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Keywords: stability
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Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Heavy and Extra Heavy Oil Conference, October 19–20, 2016
Paper Number: SPE-181160-MS
... surfactants mixtures is oriented by its capacity to stabilize foam in presence of residual oil saturation. The impact of oil on foam is a subject that matters to successfully implement a steam foam process. Ranking of formulations can be obtained provided that foaming performances of surfactant...
Proceedings Papers

Paper presented at the SPE Heavy and Extra Heavy Oil Conference: Latin America, September 24–26, 2014
Paper Number: SPE-171079-MS
... necessary to include; – Laboratory studies to characterize heavy oil, water and gas properties and the interactions between the different fluids present, which allow evaluating the generation and stability of emulsions, hidrocarbons stability, and corrosion index of water, for example. – Evaluation...
Proceedings Papers

Paper presented at the SPE Heavy and Extra Heavy Oil Conference: Latin America, September 24–26, 2014
Paper Number: SPE-171076-MS
... significant oil upgrading. However, solvent selection is the key factor which determines the performance of ES-SAGD due to the asphaltene-solvent interaction. The change in asphaltene stability with the solvent type can have several drawbacks during ES-SAGD. Stable emulsion formation is one of these problems...
Proceedings Papers

Paper presented at the SPE Heavy and Extra Heavy Oil Conference: Latin America, September 24–26, 2014
Paper Number: SPE-171140-MS
... appropriate additives to prevent emulsion formation; that is, the mechanical energy and low pH of the stimulation fluid can create an ideal environment for generating unwanted viscous emulsions (Daaou and Bendedouch, 2012). Even if the water-in-crude oil (W/O) emulsions are stabilized by natural...

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