Apparent Viscosity Measurements of Surfactant Foam in Porous Media
Abstract/Contents
- Abstract
- The apparent viscosity of surfactant foam in a sand pack model was measured at reservoir flow velocities. The effects of foam quality, surfactant concentration, and flow rate were investigated.Ottawa sand, 120 to 140 mesh, was packed into a 1 by 24 inch tube. Porosity was 38%, and permeability ranged from 5 to 8 darcies, Foam of a known quality and flow rate was continuously injected into the sand pack until a steady state condition was reached. Pressure drop was measured across three different segments of the sand pack. A system black pressure of 50 psig was applied to minimize changing foam quality caused by gas expansion. The surfactant used in this study was Suntech IV. All measurements were made at room temperature.Results show that the apparent viscosity of surfactant foam ranges from 50 to 70 centipoise at reservoir flow velocities. Increasing the foam quality corresponded to a small increase in the apparent viscosity of foam. Changes in surfactant concentration from 0.005 to 0.05 wt% caused a rapid increase in apparent viscosity. Changes in concentration above 0.05 wt% had little effect on apparent viscosity. Increasing the flow rate resulted in a reduction of the apparent viscosity of foam. This non-Newtonian flow behavior has been widely reported in the literature. The apparent viscosity of foam in porous media was significantly effected by flow rate history.
Description
| Type of resource | text |
|---|---|
| Date created | 1985 |
Creators/Contributors
| Author | Treinen, Richard J. |
|---|---|
| Primary advisor | Brigham, William E. |
| Primary advisor | Castanier, Louis M. |
| Degree granting institution | Stanford University, Department of Petroleum Engineering |
Subjects
| Subject | School of Earth Energy & Environmental Sciences |
|---|---|
| Genre | Thesis |
Bibliographic information
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Preferred citation
- Preferred Citation
- Treinen, Richard J. (1985). Apparent Viscosity Measurements of Surfactant Foam in Porous Media. Stanford Digital Repository. Available at: https://purl.stanford.edu/hs308rc3995
Collection
Master's Theses, Doerr School of Sustainability
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