METHANE

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  • Created by: wardk
  • Created on: 16-07-16 18:31
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  • METHANE
    • Cheap natural gas contributed to the closure of UK deep coal mines when there was still a lot of coal available to exploit. North Sea gas will be exhausted within a few  decades but it will not be possible to reopen the coal mines as they are flooded and unsafe
    • Relatively clean with low environm- ental impacts releasing mainly C02
    • Extraction
      • Unconventional forms of natural gas like shale gas, tight gas, sour gas, coalbed methane and gas hydrates have specific extraction techniques.
      • 'Associated Gas' is methane which is extracted along side oil from a oil reserve
      • Natural gas is forced to the surface by its natural pressure using similar equipment to oil recovery
    • Formation
      • Released at all stages of crude oil formation from dead tropical marine plankton.
      • Released at all stages of coal formation from dead terrestrial vegetation in tropical swamps
    • Uses
      • Domestic/ industrial heating
      • Electricity generation
    • Availability
    • Trade & Economics

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