METEC Publications
2024
Jenna A. Brown, Matthew R. Harrison, Tecle Rufael, Selina A. Roman-White, Gregory B. Ross, Fiji C. George, and Daniel Zimmerle (PDF)
19 February – Point Sensor Networks Struggle to Detect and Quantify Short Controlled Releases at Oil and Gas Sites
Rachel Elizabeth Day, Ethan Emerson, Clay Bell, Daniel Zimmerle (PDF)
Chiemezie Ilonze, Ethan Emerson, Aidan Duggan, Daniel Zimmerle (PDF)
5 February – Potential Underestimate in Reported Bottom-up Methane Emissions from Oil and Gas Operations in the Delaware Basin
2023
December 11 – Reconciling Top-down and Bottom-up Methane Emissions Estimates in the Delaware Basin
Riddick, S.N.; Mbua, M.; Santos, A.; Hartzell, W.; Zimmerle, D.J. (PDF)
November 17 – Uncertainty Quantification of Methods Used to Measure Methane Emissions of 1 g CH4 h−1
Stuart N. Riddick, Mercy Mbua, John C. Riddick, Cade Houlihan, Anna L. Hodshire, Daniel J. Zimmerle (PDF)
October 30 – Unaddressed Uncertainties When Scaling Regional Aircraft Emissions Surveys to Basin Emission Estimates
Daniel Zimmerle, Sonu Dileep, Casey Quinn (PDF)
October 20 – Methane Emissions from Abandoned Oil and Gas Wells in Colorado
Stuart N. Riddick, Mercy Mbua, Arthur Santos, Ethan Emmerson, Fancy Cheptonui, Wendy Hartzell and Dan Zimmerle (PDF)
Fancy Cheptonui, Stuart N. Riddick, Anna L. Hodshire, Mercy Mbua, Kathleen M. Smits, Daniel J. Zimmerle (PDF)
September 20 – Informing Methane Emissions Inventories Using Facility Aerial Measurements at Midstream Natural Gas Facilities
Jenna A. Brown, Matthew R. Harrison, Tecle Rufael, Selina A. Roman-White, Gregory B. Ross, Fiji C. George, and Daniel Zimmerle (PDF)
J.R.R. Navodi Jayarathne, Richard S. Kolodziej, Stuart N. Riddick, Daniel J. Zimmerle, Kathleen M. Smits. (PDF)
April 4 – Signing of the Methane Metrology Agreement
Clay S. Bell, Chiemezie Ilonze, Aidan Duggan, and Daniel J. Zimmerle; (PDF)
Jenna Brown, Tecle Rufael, Matthew Harrison, Selina Roman-White, Gregory Ross, Fiji George, Daniel Zimmerle (PDF)
2022
Riddick, S. N. and Mauzerall, D. L. (PDF)
Dec. 1 – Measurement of recreational N2O emissions from an urban environment in Manchester, UK
Barker, P. A. and Allen, G. Flynn, M., Riddick, S. N., and Pitt, J. R. (PDF)
Shanru Tian, Stuart N. Riddick, Younki Cho, Clay S. Bell, Daniel J. Zimmerle, Kathleen M. Smits (PDF)
Clay Bell, Jeff Rutherford, Adam Brandt, Evan Sherwin, Timothy Vaughn, and Daniel Zimmerle (PDF)
Stuart N. Riddick, Riley Ancona, Mercy Mbua, Clay S. Bell, Aidan Duggan, Timothy L. Vaughn, Kristine Bennett, and Daniel J. Zimmerle
Stuart N. Riddick, Fancy Cheptonui, Kexin Yuan, Mercy Mbua, Rachel Day, Timothy L. Vaughn, Aidan Duggan, Kristine E. Bennett and Daniel J. Zimmerle (PDF)
Sept. 9 – For Leaks in Rain, Snow and Ice Conditions, Experiments Show Faster Gas Migration, Higher Gas Concentrations, and Continued Gas Migration Days after Leak was Stopped
Daniel Zimmerle, Kathleen Smits, Stuart Riddick (PDF)
Sept. 7 – A closer look at underground natural gas pipeline leaks across the United States
Younki Cho, Kathleen M. Smits, Nathaniel L. Steadman, Bridget A. Ulrich, Clay S. Bell, and Daniel J. Zimmerle (PDF)
Shanru Tian, Kathleen M. Smits, Younki Cho, Stuart N. Riddick, Daniel J. Zimmerle, Aidan Duggan (PDF)
David T. Allen, Felipe J. Cardoso-Saldana, Yosuke Kimura, Qining Chen, Zhanhong Xiang, Daniel Zimmerle, Clay Bell, Chris Lute, Jerry Duggan, Matthew Harrison (PDF)
