Correlation between roughness and porosity in rocks

The porosity of rocks is a very important parameter in the determination of the performance of oil wells. Optical methods allow us to study surface roughness and different materials that have surface properties with random characteristics. Therefore, we have extended these applications to porosity a...

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Bibliographic Details
Published in:Optics and laser technology 1996-02, Vol.28 (1), p.21-23
Main Authors: Rebollo, M.A., Hogert, E.N., Albano, J., Raffo, C.A., Gaggioli, N.G.
Format: Article
Language:English
Subjects:
Applied sciences
Completion equipments and methods. Casing. Cementing. Tests and measurements in wells
Crude oil, natural gas and petroleum products
Drilling. Casing. Preparing wells for production
Energy
Exact sciences and technology
Fuels
non-destructive testing
porosity
Prospecting and production of crude oil, natural gas, oil shales and tar sands
speckle
speckle correlation
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Summary:The porosity of rocks is a very important parameter in the determination of the performance of oil wells. Optical methods allow us to study surface roughness and different materials that have surface properties with random characteristics. Therefore, we have extended these applications to porosity analysis. In our method, we have used the speckle produced by the scattered light from a porous rock, illuminated by a laser beam, and found a linear relationship between the decorrelation of the speckle intensity distribution and the porosity magnitude. In this paper we present the results for samples extracted from oil wells in Argentina.
ISSN:0030-3992
1879-2545
DOI:10.1016/0030-3992(95)00051-8