National Oil and Gas Tool Update National Oil and Gas Committee February 8, 2018
National Oil and Gas Tool Update Engine Updates Emission factor updates Electric compressor engines Gas Composition Calculator User provides gas composition Calculator generates Tool basin factors 11/9/2018 U.S. Environmental Protection Agency
U.S. Environmental Protection Agency Engine Updates Emission Factor Updates Non-Road engines (MOVES model) Stationary engines (NSPS limits) Electric Compressor Engines Electric-driven motors Lateral compressor engines Wellhead compressor engines 11/9/2018 U.S. Environmental Protection Agency
Emission Factor Updates Non-Road Engine Emission Factors Drilling, Fracturing Currently based on 2011 (NONROAD) Update to reflect 2017 (MOVES – replaces NONROAD) Stationary Engine Emission Factors Artificial Lift, Lateral/Wellhead Compressors Currently use AP-42 emission factors NSPS limits CO, NOx, and VOC (~post-2011) 11/9/2018 U.S. Environmental Protection Agency
U.S. Environmental Protection Agency Stationary Engine EFs NSPS has lower NOx limits than AP-42 factors NSPS has higher VOC limits than AP-42 factors 11/9/2018 U.S. Environmental Protection Agency
U.S. Environmental Protection Agency Stationary Engine EFs Fraction of Engines Subject to NSPS needed Default will be set to zero 11/9/2018 U.S. Environmental Protection Agency
Electric Compressor Engines Tool currently accommodates electric Artificial Lift engines Same functionality to be added Lateral compressor engines Wellhead compressor engines Fraction electric (FE) needed 11/9/2018 U.S. Environmental Protection Agency
Electric Compressor Engines Default FE will be set to zero 11/9/2018 U.S. Environmental Protection Agency
Gas Composition Calculator Gas composition data used in the Tool for the following source categories: Associated gas Condensate tanks Crude oil tanks Dehydrators Fugitives Gas-actuated pumps Liquids unloading Loading operations Mud degassing Pneumatic devices Produced water tanks Well completions 11/9/2018 U.S. Environmental Protection Agency
Gas Composition Calculator Excel-based workbook README sheet with description/instructions Calculator sheets for each source category User provides gas composition Weight % Volume % Calculator generates Tool basin factors 11/9/2018 U.S. Environmental Protection Agency
Gas Composition Calculator 11/9/2018 U.S. Environmental Protection Agency
Gas Composition Calculator 11/9/2018 U.S. Environmental Protection Agency
Gas Composition Calculator 11/9/2018 U.S. Environmental Protection Agency
U.S. Environmental Protection Agency GCC – Volume % Example 11/9/2018 U.S. Environmental Protection Agency
U.S. Environmental Protection Agency GCC – Volume % Example 11/9/2018 U.S. Environmental Protection Agency
U.S. Environmental Protection Agency GCC – Volume % Example 11/9/2018 U.S. Environmental Protection Agency
U.S. Environmental Protection Agency GCC – Volume % Example 11/9/2018 U.S. Environmental Protection Agency
U.S. Environmental Protection Agency GCC – Weight % Example 11/9/2018 U.S. Environmental Protection Agency
U.S. Environmental Protection Agency GCC – Weight % Example 11/9/2018 U.S. Environmental Protection Agency
U.S. Environmental Protection Agency GCC – Weight % Example 11/9/2018 U.S. Environmental Protection Agency
U.S. Environmental Protection Agency GCC – Weight % Example 11/9/2018 U.S. Environmental Protection Agency
U.S. Environmental Protection Agency GCC – Weight % Example 11/9/2018 U.S. Environmental Protection Agency
U.S. Environmental Protection Agency Questions? 11/9/2018 U.S. Environmental Protection Agency