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| Project Number | 114 |
| Date of Summary | March 31, 1990 |
| Subject | Field Evaluation of Oil Spill Chemical Additives |
| Performing Activity | Conservation and Protection Agency, Environment Canada |
| Principal Investigator | Mr. Merv F. Fingas |
| Contracting Agency | Minerals Management Service |
| Estimated Completion | Complete |
| Description | The Minerals Management Service and the Conservation and Protection Agency, Environment Canada, have evaluated two new oil spill chemical additives during a series of intentional oil spills off the Canadian coast during September 1987. One chemical agent modified the visco-elastic properties of the spilled oil to enhance its recoverability using conventional mechanical techniques. The second chemical agent inhibited the formation of oil-water emulsions which are not readily captured using existing recovery techniques. Both chemical agents were applied to several small spills and their effects on oil properties measured. |
| Progress | Complete. Tests were conducted in three phases. The first phase was a laboratory analysis conducted at the Environmental Emergencies Division Laboratories in Ottawa, Ontario. The second phase, tank testing, was conducted at the Esso Resources Ltd. test tank in Calgary, Alberta. The third phase, at-sea evaluations were conducted off Nova Scotia. Analysis indicates that slick spreading rates were significantly retarded using dosages of the visco-elastic agent in concentrations of less than 9,000 ppm by weight. Emulsion formation in high sea states was retarded compared to untreated oil slicks. Proper use of either chemical additive can materially increase recovery rates using conventional equipment. |
Reports |
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AA (72 pages)
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Field Test of Two Spill Treating Agents, Final Report, Seakem Oceanography Ltd., January, 1988. |
| AB (98 pages)
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Draft Operational Protocol for the Elastol and Demoussifier Field Trials, Environmental Emergencies Technology Division (EETD), Environment Canada and Seakem Oceanography Ltd., August 24, 1987. |
| AC (124 pages)
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Bobra, M. A., Kawamura, P. I., Fingas, M., Velicogna, D., Laboratory Analysis and Test Tank Evaluation of Elastol, Environmental Emergencies Manuscript Report No. EE-94, Environment Canada, Ottawa, Ontario, December 1987. |
| AD (50 pages)
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Bobra, M. A., Kawamura, P. I., Fingas, M., Velicogna, D., Mesoscale Application and Testing of an Oil Spill Demulsifying Agent and Elastol, Environmental Emergencies Manuscript Report Number EE-105, Environment Canada, Ottawa, Ontario, September, 1987. |
| AE (25 pages)
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Bobra, M. A., Kawamura, P. I., Laboratory and Mesoscale Testing of Elastol and Brand M Demoussifier, Proceedings of the Eleventh Arctic and Marine Oil Spill Program Technical Seminar, Vancouver, British Columbia, Canada, June 7-9, 1988. |
| AF (37 pages)
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Laun, H. M., Hingman, R., Laboratory Tests of Elastol, Proceedings of the Eleventh Arctic and Marine Oil Spill Program Technical Seminar, Vancouver, British Columbia, Canada, June 7-9, 1988. |
| AG (11 pages)
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Gershey, R., Batstone, B., Field Tests of Elastol and Demoussifier, Proceedings of the Eleventh Arctic and Marine Oil Spill Program Technical Seminar, Vancouver, British Columbia, Canada, June 7-9, 1988. |
| AH (117 pages)
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Bobra, M. A., Kawamura, P. I., Fingas, M., Velicogna, D., Laboratory and Tank Test Evaluation of Elastol, Environment Canada, Ottawa, Ontario, May 1987. |
| AI (52 pages)
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Bobra, M. A., Kawamura, P. I., Fingas, M., Velicogna, D., Mesoscale Application and Testing of an Oil Spill Demulsifying Agent and Elastol, Environmental Emergencies Manuscript Report Number EE-105, Environment Canada, Ottawa, Ontario, June 1988. |
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