Experimental Study of Miscible Fluid Injection in Iranian Artificially Fractured Porous Media

Miscible displacement experiments were performed to study recovery efficiency by gravity drainage in Asmari fractured cores. We used vertically mounted 0.0381 m diameter fractured and non-fractured cores. Kerosene was used as the oil (displaced fluid) and heptane as the displacing fluid. Effects of...

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Bibliographic Details
Published inJournal of the Japan Petroleum Institute Vol. 47; no. 1; pp. 54 - 58
Main Authors Jamshidnezhad, M., Montazer-Rahmati, M. M., Sajjadian, V. A.
Format Journal Article
LanguageEnglish
Published Tokyo The Japan Petroleum Institute 2004
Sekiyu Gakkai
Japan Science and Technology Agency
Subjects
Applied sciences
Cores
Crude oil, natural gas and petroleum products
Energy
Exact sciences and technology
Experiment
Flow rates
Fluid flow
Fractured porous media
Fuels
Injection
Mass transfer
Matrix-fracture mass transfer
Miscible displacement
Oil recovery
Porous media
Heptane
Kerosene
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Summary:Miscible displacement experiments were performed to study recovery efficiency by gravity drainage in Asmari fractured cores. We used vertically mounted 0.0381 m diameter fractured and non-fractured cores. Kerosene was used as the oil (displaced fluid) and heptane as the displacing fluid. Effects of the fracture, displacement rate and matrix-fracture mass transfer on the oil recovery were studied. Experimental results showed that for displacement rates below the critical flow rate, a significant amount of the displacing fluid flows from fracture to the matrix and a significant amount of the matrix oil flows from matrix to fracture. Thus, for displacement rates below critical flow rate, miscible injection in fractured porous media could be very efficient.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 14
ISSN:1346-8804
1349-273X
DOI:10.1627/jpi.47.54