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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- IIT JAM
- Geology (GG)
Reservoir property of carbonate and sandstone?. which is the best rock as reservoir?
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Sajan sarthak
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Carbonate reservoirs represent a broader range of producibility than do the more common sandstone reservoirs. The most prolific and sustained production rates came from carbonate reservoirs.
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Rahul kumar![best-answer]()
Sandstone reservoir rock properties: The term sand refers to a specific grain with sizes between (62 micrometer - 2 millimetres). The performance of the sandstone as a reservoir rock is described by its combination of porosity and permeability depending on the degree to which the sand dominates its. The favorable texture is depicted by packaging of similar sized grains, not a combination of coarse and fine grained composition. The best sandstone reservoirs are those that are composed mainly of quartz grains of sand size of nearly equal sizes or silica cement, with minimal fragmented particles. Carbonate reservoir rock properties: The most fascinating aspects of carbonate reservoir rocks are their content. Carbonates are usually made of fossils which range from the very small single cell to the larger shelled animals. Most carbonate rocks are deposited at or in very close neighborhood to their site of creation. The "best-sorted" carbonate rocks are Oolites in which encompass grains of the same size and shapes even though Oolites are poorly sorted. Carbonate rocks are generally considered as better reservoir than sandstone. Process like dolomitization, creation of secondary process in carbonate rocks are very dominant and this can lead to very good reservoir properties.