Improved techniques for fluid diversion in oil recovery. Quarterly technical progress report, October 1, 1993--December 31, 1993
This three-year project has two general objectives. The first objective is to compare the effectiveness of gels in fluid diversion with those of other types of processes. Several different types of fluid-diversion processes will be compared, including those using gels, foams, emulsions, and particulates. The ultimate goals of these comparisons are to (1) establish which of these processes are most effective in a given application, and (2) determine whether aspects of one process can be combined with those of other processes to improve performance. Analyses will be performed to assess where the various diverting agents will be most effective (e.g., in fractured vs. unfractured wells, deep vs. near-wellbore applications, reservoirs with vs. without crossflow, or injection wells vs. production wells). Experiments will be performed to verify which materials are the most effective in entering and blocking high-permeability zones. Another objective of the project is to identify the mechanisms by which materials (particularly gels) selectively reduce permeability to water more than to oil. In addition to establishing why this occurs, our research will attempt to identify materials and conditions that maximize this phenomenon.
- Research Organization:
- New Mexico Petroleum Recovery Research Center, Socorro, NM (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC22-92BC14880
- OSTI ID:
- 10138059
- Report Number(s):
- DOE/BC/14880-6; PRRC-94-1; ON: DE94009222; TRN: 94:004293
- Resource Relation:
- Other Information: PBD: 1 Jan 1994
- Country of Publication:
- United States
- Language:
- English
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