Porosity - Revision history

Jmdonev: 1 revision imported

2026-06-04T17:17:00Z

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Energy>Jmdonev at 16:43, 27 May 2026

2026-05-27T16:43:52Z

← Older revision		Revision as of 16:43, 27 May 2026
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	[[Category:Done ~~2018~~-08-03]]		[[Category:Done 2026-06-01]]
	[[File:640px-Sponge-viscose.jpg\|400px\|framed\|right\|Figure 1. A sponge is an example of a porous material as it has a large number of empty spaces compared to its volume.<ref>Wikimedia Commons. (May 21, 2015). ''Sponge-viscose'' [Online]. Available: http://commons.wikimedia.org/wiki/File:Sponge-viscose.jpg#/media/File:Sponge-viscose.jpg</ref>]]		[[File:640px-Sponge-viscose.jpg\|400px\|framed\|right\|Figure 1. A sponge is an example of a porous material as it has a large number of empty spaces compared to its volume.<ref>Wikimedia Commons. (May 21, 2015). ''Sponge-viscose'' [Online]. Available: http://commons.wikimedia.org/wiki/File:Sponge-viscose.jpg#/media/File:Sponge-viscose.jpg</ref> These empty spaces hold fluid.]]
	<onlyinclude>'''Porosity''' is the property of an object that expresses the total volume of empty or '''pore space''' in the material. For rocks that contain [[hydrocarbon resource]]s, porosity measures the percentage pore space occupies in a rock.</onlyinclude><ref>Stephen Marshak. (May 21, 2015). ''Earth: Portrait of a Planet'', 3rd ed. New York, NY, U.S.A:W.W. Norton & Company, 2008</ref> A porous rock contains a large number of tiny spaces, which allows it to hold [[oil]], [[natural gas]] or even underground water!<ref name="RE1">Geomore: Introduction to Petroleum Geology. (May 20, 2015). ''Porosity and Permeability'' [Online]. Available: http://www.geomore.com/porosity-and-permeability-2/</ref>		<onlyinclude>'''Porosity''' is the property of an object that expresses the total volume of empty or '''pore space''' in the material. For rocks that contain [[hydrocarbon resource]]s, porosity measures the percentage pore space occupies in a rock.</onlyinclude><ref>Stephen Marshak. (May 21, 2015). ''Earth: Portrait of a Planet'', 3rd ed. New York, NY, U.S.A:W.W. Norton & Company, 2008</ref> A porous rock contains a large number of tiny spaces, which allows it to hold [[oil]], [[natural gas]] or even underground water!<ref name="RE1">Geomore: Introduction to Petroleum Geology. (May 20, 2015). ''Porosity and Permeability'' [Online]. Available: http://www.geomore.com/porosity-and-permeability-2/</ref>

Jmdonev: 1 revision imported

2018-09-03T22:23:35Z

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energy>Jmdonev at 21:45, 12 August 2018

2018-08-12T21:45:54Z

← Older revision		Revision as of 21:45, 12 August 2018
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	[[Category:Done ~~2015~~-07-24]]		[[Category:Done 2018-08-03]]
	[[File:640px-Sponge-viscose.jpg\|400px\|framed\|right\|Figure 1. A sponge is an example of a porous material as it has a large number of empty spaces compared to its volume.<ref>Wikimedia Commons. (May 21, 2015). ''Sponge-viscose'' [Online]. Available: http://commons.wikimedia.org/wiki/File:Sponge-viscose.jpg#/media/File:Sponge-viscose.jpg</ref>]]		[[File:640px-Sponge-viscose.jpg\|400px\|framed\|right\|Figure 1. A sponge is an example of a porous material as it has a large number of empty spaces compared to its volume.<ref>Wikimedia Commons. (May 21, 2015). ''Sponge-viscose'' [Online]. Available: http://commons.wikimedia.org/wiki/File:Sponge-viscose.jpg#/media/File:Sponge-viscose.jpg</ref>]]
	<onlyinclude>'''Porosity''' is the property of an object that expresses the total volume of empty or '''pore space''' in the material. For rocks that contain [[hydrocarbon resource]]s ~~this is a measure of~~ the percentage ~~of the total rock which is occupied by~~ pore space.</onlyinclude><ref>Stephen Marshak. (May 21, 2015). ''Earth: Portrait of a Planet'', 3rd ed. New York, NY, U.S.A:W.W. Norton & Company, 2008</ref> A porous rock contains a large number of tiny spaces in it ~~that are able~~ to hold [[oil]] or [[natural gas]] (or even underground water).<ref name="RE1">Geomore: Introduction to Petroleum Geology. (May 20, 2015). ''Porosity and Permeability'' [Online]. Available: http://www.geomore.com/porosity-and-permeability-2/</ref>		<onlyinclude>'''Porosity''' is the property of an object that expresses the total volume of empty or '''pore space''' in the material. For rocks that contain [[hydrocarbon resource]]s, porosity measures the percentage pore space occupies in a rock.</onlyinclude><ref>Stephen Marshak. (May 21, 2015). ''Earth: Portrait of a Planet'', 3rd ed. New York, NY, U.S.A:W.W. Norton & Company, 2008</ref> A porous rock contains a large number of tiny spaces, which allows it to hold [[oil]], [[natural gas]] or even underground water!<ref name="RE1">Geomore: Introduction to Petroleum Geology. (May 20, 2015). ''Porosity and Permeability'' [Online]. Available: http://www.geomore.com/porosity-and-permeability-2/</ref>

