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There is a page named "Porosity" on this wiki. See also the other search results found.
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- | chapter = Porosity ...most all hydrocarbon reservoirs are composed of sedimentary rocks in which porosity values generally vary from 10 to 40% in sandstones and from 5 to 25% in car24 KB (3,450 words) - 19:09, 20 January 2022
File:Porosity fig2.png Idealized sandstone porosity system showing four basic pore types: intergranular, microporosity, dissolu(936 × 434 (96 KB)) - 18:19, 14 January 2014File:Porosity fig3.png Idealized carbonate porosity system showing three basic porosity groups: fabric selective, not fabric selective, and fabric selective or not(950 × 757 (24 KB)) - 18:19, 14 January 2014File:Porosity fig4.png Schematic diagram of packing arrangements for spheres. Porosity values are calculated for cubic (47.6%), orthorhombic (39.5%), rhombohedral(1,895 × 1,463 (110 KB)) - 18:19, 14 January 2014File:Porosity fig5.png (932 × 606 (36 KB)) - 18:19, 14 January 2014File:Porosity fig6.png (917 × 676 (30 KB)) - 18:19, 14 January 2014File:Porosity fig1.png Schematic of a pore system relating mineralogy, water content, and porosity assessment. (Notes: *lf sample is completely disaggregated during measureme(1,942 × 983 (76 KB)) - 18:19, 14 January 2014File:UGM Porosity Fig 10.png (710 × 486 (111 KB)) - 18:48, 7 July 2015File:UGM Porosity Fig 9.png (632 × 410 (98 KB)) - 18:49, 7 July 2015File:UGM Porosity Fig 8.png (1,008 × 488 (88 KB)) - 18:49, 7 July 2015File:UGM Porosity Fig 7.png (756 × 514 (55 KB)) - 18:49, 7 July 2015File:UGM Porosity Fig 6.png (1,040 × 526 (81 KB)) - 18:49, 7 July 2015File:UGM Porosity Fig 5.png (1,302 × 868 (246 KB)) - 18:49, 7 July 2015File:UGM Porosity Fig 4.png (988 × 942 (483 KB)) - 18:50, 7 July 2015- ...] data, especially in formations of complex lithology. Better estimates of porosity are possible with the combination than using either tool or sonic separatel ...y to porosity using charts in a log interpretation chartbook, or calculate porosity from bulk density using this equation:12 KB (1,763 words) - 16:18, 5 April 2022
File:UGM Porosity Fig 3.png (1,366 × 712 (212 KB)) - 18:50, 7 July 2015- #REDIRECT [[Density-neutron log porosity]]42 bytes (4 words) - 19:46, 14 January 2015
File:UGM Porosity Fig 13.png (1,402 × 1,126 (147 KB)) - 18:48, 7 July 2015File:UGM Porosity Fig 2.png (514 × 494 (119 KB)) - 18:50, 7 July 2015File:UGM Porosity Fig 12.png (1,362 × 1,082 (240 KB)) - 18:48, 7 July 2015
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File:Thin-section-analysis fig1.png ...m of nonfracture porosity types in sandstones summarizing the influence of porosity type on reservoir quality. (Modified after Pittman, 1979.)(933 × 870 (15 KB)) - 21:07, 14 January 2014File:Evaluating-fractured-reservoirs fig1.png ...italic></sub>= matrix permeability, ϕ<sub><italic>r</italic></sub>= matrix porosity.(942 × 642 (23 KB)) - 15:00, 14 January 2014File:Porosity fig3.png Idealized carbonate porosity system showing three basic porosity groups: fabric selective, not fabric selective, and fabric selective or not(950 × 757 (24 KB)) - 18:19, 14 January 2014- #REDIRECT [[Density-neutron log porosity]]42 bytes (4 words) - 16:56, 19 December 2014
- #REDIRECT [[Density-neutron log porosity]]42 bytes (4 words) - 19:46, 14 January 2015
- #REDIRECT [[Carbonate porosity formation and preservation]]59 bytes (6 words) - 14:52, 19 December 2014
- #REDIRECT [[Sandstone porosity and permeability prediction]]60 bytes (6 words) - 20:15, 19 May 2014
- #REDIRECT [[Core-to-log transformations and porosity-permeability relationships]]81 bytes (6 words) - 15:37, 19 December 2014
File:Core-log-transformations-and-porosity-permeability-relationships fig2.png Plot showing shitted core porosity, together with bulk density log.(931 × 1,163 (74 KB)) - 18:05, 14 January 2014File:Core-log-transformations-and-porosity-permeability-relationships fig1.png Plot showing unshifted core porosity in spiked format, together with bulk density log.(938 × 1,169 (73 KB)) - 18:05, 14 January 2014File:Core-log-transformations-and-porosity-permeability-relationships fig4.png Air permeability versus helium porosity from North Sea sandstone, conglomerate, and shale.(941 × 890 (53 KB)) - 18:06, 14 January 2014File:Core-log-transformations-and-porosity-permeability-relationships fig5.png Slip-corrected permeability (run under stress) versus helium porosity from McArthur River Field, Alaska.(912 × 1,127 (19 KB)) - 18:06, 14 January 2014File:Core-log-transformations-and-porosity-permeability-relationships fig6.png Permeability versus porosity for various size groups in uniformly cemented nonvuggy rocks. (Taken from L(934 × 903 (17 KB)) - 18:06, 14 January 2014File:Porosity fig2.png Idealized sandstone porosity system showing four basic pore types: intergranular, microporosity, dissolu(936 × 434 (96 KB)) - 18:19, 14 January 2014File:Subsurface-maps fig5.png Porosity-weighted average water saturation map for Layer 2 of a Middle Eastern carbo(889 × 1,444 (71 KB)) - 20:42, 14 January 2014File:Evaluating-diagenetically-complex-reservoirs fig3.png Porosity-permeability semilog crosspiot with samples coded according to grain size,(920 × 1,033 (84 KB)) - 18:46, 14 January 2014- ...t on porosity and permeability, this subsection concentrates on predicting porosity and permeability by considering the effects of diagenesis. * [[Predicting sandstone reservoir porosity]]2 KB (300 words) - 20:29, 5 April 2022
File:Using-and-improving-surface-models-built-by-computer fig24.png Incomplete data for net and porosity due to partial penetrations, truncations, baselaps, and so on create proble(878 × 508 (15 KB)) - 22:33, 13 January 2014File:Evaluating-tight-gas-reservoirs fig3.png Histograms showing (a) average porosity values and (b) average permeability values for cored tight gas reservoir fa(1,964 × 879 (37 KB)) - 18:47, 14 January 2014File:Porosity fig4.png Schematic diagram of packing arrangements for spheres. Porosity values are calculated for cubic (47.6%), orthorhombic (39.5%), rhombohedral(1,895 × 1,463 (110 KB)) - 18:19, 14 January 2014