On June 22, 2017, EPA held a stakeholder workshop on the 1990-2016 GHG Inventory in Arlington VA. EPA invited presentations from stakeholders with new data and information relevant to estimating GHG emissions from natural gas and petroleum systems. Below are the agenda and slides from the workshop.
View memos on updates under consideration.
Return to Stakeholder Process for Natural Gas and Petroleum Systems in the 1990-2016 Inventory.
- Agenda - June 2017 Greenhouse Gas Inventory Workshop (PDF)(1 pg, 52 K)
- Stakeholder Workshop on Oil and Gas Emissions in the GHG Inventory - Overview (PDF)(8 pp, 256 K)
- Results of a National Study of Methane Emissions from Abandoned Oil and Gas Wells in the United States—Amy Townsend-Small, University of Cincinnati (PDF) (PDF)(22 pp, 3 MB)
- Abandoned Wells Methane Quantification Work—Natalie Pekney, NETL (PDF)(17 pp, 5 MB)
- Update Under Consideration to Include Abandoned Wells in the GHG Inventory—Brandon Long, ERG (PDF)(16 pp, 804 K)
- A Gridded National Inventory of U.S. Methane Emissions—Bram Maasakkers, Harvard University (PDF)(31 pp, 8 MB)
- Improving Estimates of U.S. Oil & Gas Methane Emissions by Comparing Top-Down Estimates in Multiple Basins with a Custom County-Level Emissions Inventory—David Lyon, EDF (PDF)(14 pp, 958 K)
- Uncertainty Input Development for Natural Gas Systems in the GHG Inventory—James Littlefield, NETL (PDF)(12 pp, 2 MB)
- Update Under Consideration for Natural Gas and Petroleum Systems Uncertainty Estimates in the GHG Inventory—Aylin Sertkaya, ERG (PDF)(14 pp, 856 K)
- Methane Leaks from Natural Gas Systems Follow Extreme Distributions—Daniel Cooley, Colorado State University (PDF)(12 pp, 2 MB)
- Preliminary API Comments on Updates to the GHG Inventory—Karin Ritter, API (PDF)(15 pp, 633 K)
- Quantification of Methane Emissions from Natural Gas Infrastructure—Christopher Freitas, DOE (PDF)(16 pp, 1 MB)
- Update Under Consideration for CO2 Estimates for Natural Gas and Petroleum Systems in the GHG Inventory—Brandon Long, ERG (PDF)(20 pp, 971 K)