eia-天然气月度报告（英文）-2018.5-134页-2mb

Natural Gas Monthly Summary - May 2018

Core Content

The Natural Gas Monthly (NGM) report provides monthly estimates of natural gas supply, consumption, and price data for the United States, covering the period from 2013 to 2018. It serves as a resource for both public and private sector organizations involved in the natural gas industry.

Key Data Points

• Data Sources: The report uses surveys and reports from various sources, including EIA forms such as EIA-914, EIA-857, and EIA-191. Annual data are collected for most categories, with some exceptions like the Dakota Gasification Co., which provides monthly data.
• Data Collection: Data are collected on an annual basis for most categories, except for the Dakota Gasification Co. which provides monthly data. The report includes both final and preliminary data, with 2013-2015 being final and others preliminary unless noted.
• Units and Conversions: All natural gas volumes are reported at a pressure base of 14.73 psia and at 60°F. Cubic feet are converted to cubic meters using a factor of 0.02831685.
• Geographic Coverage: The data cover all 50 U.S. states and the District of Columbia.
• Data Adjustments: Totals may not equal the sum of components due to independent rounding. Some data include adjustments for net intransit deliveries, which are excluded in later years.

Main Sections and Reports

Highlights

• The report contains state and national-level estimates of natural gas volume and price data through March 2018.
• Additional natural gas analyses are available on the EIA website, including:
  • Weekly Natural Gas Storage Report: Released weekly, it includes estimates of natural gas in underground storage for the U.S. and five regions.
  • Natural Gas Weekly Update: A weekly analysis of the industry, including spot and futures prices and storage activities.

Abbreviations

Common abbreviations used in the report include:

• Bcf: Billion cubic feet
• CNG: Compressed natural gas
• DOE: U.S. Department of Energy
• EIA: Energy Information Administration
• FERC: Federal Energy Regulatory Commission
• GOM: Gulf of Mexico
• LNG: Liquefied natural gas
• Mcf: Thousand cubic feet
• MMcf: Million cubic feet
• NGPL: Natural gas plant liquid
• Tcf: Trillion cubic feet

Key Tables

Table 1: Summary of Natural Gas Supply and Disposition in the United States, 2013-2018

• Gross Withdrawals: The total volume of natural gas taken from wells.
• Marketed Production: Natural gas produced and sold to consumers.
• NGPL Production: Natural gas plant liquid production.
• Dry Gas Production: Natural gas excluding NGPL.
• Supplemental Gaseous Fuels: Additional gaseous fuels, collected annually except for the Dakota Gasification Co.
• Net Imports: Natural gas imported into the U.S.
• Net Storage Withdrawals: Natural gas withdrawn from underground storage.
• Balancing Item: Quantities lost and imbalances in data.
• Consumption: Total natural gas used by different sectors.

Table 2: Natural Gas Consumption in the United States, 2013-2018

• Lease and Plant Fuel Use: Fuel used at gas processing plants and on leases.
• Pipeline and Distribution Use: Natural gas used in pipeline operations and distribution.
• Residential, Commercial, Industrial, and Electric Power Deliveries: Natural gas delivered to these sectors.
• Heating Value: Average British thermal units per cubic foot of natural gas.

Table 3: Selected National Average Natural Gas Prices, 2013-2018

• NGPL Composite Spot Price: Price of natural gas plant liquids.
• Natural Gas Spot Price: Price of natural gas.
• Citygate Price: Price at the point of entry into the gas distribution system.
• Delivered to Consumers: Prices for residential, commercial, and industrial consumers.
• Electric Power Price: Price of natural gas used for electric power generation.

Key Figures

Figure 1: Production, Consumption, and Net Imports of Natural Gas in the United States, 2015-2018

• Illustrates the trend of natural gas production, consumption, and net imports over the years.
• Data sources include EIA forms and other reports.

Figure 2: Natural Gas Deliveries to Consumers in the United States, 2015-2018

• Shows the distribution of natural gas deliveries to different sectors.
• Data sources include EIA forms and reports.

Key Contacts

• Director of the Office of Petroleum and Biofuels Statistics: Robert Merriam.
• General Inquiries: Contact EIA's Office of Communications via email at infoctr@eia.gov.
• Specific Questions:
  • Consumption and Consumer Prices: Michael Kopalek (michael.kopalek@eia.gov, 202-586-4001)
  • Imports and Exports: Jose Villar (jose.villar@eia.gov, 202-586-9613)
  • Production: Jeffrey Little (jeffrey.little@eia.gov, 202-586-6284)
  • Quality: Vicki Spangler (vicki.spangler@eia.gov, 202-586-8555)
  • Other Contributors: Sharon Belcher, Bridgette Brown, and Gary Long.

Additional Resources

• Appendices:
  • Explanatory Notes: Provides additional context and explanations for the data.
  • Data Sources: Lists the specific sources for each data set.
  • Statistical Considerations: Discusses the methodology and estimation procedures.
• Glossary: Offers definitions of terms used in the report to aid in understanding the data.

Summary of Trends and Observations

• Production and Consumption: Natural gas production and consumption have shown fluctuations over the years, with notable changes in 2016-2018.
• Imports and Exports: Net imports have varied, with some months showing negative values indicating exports.
• Storage: Underground storage data have been reported consistently, with some months showing net withdrawals and others net injections.
• Prices: Prices for natural gas and NGPL have fluctuated, with notable increases in 2017 and 2018.
• Deliveries: Deliveries to residential, commercial, and industrial consumers have shown varying percentages of total deliveries, with residential being the largest share.

This report provides a comprehensive overview of the U.S. natural gas market, including production, consumption, storage, and price trends, and serves as a key resource for stakeholders in the energy sector.