Method for determining the concentration of a plurality of compounds in a drilling fluid

The invention relates to a method that includes extracting a gaseous fraction of each compound, measuring an information representative of the gaseous fraction of each compound, and calculating for each first compound of a first group of compounds the concentration of said first compound in the dril...

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Bibliographische Detailangaben
1. Verfasser:	LESSI, JACQUES
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:	The invention relates to a method that includes extracting a gaseous fraction of each compound, measuring an information representative of the gaseous fraction of each compound, and calculating for each first compound of a first group of compounds the concentration of said first compound in the drilling fluid based on the information measured for the gaseous fraction of the first compound and based on a first correction factor (P). The method also includes calculating for each second compound of a second group of compounds the concentration of said second compound in the drilling fluid based on the information measured for the gaseous fraction of the second compound and based on a second correction factor (p) obtained from a calculation equation relating the second correction factor (p) to a plurality of independent parameters of the second compound determined from the first correction factors and to a thermodynamic characteristic (F) of the second compound.