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Introduction to Liquefied Natural Gas (LNG)



LNG is Natural Gas that has been cooled to below minus 161 degrees Celsius in order to make it change its aggregate state and turn from a gas into a liquid.


That's similar to water vapor (at plus 100 degrees Celsius) that turns into water when the temperature drops below the 100 degrees Celsius. The process of heat exchange where the Natural Gas and the resulting LNG are chemically identical. As soon as you vaporize the LNG into Natural gas again (that's what it has always been) you have the same substance as your starting substance was.


LNG is therefore produced only in order to condense very bulky gas into a much denser liquid (volume decreases by a factor of approximately 600) in order to either store it in a tank or transport it by vessel or truck if the lack of a gas pipeline requires you to use this way of transporting gas.


There are various assumptions at what distance transport by LNG is economically more attractive than by pipeline but they range in the 2000 to 4000 kilometers for onshore pipelines and between 300 and 1000 kilometers for offshore pipelines. Thus natural gas can be transported to large distances on ships.


LNG Supply Chain

A typical LNG supply chain is as follows:

  1. Natural Gas (NG) Production (from Gas fields)

  2. NG transportation from producing fields to Liquefying Plants through pipelines

  3. NG to LNG conversion (Liquefaction)

  4. LNG storage in LNG tanks

  5. LNG tanks to LNG Ships for LNG transportation LNG stands for Liquefied Natural Gas.

  6. LNG unloading at LNG receiving Plants (also known as LNG Regasification Plants/Terminal)

  7. Regasification of LNG to NG.


GuyEnergy's LNG Supply Chain

GuyEnergy will be supplying LNG to various consumers both locally in Guyana and throughout the region. Below is a graphic demonstrating GuyEnergy's LNG supply chain.


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