Determining fluid chemistry of formation fluid by downhole...

Chemistry: analytical and immunological testing – Geochemical – geological – or geothermal exploration – In situ testing

Reexamination Certificate

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C436S164000, C436S165000, C436S166000

Reexamination Certificate

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10667639

ABSTRACT:
A method for analyzing formation fluid in earth formation surrounding a borehole includes storing analytical reagent in a reagent container in a fluids analyzer in a formation tester and moving the formation tester, including the reagent, downhole. Reagent from the reagent container is injected into formation fluid in the flow-line to make a mixture of formation fluid and reagent. The mixture is moved through a spectral analyzer cell in the fluids analyzer to produce a time-series of optical density measurements at a plurality of wavelengths. A characteristic of formation fluid is determined by spectral analysis of the time-series of optical density measurements.

REFERENCES:
patent: 5246862 (1993-09-01), Grey et al.
patent: 5597042 (1997-01-01), Tubel et al.
patent: 5783740 (1998-07-01), Tawarayama et al.
patent: 6058773 (2000-05-01), Zimmerman et al.
patent: 6176323 (2001-01-01), Weirich et al.
patent: 6564866 (2003-05-01), Clark et al.
patent: 6588266 (2003-07-01), Tubel et al.
patent: 0461321 (1991-12-01), None
patent: 2362462 (2001-11-01), None
patent: 99/00575 (1999-01-01), None
patent: 01/73424 (2001-10-01), None
Andrews, R. J. et al.Quantifying Contamination Using Color of Crude and Condensate. Oilfield Review, pp. 24-43 (2001).
Bates, R. G.Determination of pH: Theory and Practice. Chapter 6, pp. 131-165 (1964).
Ruzicka, J. et al.Flow Injection Analysis. Chapter 1, pp. 1-9 (1981).
Vogel, A. I.A Text-Book of Quantitative Inorganic Analysis. 3rd Ed., Chapters 10-12, pp. 782-853 (1961).
Ayan et al., “Characterizing Permeability With Formation Testers”, Oilfield Review—Autumn 2001, vol. 13, No. 3.

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