Use of nonradioactive complex metal anion as tracer in subterranean reservoirs
US5246861A · kind A · utility
6Cited by
7References
6Claims
0Family size
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Key dates
| Filing date | Jun 5, 1992 |
| Grant date | Sep 21, 1993 |
| Priority date | — |
| Expiry date | Jun 5, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/13
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Complex metal anions such as cobaltic hexacyanide are utilized as nonradioactive tracers in reservoir studies. Sensitive analytical procedures enable detection and measurement of very low tracer levels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.