Patent ID: 7032444
Filing Date: 2006-04-25
Classification: G01N

Abstract:
1. An extractor module for extracting samples in gas phase of compounds present in an underground working liquid, the extractor module comprising: a receptacle for said liquid, associated with means for stirring the liquid in the receptacle in order to extract the compounds in the gas phase from the liquid, and connected to the receptacle when it is operating to extract gas; at least one liquid inlet duct for admitting liquid into the receptacle; at least one liquid evacuation duct for evacuating liquid from the receptacle; at least one auxiliary gas admission duct for admitting auxiliary gas into the receptacle; and at least one outlet duct for delivering auxiliary gas and gas extracted from the liquid, for connection to gas reception means, wherein the auxiliary gas admission duct and the liquid evacuation duct include at least one common segment for passing the liquid and the auxiliary gas, means for preventing the auxiliary gas from passing being provided in the liquid evacuation duct downstream from said common segment in the liquid-passing direction.