Daniel Zimmerle, Gerald Duggan, Timothy Vaughn, Clay Bell, Christopher Lute, Kristine Bennett, Yosuke Kimura, Felipe J. Cardoso-Saldaña, David T. Allen (PDF)
May 27 – A cautionary report of calculating methane emissions using low-cost fence-line sensors
Stuart N. Riddick, Riley Ancona, Fancy Cheptonui, Clay S. Bell, Aidan Duggan, Kristine E. Bennett, Daniel J. Zimmerle (PDF)
March 22 – Calibration and field deployment of low-cost sensor network to monitor underground pipeline leakage
Younki Cho, Kathleen M. Smits, Stuart N. Riddick, Daniel J. Zimmerle (PDF)
April 26 – METEC controlled test protocol: survey emission detection and quantification
Clay Bell, Daniel Zimmerle (PDF)
April 14 – Open-Source High Flow Sampler for Natural Gas Leak Quantification
Daniel Zimmerle, Timothy Vaughn, Kristine Bennett, Cody Ross, Matthew Harrison, Aaron Wilson, Chris Johnson (PDF)
Feb. 22 – Quantitative comparison of methods used to estimate methane emissions from small point sources
Stuart N. Riddick, Riley Ancona, Clay Bell1, Aidan Duggan, Tim Vaughn, Kristine Bennett and Dan Zimmerle (PDF)
Feb. 2 – Understanding Mid-to Large Underground Leaks from Buried Pipelines as Affected by Soil and Atmospheric Conditions – Field Scale Experimental Study
J. R. R. Navodi Jayarathne, Kathleen Smits, Stuart N. Riddick, Daniel J. Zimmerle, Younki Cho, Michelle Schwartz, Fancy Cheptonui, Kevan Cameron, Peter Ronney (PDF)
2021
Dec. 31 – Quantification of Methane Emissions from Marginal (Low Production Rate) Oil and Natural Gas Wells (PDF)
Dec. 21 – Modeling temporal variability in the surface expression above a methane leak: The ESCAPE model
Stuart N. Riddick, Clay S. Bell, Aidan Duggan, Timothy L. Vaughn, Kathleen M. Smits, Younki Cho, Kristine Bennett, and Daniel J. Zimmerle (PDF)
Dec. – A Different Beast: New Tools for Regulators to Handle Next Generation Leak Detection for Oil and Gas
Daniel Zimmerle
Cho, Younki; Smits, Kathleen ; Riddick, Stuart ; Zimmerle, Daniel
July 7 – Study of methane migration in the shallow subsurface from a gas pipe leak
Bo Gao, Melissa K. Mitton, Clay Bell, Daniel Zimmerle, T. K. K. Chamindu Deepagoda, Arsineh Hecobian, Kathleen M. Smits (PDF)
Jan. 7 – Methane Exhaust Measurements at Gathering Compressor Stations in the United States
Timothy L. Vaughn, Benjamin Luck, Laurie Williams, Anthony J. Marchese, and Daniel Zimmerle (PDF)
2020
Dec – Estimating natural gas emissions from underground pipelines using surface concentration measurements
Younki Cho, Bridget A. Ulrich, Daniel J. Zimmerle, Kathleen M. Smits (PDF)
Sept 22 – METEC controlled test protocol: continuous monitoring emission detection and quantification
Bell, Clay; Zimmerle, Daniel (PDF)
Sept – Variability observed over time in methane emissions from abandoned oil and gas wells
Riddick, S. N., Mauzerall, D.L., Celia, M., Kang, M., and Bandilla K. (PDF)
Daniel Zimmerle, Timothy Vaughn, Clay Bell, Kristine Bennett, Parik Deshmukh, and Eben Thoma (PDF)
July 20 – Evaluation of next generation emission measurement technologies under repeatable test protocols
Clay S. Bell, Timothy Vaughn, Daniel Zimmerle (PDF)
June 1 – The calibration and deployment of a low-cost methane sensor
Riddick, S. N., Mauzerall, D.L., Celia, M., Allen, G., Pitt, J., Kang and M., Riddick, J.C.
