Patent ID: 6196064
Filing Date: 2001-03-06
Classification: E21B

Abstract:
An in situ underground sample analyzing probe for use in a multilevel borehole monitoring system, the in situ underground sample analyzing probe orientable in a tubular casing coaxially alignable in a borehole, the tubular casing having a first opening for collection of fluid therethrough from the underground external environment and a second opening for release of fluid therethrough into the underground external environment, the in situ underground sample analyzing probe comprising:a probe body with a first opening alignable with said first opening of said tubular casing for collection of fluid therethrough from the underground external environment and a second opening alignable with said second opening of said tubular casing for release of fluid therethrough into the underground external environment;a fluid circulator for circulating fluid within said in situ underground sample analyzing probe collected through said first opening of said in situ underground sample analyzing probe and the first opening of the tubular casing for in situ analysis and for subsequent release of at least a portion of the fluid through said second opening of said in situ underground sample analyzing probe and the second opening of said tubular casing; anda fluid analyzer for analyzing fluid from the underground external environment in communication with said fluid circulator.