Difference between revisions of "Displacement pressure estimation"
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{| class = "wikitable" | {| class = "wikitable" | ||
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| − | ! Technique | + | ! Technique || Needed for the technique |
| − | |||
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| − | | Mercury injection measurements | + | | Mercury injection measurements || [[Overview of routine core analysis|Cores]] or [[Mudlogging: drill cuttings analysis|cuttings]] |
| − | | [[Overview of routine core analysis|Cores]] or [[Mudlogging: drill cuttings analysis|cuttings]] | ||
|- | |- | ||
| − | | Log analysis | + | | Log analysis || [[Basic open hole tools#Resistivity|Logs]] and database of laboratory measurements |
| − | | [[Basic open hole tools#Resistivity|Logs]] and database of laboratory measurements | ||
|- | |- | ||
| − | | Sedimentary facies | + | | Sedimentary facies || [[Facies map]]s and database of laboratory measurements |
| − | | [[Facies map]]s and database of laboratory measurements | ||
|- | |- | ||
| − | | Pore-size distribution | + | | Pore-size distribution || [[Thin section analysis|Thin sections]], cores, or cuttings |
| − | | [[Thin section analysis|Thin sections]], cores, or cuttings | ||
|} | |} | ||
Revision as of 21:33, 19 October 2014
| Exploring for Oil and Gas Traps | |
| |
| Series | Treatise in Petroleum Geology |
|---|---|
| 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 |
|---|---|
| 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
External links
| find literature about Displacement pressure estimation |
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