Last reviewed on 12-01-2023

Documentation of California's Greenhouse Gas Inventory (2023 Edition - Last updated on 12-1-2023)

♦ 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: Carbon dioxide ( CO2 )

► Year 2000 —

● Greenhouse gas emission estimate —

Amount: 3,157,977 tonnes of CO2 Emitted (3,157,977 tonnes CO2 Eq.)
Basis: Calculation
Calculation: [Fuel combustion] * [Heat content] * [Fuel CO2 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. http://www.ipcc-nggip.iges.or.jp/public/2006gl/pdf/2_Volume2/V2_2_Ch2_Stationary_Combustion.pdf

● Activity level used in calculations —

Activity: Fuel combustion = 60,003,174,000 scf of Associated gas
Basis: Data
Reference: DOGGR (2021). Data request between CARB and Staff of the California Department of Conservation, Division of Oil, Gas & Geothermal Resources. March 2021 http://www.conservation.ca.gov/DOG/Pages/Index.aspx

● Parameters and Constants used in calculations —

Parameter: CO2 emission factor = 0.0651 g / btu
Reference: Wang, D. M. (2007). Data request between CARB and Michael D. Wang, Senior Advisor, Western States Petroleum Association. Summer 2007.
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.

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

Amount: 52.6 g of CO2 per scf of Associated gas