Coalbed the atmosphere that might cause global warming.

Coalbed
methane is an unconventional natural gas and a very good source of energy. It
is extracted from the coal beds or coal seams. The formation take place during
the process of coalification and the transformation of plant into the coal.
Eventually it is one of the most important energy resource with reserves and
production. CBM stable source of energy because we can get it by various method.
It can be recovered from underground coal before, during and after mining
operations. For extraction and development of CBM horizontal and vertical wells
are used, which require drilling into the coal seam or coal beds and the water present
in the seam is removed to reduce hydrostatics pressure and released adsorbed
gas out of the coal.

Why CBM?

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CBM
can fulfil the national goals in India:

Provide
a clean burning fuel. Improve safety of coal mining. Decrease methane vented to
the atmosphere that might cause global warming. 
Most importantly provides a means to use an abundant coal resource that
is too deep to mine. It minimizes the environmental impacts due to coal mining
as methane is not lost to the environment anymore. It is used for other
purposes like steel manufacturing, fuel for industries, fertilizer manufacture,
ceramics glass textiles etc.

 

Indian scenario of CBM

Ø  India has the 3rd largest proven coal reserves and
thus holds significant prospects for exploration and exploitation of CBM.

Ø  CBM blocks were carved out by DGH in close interaction with
Ministry of Coal (MOC) &Central Mine Planning and Design Institute (CMPDI),
Ranchi. Under the CBM policy, till
date, four rounds of CBM bidding
rounds have been implemented by MOP&NG, resulting in award of 33 CBM blocks including 2 blocks on Nomination and 1
block through Foreign Investment Promotion Board (FIPB).

Ø  The Gondwana sediments of eastern India host the bulk of
India’s coal reserves. The vast majority of the best prospective areas for CBM development are in eastern India, situated in
Damodar Koel valley and Son valley.

Ø  CBM projects exist in Raniganj South, Raniganj East and
Raniganj North areas in the Raniganj coalfield, the Parbatpur block in Jharia
coalfield and the East and west Bokaro coalfields. Son valley includes the
Sonhat North and Sohagpur East and West blocks.

Ø  Natural gas from coal
bed methane is likely to contribute to five per cent of national gas production
by 2017, Minister of State for Petroleum and Natural Gas, Dharmendra Pradhan, said in a tweet. He wrote this
after a meeting with CBM producers in India who, he said, had invested Rs. 10,000crore collectively in CBM blocks.

Ø  Coal bed methane refers
to a reserve of natural gas stored in coal seams. According to the Directorate
General of Hydrocarbons, the country holds significant prospects for
exploration and production of CBM, which is also seen as a clean energy source.

Ø  Currently, Great
Eastern Energy Corporation limited and Essar Oil and Reliance industries
limited are the only three CBM-gas producing blocks in the country, from
separate reserves in Raniganj, West Bengal and Sohagpur west and East from its
two blocks in Madhya Pradesh.