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Science - Petroleum Eng/Sci
Additional field(s): Geology | | English term or phrase: porosity | Definition from Canadian Association Petroleum Producers :
The volume of spaces within rock that might contain oil and gas (like the amount of water a sponge can hold); the open or void space within rock – usually expressed as a percentage of the total rock volume. Thus porosity measures the capacity of the rock to hold natural gas, crude oil or water.
Example sentence(s): - The porosity profile in any individual well depends on the maximum effective stress, which is generally determined by the maximum burial depth. U.S. Geological Survey
- Carbonate reservoirs have lower values of median and maximum porosity for a given burial depth, probably because of greater chemical reactivity of carbonate minerals relative to quartz and the resulting lower resistance to chemical compaction and associated cementation. GeoScienceWorld
- Porosity and permeability reduction due to burial and compaction acts differently on different sediment types. Sandstone is more resistant to porosity and perm reduction due to compaction, whereas shales and siltstone are generally more prone to perm reduction. All Experts
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المسامية هي مجموعة الفجوات (متصلة أو لا) في صخر (جيولوجيا) أو في مادة أخرى يمكن ان يحوي مائعا (سائل أو غاز)
المسامية هي أيضا قيمة عددية التي تعبر عن هذه الفجوات. حجم الفراع قسمة حجم المادة الاجمالي يعبر عنه بالرمز Φ.
نميز نوعين من المسامية: مسامية الشقوق ومساميات الفجوات.
الشقوق هي مجالات فارغة حيث يكون طول بعدين أعلى بشكل بين من البعد الثالث. مسامية الشقوق مرتبطة ميكانيكية أو حرارية |
| Selected response from:
Osama Shahin
Egypt
| Grading comment | 4 KudoZ points were awarded for this answer |
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| Summary of translations provided | | 5 +2 | المسامية | |
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