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Title: Field Deployment of a Portable Optical Spectrometer for Methane Fugitive Emissions Monitoring on Oil and Gas Well Pads

Abstract

We present field deployment results of a portable optical absorption spectrometer for localization and quantification of fugitive methane (CH4) emissions. Our near-infrared sensor targets the 2$$ν_3$$ R(4) CH4 transition at 6057.1 cm−1 (1651 nm) via line-scanned tunable diode-laser absorption spectroscopy (TDLAS), with Allan deviation analysis yielding a normalized 2.0 ppmv∙Hz−1/2 sensitivity (4.5 × 10−6 Hz−1/2 noise-equivalent absorption) over 5 cm open-path length. Controlled CH4 leak experiments are performed at the METEC CSU engineering facility, where concurrent deployment of our TDLAS and a customized volatile organic compound (VOC) sensor demonstrates good linear correlation (R2 = 0.74) over high-flow (>60 SCFH) CH4 releases spanning 4.4 h. In conjunction with simultaneous wind velocity measurements, the leak angle-of-arrival (AOA) is ascertained via correlation of CH4 concentration and wind angle, demonstrating the efficacy of single-sensor line-of-sight (LOS) determination of leak sources. Finally, source magnitude estimation based on a Gaussian plume model is demonstrated, with good correspondence (R2 = 0.74) between calculated and measured release rates.

Authors:
ORCiD logo; ; ; ORCiD logo; ; ;
Publication Date:
Research Org.:
International Business Machines Corp., Armonk, NY (United States)
Sponsoring Org.:
USDOE Advanced Research Projects Agency - Energy (ARPA-E)
OSTI Identifier:
1526648
Alternate Identifier(s):
OSTI ID: 1613644
Grant/Contract Number:  
AR0000540
Resource Type:
Published Article
Journal Name:
Sensors
Additional Journal Information:
Journal Name: Sensors Journal Volume: 19 Journal Issue: 12; Journal ID: ISSN 1424-8220
Publisher:
MDPI AG
Country of Publication:
Switzerland
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 47 OTHER INSTRUMENTATION; 42 ENGINEERING; chemistry; engineering; instruments & instrumentation; absorption spectroscopy; infrared; diode laser; methane; natural gas; fugitive emissions; source estimation; angle-of-arrival; Gaussian plume model

Citation Formats

Zhang, Eric J., Teng, Chu C., van Kessel, Theodore G., Klein, Levente, Muralidhar, Ramachandran, Wysocki, Gerard, and Green, William M. J. Field Deployment of a Portable Optical Spectrometer for Methane Fugitive Emissions Monitoring on Oil and Gas Well Pads. Switzerland: N. p., 2019. Web. doi:10.3390/s19122707.
Zhang, Eric J., Teng, Chu C., van Kessel, Theodore G., Klein, Levente, Muralidhar, Ramachandran, Wysocki, Gerard, & Green, William M. J. Field Deployment of a Portable Optical Spectrometer for Methane Fugitive Emissions Monitoring on Oil and Gas Well Pads. Switzerland. https://doi.org/10.3390/s19122707
Zhang, Eric J., Teng, Chu C., van Kessel, Theodore G., Klein, Levente, Muralidhar, Ramachandran, Wysocki, Gerard, and Green, William M. J. Sun . "Field Deployment of a Portable Optical Spectrometer for Methane Fugitive Emissions Monitoring on Oil and Gas Well Pads". Switzerland. https://doi.org/10.3390/s19122707.
@article{osti_1526648,
title = {Field Deployment of a Portable Optical Spectrometer for Methane Fugitive Emissions Monitoring on Oil and Gas Well Pads},
author = {Zhang, Eric J. and Teng, Chu C. and van Kessel, Theodore G. and Klein, Levente and Muralidhar, Ramachandran and Wysocki, Gerard and Green, William M. J.},
abstractNote = {We present field deployment results of a portable optical absorption spectrometer for localization and quantification of fugitive methane (CH4) emissions. Our near-infrared sensor targets the 2$ν_3$ R(4) CH4 transition at 6057.1 cm−1 (1651 nm) via line-scanned tunable diode-laser absorption spectroscopy (TDLAS), with Allan deviation analysis yielding a normalized 2.0 ppmv∙Hz−1/2 sensitivity (4.5 × 10−6 Hz−1/2 noise-equivalent absorption) over 5 cm open-path length. Controlled CH4 leak experiments are performed at the METEC CSU engineering facility, where concurrent deployment of our TDLAS and a customized volatile organic compound (VOC) sensor demonstrates good linear correlation (R2 = 0.74) over high-flow (>60 SCFH) CH4 releases spanning 4.4 h. In conjunction with simultaneous wind velocity measurements, the leak angle-of-arrival (AOA) is ascertained via correlation of CH4 concentration and wind angle, demonstrating the efficacy of single-sensor line-of-sight (LOS) determination of leak sources. Finally, source magnitude estimation based on a Gaussian plume model is demonstrated, with good correspondence (R2 = 0.74) between calculated and measured release rates.},
doi = {10.3390/s19122707},
journal = {Sensors},
number = 12,
volume = 19,
place = {Switzerland},
year = {Sun Jun 16 00:00:00 EDT 2019},
month = {Sun Jun 16 00:00:00 EDT 2019}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.3390/s19122707

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Cited by: 11 works
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