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Pore-throat sizes in sandstones, tight sandstones, and shales
Abstract
Abstract Pore-throat sizes in siliciclastic rocks form a continuum from the submillimeter to the nanometer scale. That continuum is documented in this article using previously published data on the pore and pore-throat sizes of conventional reservoir rocks, tight-gas sandstones, and shales. For measures of central tendency (mean, mode, median), pore-throat sizes (diameters) are generally greater than 2 μm in conventional reservoir rocks, range from about 2 to 0.03 μm in tight-gas sandstones, and range from 0.1 to 0.005 μm in shales. Hydrocarbon molecules, asphaltenes, ring structures, paraffins, and methane, form another continuum, ranging from 100 Å (0.01 μm) for asphaltenes to 3.8 Å (0.00038 μm) for methane. The pore-throat size continuum provides a useful perspective for considering (1) the emplacement of petroleum in consolidated siliciclastics and (2) fluid flow through fine-grained source rocks now being exploited as reservoirs.
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Cited by
Zhao, J., Xu, H., Tang, D., Mathews, J. P., Li, S., & Tao, S. (2016) · Fuel · doi:10.1016/j.fuel.2016.06.076 · Cited by 283
Jin, L., Hawthorne, S., Sorensen, J., Pekot, L., Kurz, B., Smith, S., Heebink, L., Herdegen, V., Bosshart, N., Torres, J., et al. (2017) · Applied Energy · doi:10.1016/j.apenergy.2017.10.054 · Cited by 282
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Bourg, I. C., Beckingham, L. E., & DePaolo, D. J. (2015) · Environmental Science & Technology · doi:10.1021/acs.est.5b03003 · Cited by 163
Metadata
- Authors
- Nelson, P. H.
- Venue
- AAPG Bulletin
- Published
- 2009-03
- Volume
- 93
- Issue
- 3
- Pages
- 329-340
- ISSN
- 0149-1423 (ISSN-L)
- OpenAlex
- W2162498574
- Cited by
- 1,274
- References
- 0
- FWCI
- 21.15
- Type
- journal article
- Language
- en
- Open access
- closed
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