System And Method For Down Hole High Concentration Gas Sensing

Abstract: disclosed herein are methods and systems for identifying target analytes such as hs and coduring downhole fluid analysis. the systems may include a fluid sampling tool comprising at least one probe to fluidly connect the fluid sampling tool to a formation in a wellbore, at least one passageway that passes through the at least one probe and into the fluid sampling tool, a sensor section comprising a measurement region in fluid communication with the at least one passageway, and a thin film deposited on the measurement region, wherein the thin film changes at least one of its physical properties upon exposure to the target analyte found in the at least one passageway. the methods may include disposing the fluid sampling tool into a wellbore, drawing a formation fluid from a sampling zone, and passing the fluid sample over the thin film deposited on a measurement region.

Inventor(s): Christopher Michael Jones, Alexander Bieber, James Martin Price, Wael Soliman Mohamed Elhawary

CPC Classification: E21B49/0875 ({determining specific fluid parameters})

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