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Greenhouse Gas Reporting Program (GHGRP)

GHGRP Petroleum and Natural Gas Systems

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 This sector consists of the following industry segments of the petroleum and natural gas industry.

  • Onshore Production. Production of petroleum and natural gas associated with onshore production wells and related equipment.
  • Offshore Production. Production of petroleum and natural gas from offshore production platforms.
  • Gathering and Boosting. Gathering pipelines and other equipment that collect petroleum/natural gas from onshore production gas or oil wells and then compress, dehydrate, sweeten, or transport the petroleum and/or natural gas.
  • Natural Gas Processing. Processing of field quality gas to produce pipeline quality natural gas, and fractionation of gas liquids.
  • Natural Gas Transmission Compression. Compressor stations used to transfer natural gas through transmission pipelines.
  • Natural Gas Transmission Pipeline. A rate-regulated interstate or intrastate pipeline, or a pipeline that falls under  the "Hinshaw Exemption" of the Natural Gas Act.
  • Underground Natural Gas Storage. Facilities that store natural gas in underground formations.
  • Liquefied Natural Gas (LNG) Import/Export. Liquefied Natural Gas import and export terminals.
  • LNG Storage. Liquefied Natural Gas storage equipment.
  • Natural Gas Distribution. Distribution systems that deliver natural gas to customers.
  • Other Petroleum and Natural Gas Systems. Stationary fuel combustion emissions from petroleum and natural gas source categories that are not otherwise listed.
Petroleum and Natural Gas Systems Sector — Greenhouse Gas Emissions Reported to the GHGRP
(all emissions values presented in million metric tons CO2e)
  2011 2012 2013 2014 2015 2016a
Number of facilities: 1,921 2,096 2,186 2,419 2,419 2,248
Total emissions (CO2e): 222.2 226.1 227.9 235.9 232.9 282.9
Emissions by greenhouse gas (CO2e)
• Carbon dioxide (CO2): 138.3 145.5 150.6 162.5 162.2 186.7
• Methane (CH4): 83.7 80.1 77.1 73.3 70.1 96.0
• Nitrous oxide (N2O): 0.1 0.4 0.1 0.1 0.6 0.2

a Facilities in the Gathering and Boosting and Transmission Pipeline industry segments began reporting in 2016.

Totals may not equal sum of individual GHGs due to independent rounding.

CO2 emissions from the combustion of biomass are NOT included in emissions totals provided above.

Industry Sector 2016 Number of Reporters 2016 Emissions (million metric tons CO2e)
Onshore Production 512 85.4
Offshore Production 134 7.3
Gathering and Boosting 299 83.0
Natural Gas Processing 447 55.9
Natural Gas Transmission Compression 525 22.4
Natural Gas Transmission Pipelines 27 4.4
Underground Natural Gas Storage 53 1.5
Liquefied Natural Gas (LNG) Import/Export 6 2.0
LNG Storage 6 **
Natural Gas Distribution 169 14.2
Other Petroleum and Natural Gas Systems 541 29.1

Totals may not equal sum of individual GHGs due to independent rounding.

** Total reported emissions are less than 0.05 million metric tons CO2e.

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