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Keywords: ift
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Proceedings Papers
Numerical Studies of Oil Production from Initially Oil-Wet Fracture Blocks by Surfactant Brine Imbibition
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE International Improved Oil Recovery Conference in Asia Pacific, December 5–6, 2005
Paper Number: SPE-97687-MS
... Abstract Little oil can be produced from fractured oil-wet reservoirs by water flooding. Introduction of surfactant into the brine phase can improve the oil production by lowering the oil-water interfacial tension (IFT) and by altering the wettability of the matrix block to water-wet. A 3-D...
Proceedings Papers
Analysis of Oil Recovery by Spontaneous Imbibition of Surfactant Solution
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE International Improved Oil Recovery Conference in Asia Pacific, October 20–21, 2003
Paper Number: SPE-84866-MS
... Abstract Depending on rock and oil type, lowered interfacial tension (IFT) by the addition of surfactant to brine may contribute to capillary imbibition recovery with the support of gravity drainage in naturally fractured reservoirs (NFR). This paper aims at identifying and analyzing...
Proceedings Papers
Production of Biosurfactant and Biopolymer from Malaysian Oil Fields Isolated Microorganisms
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Asia Pacific Improved Oil Recovery Conference, October 25–26, 1999
Paper Number: SPE-57315-MS
... (IFT) of the supernatant. These two strains obtained the IFT reduction in both sucrose and glucose medium for more than 20 dynes/cm. Strain S19 and S12A can reduce the surface activity of growth medium only in sucrose and glucose medium respectively. Strain S19 can reduce the IFT of sucrose growth...
Proceedings Papers
New Experimental Approaches in Minimum Miscibility Pressure (MMP) Determination
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Asia Pacific Improved Oil Recovery Conference, October 25–26, 1999
Paper Number: SPE-57286-MS
... and composition of injection gas. The MMP has been defined as the minimum pressure at which the injected gas and the oil become miscible with each other. Approaching miscibility, the interfacial tension (IFT) between phases decreases resulting in decreased residual oil saturation, hence, higher oil recovery...
