Heavy crude and tar sands: Hydrocarbons for the 21st century. Volume 3, Recovery processes
Conference
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OSTI ID:10147841
- ed.; Geological Survey, Washington, DC (United States)
The 53 reports in Volume 3 deal with recovery processes, most of which are familiar to reservoir engineers but all of which may be improved in various ways. Enhancement of these known processes or additional developments could be a potential source for additional reserves. This is of particular importance in the case of heavy and extra heavy oils, with their large, complex molecules. Steam injection, in the form of steam stimulation and steam flooding, is the presently most effective method for improving recovery of heavy oils. This is accomplished basically through viscosity reduction but the processes have certain deleterious effects. Overcoming these reservoir problems and improving the efficiency of steaming is the objective of these reports. In situ combustion, the third most widely- applied of the thermal methods, has not proved to be as effective in practice as in theory. It is for this reason that the technology is the object of 11 reports seeking to improve in situ combustion recovery. One means to enhance these major thermal recovery technologies is by combining them with various additives, such as diluents, foaming agents, and caustics. Yet another means of providing reservoir heat is by electric and electromagnetic heating methods. This category also includes radio frequency heating. Eight papers were dedicated to this important upcoming technology. Another, non-electrical improved recovery technology involves microbiology, the introduction of bacteria into the formation which, when stimulated with nutrients, grow to plug highly permeable zones. Individual papers have been processed separately for inclusion in the Energy Science and Technology Database.
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- FG22-91BC14800
- OSTI ID:
- 10147841
- Report Number(s):
- CONF-9108240--Vol.3; ON: UN93012090; ISBN 0-7732-0635-3
- Country of Publication:
- Venezuela
- Language:
- English
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