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Natural Gas Transport

Natural Gas Transport refers to the various methods of transportation used to move natural gas from one location to another. It is primarily transported by pipeline on land and ship on water.

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What is Natural Gas Transport?

Once natural gas is extracted, it must be transported to different places to be processed, stored, and then finally delivered to the end consumer1.

Natural gas can be transported on land via pipeline or on water via ship.

Most of the world’s natural gas is delivered by pipeline. Large networks of pipelines quickly deliver natural gas on land to major processing facilities and end consumers2. This complex network includes three types of pipelines along the transportation route3:

  1. Gathering pipeline system – the gathering system includes low pressure small pipelines that transport raw natural gas from the wellhead to the processing plant.
  2. Intrastate/interstate pipeline system – Pipelines can be classified as intrastate or interstate. Their technical and operational characteristics are substantially similar, and they both have the same goal: to transport natural gas from the processing plant to the centers of its consumption.
  3. Distribution pipeline system – the distribution pipeline system has the purpose of delivering gas to the end-consumers.

Natural gas must be highly pressurized to move it along the pipeline. To ensure that the natural gas remains pressurized, compressor stations are placed in intervals along the pipeline. The natural gas enters the compressor station, where it is compressed by either a turbine, motor, or engine. Metering stations are also installed throughout the pipeline network to monitor for pressure, flow and leaks.

Where natural gas cannot be delivered on land, it can be liquefied and delivered by ship. Compared to gas pipelines, liquefied natural gas (LNG) shipping is preferred for international transport because, in a liquid form, natural gas takes up less volume, making it easier for shipment and storage.  LNG infrastructure includes a gas pipeline leading to the seaside, gas liquefaction plant, storage facilities and an LNG terminal for shipment. After being liquified and transported to the area of demand, LNG is returned to gas form at regasification plants at the terminal.

Natural gas can also be stored for later use.

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Context

As natural gas is typically produced in remote regions away from areas of high gas demand, natural gas transport is a critical part of the natural gas industry4.

There are several concerns relating to natural gas transport. Leaks are a major issue. Methane is highly flammable; undetected leaks could lead to accidents and explosions. Additionally, natural gas is predominantly methane, a potent greenhouse gas. Undetected natural gas pipeline leaks could be a contributor to climate change. There are also concerns of pipelines crossing environmentally sensitive areas, for example in delicate natural habitats, near communities, and close to water aquifers. Finally, some environmentalists argue that investing in natural gas pipeline and LNG infrastructure supports dependency on fossil fuels, making natural gas less of a bridge fuel and more of a permanent source of energy

 

 

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External resources

INTERNATIONAL ORGANIZATIONS

Natural Gas Supply Association

International Group of Liquefied Natural Gas Importers

International Gas Union

International Association for Natural Gas 

INTERNATIONAL OR PROMINENT INDUSTRY ASSOCIATION

American Gas Association

Interstate Natural Gas Association of America

Federal Energy Regulatory Commission (FERC)

Canadian Energy Pipeline Association (CEPA)

Gas Infrastructure Europe (GIE)

European Network of Transmission System Operators for Gas (ENTSOG)

RESEARCH INSTITUTION

Gas Technology Institute

Oxford Institute for Energy Studies (OIES)

Canadian Energy Research Institute (CERI)

Center for Liquefied Natural gas (CLNG)

Energy Research Insitute of Russian Academy of Sciences

Asia Pacific Energy Research Center (APERC) 

ACADEMIC JOURNAL

Oil and Gas Journal

Natural Gas Industry B

HISTORY

NaturalGas.org

POLITICS

HarvardIOP

The Wall Street Journal

The Economist

ECONOMICS

International Association for Energy Economics (IAEE)

ENVIRONMENTAL IMPACT

U.S Environmental Protection Agency (EPA)

Union of Concerned Scientists

American Gas Association (AGA)

David Suzuki Foundation

International Energy Agency (IEA)

BUSINESS ANALYSIS

Interfax Global Energy

NaturalGas.org

HEALTH IMPACT

American Petroleum Institute

Union of Concerned Scientists

Health and Safety Executive (HSE)

SUSTAINABILITY

Gasunie 

OTHER INTERESTING ESSAYS/ARTICLES

Natural Gas Europe

Cedigaz

Planete Energies

  1. Canadian Energy Pipeline Association (n.d.). Natural gas pipelines. http://www.cepa.com/about-pipelines/types-of-pipelines/natural-gas-pipelines 
  2. Mayorets, M. & Simonov, K. (2013). How natural gas is transported. http://www.spectraenergy.com/Natural-Gas-101/Transporting-Natural-Gas/ 
  3. Favennec, J. P. (2009). Geopolitics of energy. http://www.iea.org/media/training/presentations/statisticsmarch/NaturalGasInformation.pdf 
  4. Le Fevre, C., Madden, M., White, N. « LNG in transportation 2015-2035 ». October 2014. http://www.cedigaz.org/products/LNG%20in%20Transportation/lng-transportation.aspx
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