Method and apparatus for detecting naphthenic acids
US7750302B2 · kind B2 · utility
1Cited by
9References
12Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 9, 2008 |
| Grant date | Jul 6, 2010 |
| Priority date | — |
| Expiry date | Sep 9, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B49/08
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method and apparatus for determining the concentration of organic acids in formation fluids is provided including pumps for pumping fluids from a subterranean formation into the body of a downhole tool and sources for illuminating the flow with infrared radiation to obtain the infrared absorption or a related parameter at one or more wavelengths, and processors for converting the measured absorption into the concentration of the organic acids, using for example a multi-value calibration matrix which relates IR absorption spectral values to concentration measurement under downhole conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.