Store |
In practice, the displacement pressure (Pd) is estimated from laboratory measurements. In real rocks, the single pore-throat radius of the equations in Hydrocarbon column: calculation of maximum height is replaced by a complex pore-throat size distribution.
Estimating techniques
The following table lists techniques commonly used to estimate the displacement pressure of a top seal.
Technique | Needed for the technique |
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Mercury injection measurements | Cores or cuttings |
Log analysis | Logs and database of laboratory measurements |
Sedimentary facies | Facies maps and database of laboratory measurements |
Pore-size distribution | Thin sections, cores, or cuttings |
See also
- Measuring displacement pressure using mercury injection
- Estimating displacement pressure from sedimentary facies and well logs
- Estimating displacement pressure from pore size