May 14 – Methane Emissions from Gathering Compressor Stations in the U.S.
Daniel Zimmerle, Timothy Vaughn, Ben Luck, Terri Lauderdale, Kindal Keen, Matthew Harrison, Anthony Marchese, Laurie Williams, and David Allen (PDF)
Jan 1 – Machine vision for natural gas methane emissions detection using an infrared camera
Jingfan Wanga, Lyne P. Tchapmib, Arvind P. Ravikumar, Mike McGuire, Clay S. Bell, Daniel Zimmerle, Silvio Savarese, Adam R. Brandt (PDF)
2019
Oct – Characterization of methane emissions from gathering compressor stations: final report
Zimmerle, Daniel; Bennett, Kristine; Vaughn, Timothy; Luck, Ben; Lauderdale, Terri; Keen, Kindal; Harrison, Matthew; Marchese, Anthony; Williams, Laurie; Allen, David (PDF)
Daniel Zimmerle, Timothy Vaughn, Benjamin Luck, Terri Lauderdale, Kindal Keen, Matthew Harrison, Anthony Marchese, Laurie Williams, and David Allen (PDF)
Arvind P. Ravikumar, Sindhu Sreedhara, Jingfan Wang, Jacob Englander, Daniel Roda-Stuart, Clay Bell, Daniel Zimmerle, David Lyon, Isabel Mogstad, Ben Ratner, Adam R. Brandt (PDF)
Aug 19 – Methane emissions from oil and gas platforms in the North Sea
6. Riddick, S. N., Mauzerall, D. L., Celia, M., Harris, N. R. P., Allen, G., Pitt, J., Staunton-Sykes, J., Forster, G. L., Kang, M., Lowry, D., Nisbet, E. G., and Manning, A. J. (PDF)
Aug 15 – Constraining the Accuracy of Flux Estimates Using OTM 33A
Rachel Edie, Anna M. Robertson, Robert A. Field, Jeffrey Soltis, Dustin A. Snare, Daniel Zimmerle, Clay S. Bell, Timothy L. Vaughn, and Shane M. Murphy (PDF)
Thomas A. Fox, Arvind P. Ravikumar, Chris H. Hugenholtz, Daniel Zimmerle, Thomas E. Barchyn, Matthew R. Johnson, David Lyon, Tim Taylor (PDF)
June 27 – Natural Gas Emissions from Underground Pipelines and Implications for Leak Detection
Bridget A. Ulrich, Melissa Mitton, Emily Lachenmeyer, Arsineh Hecobian, Daniel Zimmerle, and Kathleen M. Smits (PDF)
Benjamin Luck, Daniel Zimmerle, Timothy Vaughn, Terri Lauderdale, Kindal Keen, Matthew Harrison, Anthony Marchese, Laurie Williams, and David Allen (PDF)
Ingrid Mielke-Maday, Stefan Schwietzke, Tara I. Yacovitch, Benjamin Miller, Steve Conley, Jonathan Kofler, Philip Handley, Eryka Thorley, Scott C. Herndon, Bradley Hall, Ed Dlugokencky, Patricia Lang, Sonja Wolter, Eric Moglia, Molly Crotwell, Andrew Crotwell, Michael Rhodes, Duane Kitzis, Timothy Vaughn, Clay Bell, Dan Zimmerle, Russ Schnell and Gabrielle Pétron (PDF)
Feb 15 – Measuring methane emissions from abandoned and active oil and gas wells in West Virginia
Riddick, S. N., Mauzerall, D., Celia, M., Bressler, K., Chu, C., Gum, C. and Kang, M. (PDF)
2019 – Automated Identification of Oil Field Features using CNNs
Sonu Dileep, Daniel Zimmerle, J Ross Beveridge, Timothy Vaughn (PDF)
2018
Dec – Deep Learning to Classify Methane Leak Size At Oil and Gas Facilities
Wang, J. ; Ravikumar, A. P. ; Sreedhara, S. ; Tchapmi, L. P. ; McGuire, M. ; Bell, C. ; Zimmerle, D. ; Brandt, A. R.
