tech details

Field Deployable Method for Sensing Wet Gases

Opportunity

Research is currently active on the patented technology “Field Deployable Method for Sensing Wet Gases.” The technology is available for licensing and/or further collaborative research from the U.S. Department of Energy’s National Energy Technology Laboratory.


Overview

Laser gas sensing is used for detecting important gases like CO2, CH4, NH3, and HCl. These sensors perform well in a controlled laboratory or manufacturing environments, but the use of laser gas sensing in the field for environmental monitoring, is challenging. Problems such as moisture condensation can create inconsistency and irregularity in any form of measurement, particularly when laser gas sensors are used. This innovation was developed to allow use of the laser gas sensor for unattended monitoring of gases in a humid environment, such as the headspace of a groundwater monitoring well, without jeopardizing the measurement integrity or requiring the substantial power and maintenance demands inherent in a vapor membrane drying system.


Significance

  • Provides clean, low power drying method deployable in wellbores

  • Adapts a drying method for discontinuous operation with check-valve

  • Allows unattended dry measurement of wet process gas

  • Remains robust to atmospheric variation


Applications

  • Unattended measurement of natural gas components at monitoring wells

  • Unattended measurement of sub-surface carbon dioxide


Related Patents

U.S. Provisional Patent Application number 62/111,134 filed February 3, 2015, titled, “Field deployable method for sensing wet gases.”

Inventor: Daniel J. Soeder

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