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Government amends definition of hydrocarbon to include Shale...

Published on July 27, 2018
A move to increase India's energy security Union Ministry of Petroleum and Natural Gas has amended Petroleum and Natural Gas Rules 1959 to include Shale in the definition of petroleum.
Govt amends definition of hydrocarbon to include Shale
  • This change will allow private companies to explore and produce the resource in the blocks they already operate.

About the updated definition:

  • The updated definition of petroleum means naturally occurring hydrocarbons, whether in the form of natural gas or in liquid, viscous or solid form, or mixture thereof, occurring in association with petroleum or coal or shale but does not include coal, lignite, and helium.
  • Prior to this, definition excluded shale and therefore barred companies from exploiting it from fields that are producing conventional oil and gas or coal-bed methane.

Significance/Importance:

  • The amendment of definition of petroleum will open up exploration of all hydrocarbons in existing fields which is line with new Hydrocarbon Exploration Licensing Policy (HELP).
  • It will help in enhancing domestic exploration and production of hydrocarbons and increasing India’s energy security and reducing dependency on imports.

What is Shale?

  • It is a fine-grained sedimentary rock that forms from compaction of silt and clay-size mineral particles, commonly called as mud.
  • The composition of shale places it in the category of sedimentary rocks known as mudstones.
  • Shale is distinguished from other mudstones due to laminated (rock is made up of many thin layers) and fissile (rock readily splits into thin pieces along the laminations) nature.
  • Some shales have special properties that make them important resources.
  • Black shales contain organic material that sometimes breaks down to form natural gas or oil.

What is Shale Gas?

  • Shale gas is a natural gas formed from being trapped within shale formations.
  • It is an unconventional source of methane, like coal-bed gas (in coal seams) and tight gas (trapped in rock formations).
  • It is a colourless, odourless gas which is lighter than air.
  • It is cheaper than natural gas and releases 50% less CO2, hence a better source for generating electricity.
  • It also provides feedstock for petrochemicals industry, which is turned into fertilizer, plastics and other useful stuff.
  • In India, potential shale gas sites are Cambay, Gondwana, Krishna-Godawari and Cauvery Basins.

Questions:

Q1. What has been included in the definition of petroleum by the Union Ministry of Petroleum and Natural Gas?
a. Shale
b. Whale
c. Snail
d. None of the above

Q2. Which rules did the Union Ministry of Petroleum and Natural Gas amend to include a new product in the definition of petroleum?
a. Diesel and Kerosene Rules 1947
b. Petroleum and Natural Gas Rules 1959
c. Methane and Biogas Rules 1990
d. None of the above
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