Dec – Testing the Next Generation of Leak Detection and Quantification Technologies
Zimmerle, D. ; Bell, C. ; Vaughn, T. L.
Timothy L. Vaughn, Clay S. Bell, Cody K. Pickering, and Dag Nummedal (PDF)
Palmer, P., O’Doherty, S., et al. (PDF)
June 21 – Improved characterization of methane emissions from the U.S. oil and gas supply chain
Ramon A. Alvarez, Daniel Zavala-Araiza, David R. Lyon, David T. Allen, Zachary R. Barkley, Adam R. Brandt, Kenneth J. Davis, Scott C. Herndon, Daniel J. Jacob, Anna Karion, Eric A. Kort, Brian K. Lamb, Thomas Lauvaux, Joannes D. Maasakkers, Anthony J. Marchese, Mark Omara, Stephen W. Pacala, Jeff Peischl, Allen L. Robinson, Paul B. Shepson, Colm Sweeney, Amy Townsend-Small, Steven C. Wofsy, Daniel Zimmerle, Steven P. Hamburg (PDF)
12. Riddick, S. N., Hancock, B. R., Robinson, A. D., Connors, S., Davies, S., Allen, G., Pitt, J. and Harris, N. R. P. (PDF)
Arvind P. Ravikumar , Jingfan Wang, Mike McGuire, Clay S. Bell, Daniel Zimmerle, and Adam R. Brandt
2017
Timothy L. Vaughn, Clay S. Bell, Tara I. Yacovitch, Joseph R. Roscioli, Scott C. Herndon, Stephen Conley, Stefan Schwietzke, Garvin A. Heath, Gabrielle Pétron, Daniel Zimmerle (PDF)
Tara I. Yacovitch, Conner Daube, Timothy L. Vaughn, Clay S. Bell, Joseph R. Roscioli, W. Berk Knighton, David D. Nelson, Daniel Zimmerle, Gabrielle Pétron, Scott C. Herndon (PDF)
Daniel J. Zimmerle, Cody K. Pickering, Clay S. Bell, Garvin A. Heath, Dag Nummedal, Gabrielle Pétron, Timothy L. Vaughn (PDF)
Sonderfeld, H., Bösch, H., Jeanjean, A. P. R., Riddick, S. N., et al. (PDF)
Clay S. Bell, Timothy L. Vaughn, Daniel Zimmerle, Scott C. Herndon, Tara I. Yacovitch, Garvin A. Heath, Gabrielle Pétron, Rachel Edie, Robert A. Field, Shane M. Murphy, Anna M. Robertson, Jeffrey Soltis (PDF)
Anna M. Robertson, Rachel Edie, Dustin Snare, Jeffrey Soltis, Robert A. Field, Matthew D. Burkhart, Clay S. Bell, Daniel Zimmerle, and Shane M. Murphy (PDF)
June 17 – Estimating the size of a methane emission point source at different scales: from local to landscape
Riddick, S. N., Connors, S., Robinson, A. D., Manning A., Jones, P. S. D., Lowry, D., Nisbet, E.G., Skelton, R. L., Allen, G., Pitt, J. and Harris, N. R. P. (PDF)
Stefan Schwietzke, Gabrielle Pétron, Stephen Conley, Cody Pickering, Ingrid Mielke-Maday, Edward J. Dlugokencky, Pieter P. Tans, Tim Vaughn, Clay Bell, Daniel Zimmerle, Sonja Wolter, Clark W. King, Allen B. White, Timothy Coleman, Laura Bianco, and Russell C. Schnell (PDF)
Jan 16 – Super-emitters in natural gas infrastructure are caused by abnormal process conditions
