Difference between revisions of "Intact top seal"
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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- | + | | frompg = 10-64 |
− | | topg = 10- | + | | topg = 10-64 |
| 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 | ||
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− | An intact top seal is a seal that has not undergone fracturing. An intact top seal can trap only a finite column of hydrocarbon. In theory, the height of hydrocarbon column that can be trapped can be calculated from the capillary properties of the seal pores system and the physical character of the hydrocarbons and pore fluids. This venerable approach to analyzing top seals has been covered in depth by Berg,<ref name=ch10r5>Berg, R. | + | An intact top seal is a seal that has not undergone fracturing. An intact top seal can trap only a finite column of hydrocarbon. In theory, the height of [[hydrocarbon column]] that can be trapped can be calculated from the capillary properties of the seal pores system and the physical character of the hydrocarbons and pore fluids. This venerable approach to analyzing top seals has been covered in depth by Berg,<ref name=ch10r5>Berg, R. R., 1975, [http://archives.datapages.com/data/bulletns/1974-76/data/pg/0059/0006/0900/0939.htm Capillary pressure in stratigraphic traps]: AAPG Bulletin, vol. 59, no. 6, p. 939–956.</ref> Schowalter,<ref name=ch10r67>Schowalter, T. T., 1979, [http://archives.datapages.com/data/bulletns/1977-79/data/pg/0063/0005/0700/0723.htm Mechanics of secondary hydrocarbon migration and entrapment]: AAPG Bulletin, vol. 63, no. 5, p. 723–760.</ref> Watts,<ref name=ch10r92>Watts, N. L., 1987, Theoretical aspects of cap-rock and fault seals for single and two-phase hydrocarbon columns: Marine and Petroleum Geology, vol. 4, no. 4, p. 274–307., 10., 1016/0264-8172(87)90008-0</ref> and Vavra et al.<ref name=ch10r87>Vavra, C. L., J. G. Kaldi, and R. M. Sneider, 1992, [http://archives.datapages.com/data/bulletns/1992-93/data/pg/0076/0006/0000/0840.htm Geological applications of capillary pressure: a review]: AAPG Bulletin, vol. 76, no. 6, p. 840–850.</ref> |
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==See also== | ==See also== | ||
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* [[Estimating displacement pressure]] | * [[Estimating displacement pressure]] | ||
* [[Seal capacity]] | * [[Seal capacity]] | ||
− | * [[ | + | * [[Seal capacity: pitfalls and limitations of estimation]] |
==References== | ==References== | ||
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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]] |
Latest revision as of 15:08, 31 March 2022
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 |
An intact top seal is a seal that has not undergone fracturing. An intact top seal can trap only a finite column of hydrocarbon. In theory, the height of hydrocarbon column that can be trapped can be calculated from the capillary properties of the seal pores system and the physical character of the hydrocarbons and pore fluids. This venerable approach to analyzing top seals has been covered in depth by Berg,[1] Schowalter,[2] Watts,[3] and Vavra et al.[4]
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See also
The steps in the procedure above as well as problems that can occur are discussed in the following subsections.
- How capillary properties control seal
- Estimating displacement pressure
- Seal capacity
- Seal capacity: pitfalls and limitations of estimation
References
- ↑ Berg, R. R., 1975, Capillary pressure in stratigraphic traps: AAPG Bulletin, vol. 59, no. 6, p. 939–956.
- ↑ Schowalter, T. T., 1979, Mechanics of secondary hydrocarbon migration and entrapment: AAPG Bulletin, vol. 63, no. 5, p. 723–760.
- ↑ Watts, N. L., 1987, Theoretical aspects of cap-rock and fault seals for single and two-phase hydrocarbon columns: Marine and Petroleum Geology, vol. 4, no. 4, p. 274–307., 10., 1016/0264-8172(87)90008-0
- ↑ Vavra, C. L., J. G. Kaldi, and R. M. Sneider, 1992, Geological applications of capillary pressure: a review: AAPG Bulletin, vol. 76, no. 6, p. 840–850.