Last reviewed on 10-02-2020

Documentation of California's Greenhouse Gas Inventory (13th Edition - Last updated on 10-15-2020)

♦ Category: Energy

IPCC: 1A1cii - Fuel Combustion Activities - Energy Industries - Manufacture of Solid Fuels and Other Energy Industries - Other Energy Industries
Sector: Industrial : Oil & Gas: Production & Processing

♦ Activity: Fuel combustion - Associated gas

♦ Greenhouse gas: Nitrous oxide ( N2O )

► Year 2018 —

● Greenhouse gas emission estimate —

Amount: 3.42 tonnes of N2O Emitted (1,020 tonnes CO2 Eq.)
Basis: Calculation
Calculation: [Fuel combustion] * [Heat content] * [Fuel N2O emission]
Reference: IPCC (2006). 2006 IPCC Guidelines for National Greenhouse Gas Inventories, Prepared by the National Greenhouse Gas Inventories Programme, Eggleston H.S., Buendia L., Miwa K., Ngara T., and Tanabe K. (eds). Volume 2, Chapter 2: Stationary Combustion. Published: IGES, Japan.

● Activity level used in calculations —

Activity: Fuel combustion = 42,351,528,000 scf of Associated gas
Basis: Data
Reference: DOGGR (2019). Data request between CARB and Staff of the California Department of Conservation, Division of Oil, Gas & Geothermal Resources. March 2019 #

● Parameters and Constants used in calculations —

Parameter: Fuel N2O emission = 1.000E-07 g / btu
Reference: ARB Mandatory Reporting of Greenhouse Gas Regulation. Subpart C of 40 CFR Part 98 (98.30 to 98.38). Available online at:
Parameter: Heat content = 808 btu / scf
Reference: Wang, D. M. (2007). Data request between CARB and Michael D. Wang, Senior Advisor, Western States Petroleum Association. Summer 2007.
Constant: Global warming potential of N2O = 298
Reference: IPCC (2007). Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. Solomon S., Qin D., Manning M., Chen Z., Marquis M., Averyt K.B., Tignor M., and Miller H.L. (eds.). #

● Greenhouse gas emitted per unit activity (derived from values listed above) —

Amount: 8.080E-05 g of N2O per scf of Associated gas
0.0241 g of CO2eq. per scf of Associated gas