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.

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• 2017 Total Reported Direct Emissions from the Petroleum and Natural Gas Systems Sector, by Subsector (as of 8/19/18)
• Trend of Annual Reported GHG Emissions from the Petroleum and Natural Gas Systems, by Subsector (as of 8/19/18)
• Number of reporters and emissions in the Petroleum and Natural Gas Systems Sector (as of 8/19/18)
• Reported emissions (CO₂e) and well count by county for onshore production
• Facility locations and reported emissions (CO₂e) for offshore production
• Reported emissions (CO₂e) by geologic basin for gathering and boosting facilities
• Reported emissions (CO₂e) and facility locations for industry types: natural gas processing, natural gas transmission, underground natural gas storage, LNG storage, LNG import/export
• Reported emissions (CO₂e) by state for onshore gas transmission pipelines

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Reported emissions (CO₂e) and well count by county for onshore production facilities

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Facility locations and reported emissions (CO₂e) for offshore production

Data Source: 2017 GHGRP as of 8/19/2018

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Reported emissions (CO₂e) by geologic basin for gathering and boosting facilities

Data Source: 2017 GHGRP as of 8/19/2018
* Basin refers to the geologic provinces as published by the American Association of Petroleum Geologists (AAPG)

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Reported emissions (CO2e) and facility locations for industry types: natural gas processing, natural gas transmission, underground natural gas storage, LNG storage, LNG import/export

Data Source: 2017 GHGRP as of 8/19/2018

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Reported emissions (CO₂e) by state for onshore gas transmission pipelines

Data Source: 2017 GHGRP as of 8/19/2018

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Other EPA Resources

• U.S. Greenhouse Gas Inventory Report
• GHGRP Subpart W - Petroleum and Natural Gas Systems

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