Daniel Zavala-Araiza, Ramón A Alvarez, David R. Lyon, David T. Allen, Anthony J. Marchese, Daniel J. Zimmerle & Steven P. Hamburg (PDF)
2016
Dec 7 – Mid-continent basin – methane emissions reconciliation: facility level emissions
Daniel Zimmerle (PDF)
2015
Dec 7 – Reconciling divergent estimates of oil and gas methane emissions
Daniel Zavala-Araiza, David R. Lyon, Ramón A. Alvarez, and Steven P. Hamburg (PDF)
Aug 18 – Methane Emissions from United States Natural Gas Gathering and Processing
Anthony J. Marchese, Timothy L. Vaughn, Daniel J. Zimmerle, David M. Martinez, Laurie L. Williams, Allen L. Robinson, Austin L. Mitchell, R. Subramanian, Daniel S. Tkacik, Joseph R. Roscioli, and Scott C. Herndon (PDF)
July 21 – Methane Emissions from the Natural Gas Transmission and Storage System in the United States
Daniel J. Zimmerle, Laurie L. Williams, Timothy L. Vaughn, Casey Quinn, R. Subramanian, Gerald P. Duggan, Bryan Willson, Jean D. Opsomer, Anthony J. Marchese, David M. Martinez, and Allen L. Robinson (PDF)
July 7 – Constructing a Spatially Resolved Methane Emission Inventory for the Barnett Shale Region
David R. Lyon, Daniel Zavala-Araiza, Ramon A. Alvarez, Robert Harriss, Virginia Palacios, Xin Lan, Robert Talbot, Tegan Lavoie, Paul Shepson, Tara I. Yacovitch, Scott C. Herndon, Anthony J. Marchese, Daniel Zimmerle, Allen L. Robinson, and Steven P. Hamburg (PDF)
J. R. Roscioli, T.I. Yacovitch, C. Floerchinger, A. L. Mitchell, D.S. Tkacik, R. Subramanian, D. M. Martinez, T.L. Vaughn, L. Williams, D. Zimmerle, A.L. Robinson, S.C. Herndon, and A.J. Marchese (PDF)
R. Subramanian, Laurie L. Williams, Timothy L. Vaughn, Daniel Zimmerle, Joseph R. Roscioli, Scott C. Herndon, Tara I. Yacovitch, Cody Floerchinger, Daniel S. Tkacik, Austin L. Mitchell, Melissa R. Sullivan, Timothy R. Dallmann, and Allen L. Robinson (PDF)
Austin L. Mitchell, Daniel S. Tkacik, Joseph R. Roscioli, Scott C. Herndon, Tara I. Yacovitch, David M. Martinez, Timothy L. Vaughn, Laurie L. Williams, Melissa R. Sullivan, Cody Floerchinger, Mark Omara, R. Subramanian, Daniel Zimmerle, Anthony J. Marchese, and Allen L. Robinson (PDF)
2012
Moving Towards Improved Basin-level Oil and Gas Inventories and Reconciliation with Measurements
Amnon Bar-Ilan, John Grant, Rajashi Parikh, Ralph Morris, Garvin Heath, Viktor Diakov, Dan Zimmerle, Lee Gribovicz (PDF)
Measurement Analysis of GC-FID Methane Network in East Anglia
Sarah Connors, Neil Harris, Andrew Robinson, Stuart Riddick, Alistair Manning (PDF)
2010
Dec 22 – Flare Gas Utilization at Combined Oil-Gas Well Sites
Casey Quinn, Daniel Zimmerle, Daniel B. Olsen