	If an object is porous, it has a great ability to hold fluid within itself. Sponges, wood, rubber, and some ~~rocks~~ are porous materials ~~whereas~~ marble, glass, and some ~~plastics~~ are not porous and contain very few open pockets of air (or '''pores''').<ref>FreightWatch Technology. (May 25, 2015). ''What materials are porous'' [Online]. Available: http://www.freightsecurity.net/faq_en/what-materials-are-porous</ref>		If an object is porous, it has a great ability to hold [[fluid]] within itself. Sponges, [[wood]], rubber, and some [[rock]]s are porous materials. In contrast, marble, [[glass]], and some [[plastic]]s are not porous and contain very few open pockets of air (or '''pores''').<ref>FreightWatch Technology. (May 25, 2015). ''What materials are porous'' [Online]. Available: http://www.freightsecurity.net/faq_en/what-materials-are-porous</ref>

	~~Porosity~~ is an important characteristic ~~for a rock to have if it is to make for a good rock~~ for an [[oil well]]. Generally speaking, 8% is the minimum porosity required to make a good oil well, although some wells are completed with less porosity. When oil or gas is exposed to a porous rock, ~~they will seep into~~ the holes in the rock and be contained between the grains. ~~Because of~~ this, there is actually no "ocean of oil" beneath ~~ground, rather~~ it is trapped within porous rocks such as sandstone.<ref name="RE1"/> [[Oil and gas reservoir\|Reservoir]] rocks all have a relatively high porosity.		A rock with good porosity is an important characteristic for an [[oil well]]. Generally speaking, 8% is the minimum porosity required to make a good oil well, although some wells are completed with less porosity. When oil or gas is exposed to a porous rock, it seeps through the holes in the rock and becomes contained between the grains. Due to this, there is actually no "ocean of oil" beneath ground—rather it is trapped within porous rocks such as sandstone.<ref name="RE1"/> [[Oil and gas reservoir\|Reservoir]] rocks all have a relatively high porosity.

			==For Further Reading==
			*[[Oil]]
			*[[Natural gas]]
			*[[Fossil fuel]]
			*[[Oil and gas traps]]
			*[[Oil well]]
			*[[Oil and gas reservoir]]
			*Or explore a [[Special:Random\|random page]]

	==References==		==References==
	{{reflist}}		{{reflist}}
	[[Category:Uploaded]]		[[Category:Uploaded]]

J.williams: 1 revision imported

2015-08-26T21:31:32Z

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J.williams at 16:58, 12 August 2015

2015-08-12T16:58:36Z

New page

[[Category:Done 2015-07-24]]
[[File:640px-Sponge-viscose.jpg|400px|framed|right|Figure 1. A sponge is an example of a porous material as it has a large number of empty spaces compared to its volume.<ref>Wikimedia Commons. (May 21, 2015). ''Sponge-viscose'' [Online]. Available: http://commons.wikimedia.org/wiki/File:Sponge-viscose.jpg#/media/File:Sponge-viscose.jpg</ref>]]
<onlyinclude>'''Porosity''' is the property of an object that expresses the total volume of empty or '''pore space''' in the material. For rocks that contain [[hydrocarbon resource]]s this is a measure of the percentage of the total rock which is occupied by pore space.</onlyinclude><ref>Stephen Marshak. (May 21, 2015). ''Earth: Portrait of a Planet'', 3rd ed. New York, NY, U.S.A:W.W. Norton & Company, 2008</ref> A porous rock contains a large number of tiny spaces in it that are able to hold [[oil]] or [[natural gas]] (or even underground water).<ref name="RE1">Geomore: Introduction to Petroleum Geology. (May 20, 2015). ''Porosity and Permeability'' [Online]. Available: http://www.geomore.com/porosity-and-permeability-2/</ref>

If an object is porous, it has a great ability to hold fluid within itself. Sponges, wood, rubber, and some rocks are porous materials whereas marble, glass, and some plastics are not porous and contain very few open pockets of air (or '''pores''').<ref>FreightWatch Technology. (May 25, 2015). ''What materials are porous'' [Online]. Available: http://www.freightsecurity.net/faq_en/what-materials-are-porous</ref>

Porosity is an important characteristic for a rock to have if it is to make for a good rock for an [[oil well]]. Generally speaking, 8% is the minimum porosity required to make a good oil well, although some wells are completed with less porosity. When oil or gas is exposed to a porous rock, they will seep into the holes in the rock and be contained between the grains. Because of this, there is actually no "ocean of oil" beneath ground, rather it is trapped within porous rocks such as sandstone.<ref name="RE1"/> [[Oil and gas reservoir|Reservoir]] rocks all have a relatively high porosity.

==References==
{{reflist}}
[[Category:Uploaded]]