Downhole water analysis

Downhole water chemistry is obtained in situ by addition of a colorimetric reagent to a water sample followed by determining the resulting colour of the sample in a colorimetric analyser. Apparatus for the downhole measurement comprises means to supply the reagent, e.g. an injector for injecting the...

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Bibliographische Detailangaben
Hauptverfasser:	BHAVANI RAGHURAMAN, ANDREW LORIS KURKJIAN, ANTHONY ROBERT HOLMES GOODWIN, GALE H GUSTAVSON, OLIVER C MULLINS, TIMOTHY GARETH JOHN JONES, LI JIANG, PHILIP A RABBITO
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS TESTING
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Beschreibung
Zusammenfassung:	Downhole water chemistry is obtained in situ by addition of a colorimetric reagent to a water sample followed by determining the resulting colour of the sample in a colorimetric analyser. Apparatus for the downhole measurement comprises means to supply the reagent, e.g. an injector for injecting the reagent into a water flow line, and a colorimetric analyser e.g. a spectrometer. Typically the pH or the ion content of the water sample is measured.