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Unconventional Hydrocarbons

Coal Bed Methane (CBM) Resources

The estimated CBM resources are of the order of 2,600 Billion Cubic Metres (BCM) or 91.8 Trillion Cubic Feet (TCF) spread over in 11 States in the country. The State-wise details of CBM resources are as under:

COAL BED METHANE RESOURCES IN INDIA

Sl. No.

STATE

Estimated CBM Resources (BCM)

1

JHARKHAND

722.08

2

RAJASTHAN

359.62

3

GUJARAT

351.13

4

ORISSA

243.52

5

CHATTISGARH

240.69

6

MADHYA PRADESH

218.04

7

WEST BENGAL

218.04

8

TAMIL NADU

104.77

9

ANDHRA PRADESH

99.11

10

MAHARASHTRA

33.98

11

NORTH EAST

8.5

    Total CBM Resources

2,599.48

In order to harness CBM potential in the country, CBM blocks were offered through international competitive bidding for exploration and production of CBM in the country for

RECOVERABLE COAL BED METHANE RESERVES AS ON 01.04.2019

State

Block

Operator

GIIP (BCM)

Ultimate Reserves
(BCM)

Balance Recoverable Reserves
(BCM)

Jharkhand

Bokaro

ONGC

30.182

3.680

3.680

Jharia

ONGC

14.610

3.040

2.869

North Karanpura

ONGC

9.530

1.462

1.462

Madhya Pradesh

Sohagpur East

RIL

47.700

16.700

16.682

Sohagpur West

RIL

55.500

15.440

14.871

West Bengal

Raniganj East

ESSAR

60.770

28.120

26.829

Raniganj North

ONGC

7.430

1.860

1.860

Raniganj South

GEECL

69.092

5.287

4.224

Total (BCM)

294.814

75.589

72.477

the first time in May, 2001. So far, Government has awarded 30 CBM blocks under four rounds of bidding to National, Private & Joint Venture Companies. In addition, 2 CBM blocks were awarded on nomination basis and one block through Foreign Investment Promotion Board (FIPB) route. These CBM blocks are in the States of Andhra Pradesh, Assam, Chhattisgarh, Gujarat, Jharkhand, Madhya Pradesh Maharashtra, Odisha, Rajasthan, Tamil Nadu and West Bengal. CBM in-place reserves of about 280.3 BCM (9.9 TCF) have been established by different operators as on 1st April, 2018. State-wise and block-wise CBM reserves position is given below:

Shale Gas/Oil Resources

It is estimated that a number of sedimentary basins (Gangetic plain, Gujarat, Rajasthan, Andhra Pradesh and other coastal areas) in India, including the hydrocarbon bearing ones – Cambay, Assam-Arakan and Damodar estimates of shale gas and oil are prospective from shale oil and gas point of view in the Indian sedimentary basins carried out by some agencies are as under:

i. ONGC in August, 2013 has estimated Shale Gas resources of 187.5 TCF for 5 basins namely Cambay, Krishna Godavari, Cauvery, Ganga and Assam

ii. Central Mine Planning and Design Institute (CMPDI): in July, 2013 has estimated Shale Gas resources of 45.8 TCF for one basin, namely Gondwana.

 

iii. United States Geological Survey (USGS) in January, 2011 estimated Technical Recoverable Shale Gas of 6.1 TCF in three basins namely Cambay, KG & Cauvery.

 

Gas hydrates

Gas Hydrates can be an unconventional future energy source world over. World over the production of gas from gas hydrates are at R&D stage. USA, Japan, Russia, China, Germany and Korea are deeply involved in developing a technology to exploit these proved Gas hydrates reserves. In India, Gas hydrate research and exploratory activities are being steered by the Ministry of Petroleum & Natural Gas under National Gas Hydrate Program (NGHP). The presence of Gas Hydrate is established in Krishna Godavari, Mahanadi, Gulf of Mannar and Andaman Basin.

Please refer to our Annual Report for more details...
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