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| | part = Predicting the occurrence of oil and gas traps | | | part = Predicting the occurrence of oil and gas traps |
| | chapter = Evaluating top and fault seal | | | chapter = Evaluating top and fault seal |
− | | frompg = 10-1 | + | | frompg = 10-69 |
− | | topg = 10-94 | + | | topg = 10-69 |
| | author = Grant M. Skerlec | | | author = Grant M. Skerlec |
| | link = http://archives.datapages.com/data/specpubs/beaumont/ch10/ch10.htm | | | link = http://archives.datapages.com/data/specpubs/beaumont/ch10/ch10.htm |
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| | isbn = 0-89181-602-X | | | isbn = 0-89181-602-X |
| }} | | }} |
− | In practice, the displacement pressure is estimated from laboratory measurements. In real rocks, the single pore-throat radius of the equations on page 10–68 is replaced by a complex pore-throat size distribution. | + | In practice, the [[Top seal displacement pressure|displacement pressure]] (P<sub>d</sub>) 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== | | ==Estimating techniques== |
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| {| class = "wikitable" | | {| class = "wikitable" |
| |- | | |- |
− | ! Technique | + | ! Technique || Needed for the technique |
− | ! Needed for the technique
| |
| |- | | |- |
− | | Mercury injection measurements | + | | Mercury injection measurements || [[Overview of routine core analysis|Cores]] or [[Mudlogging: drill cuttings analysis|cuttings]] |
− | | Cores or cuttings | |
| |- | | |- |
− | | Log analysis | + | | Log analysis || [[Basic open hole tools#Resistivity|Logs]] and database of laboratory measurements |
− | | Logs and database of laboratory measurements | |
| |- | | |- |
− | | Sedimentary facies | + | | Sedimentary facies || [[Facies map]]s and database of laboratory measurements |
− | | Facies maps and database of laboratory measurements | |
| |- | | |- |
− | | Pore-size distribution | + | | Pore-size distribution || [[Thin section analysis|Thin sections]], cores, or cuttings |
− | | Thin sections, cores, or cuttings | |
| |} | | |} |
| | | |
| ==See also== | | ==See also== |
− | This subsection contains the following topics which correlate with the techniques listed in the table above.
| + | * [[Measuring displacement pressure using mercury injection]] |
− | | + | * [[Estimating displacement pressure from sedimentary facies and well logs]] |
− | * [[Measuring Pd using mercury injection]] | + | * [[Estimating displacement pressure from pore size]] |
− | * [[Estimating Pd from sedimentary facies and well logs]] | |
− | * [[Estimating Pd from pore size]] | |
| | | |
| ==External links== | | ==External links== |
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| [[Category:Predicting the occurrence of oil and gas traps]] | | [[Category:Predicting the occurrence of oil and gas traps]] |
| [[Category:Evaluating top and fault seal]] | | [[Category:Evaluating top and fault seal]] |
| + | [[Category:Treatise Handbook 3]] |