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Ajay Kumar Singh
CIMFR, Dhanbad
INCCA Workshop on GHG Emissions
New Delhi
11 May 2010
Fugitive Methane Emissions from Coal Mining and
Handling Activities and Oil and Natural Gas Systems in India
Fugitive Methane Emissions from Coal Mining and
Handling Activities and Oil and Natural Gas Systems in India
0
100
200
300
400
500
1990 1992 1994 1996 1998 2000 2002 2004 2006 2008
Year
Co
al
Pro
du
cti
on
(M
illi
on
To
nn
es
)
Surface Underground Total
Activity data
Coal Production
3.122.150.980.15Post
Mining
(Handling)
23.6813.082.911.18Mining
Degree–IIIDegree–IIDegree–I
Underground MiningSurface
Mining
Methane Emission factor (m3/tonne)Operation
New Emission factors
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1990 1995 2000 2005 2010
Year
Me
tha
ne
Em
iss
ion
(T
g)
CIMFR IPCC Low IPCC Av..
Emission Estimates
Estimates
Sources
FlaresFlaring
Gas VentingVentingVenting and
Flaring
Fugitive EmissionProduction and
processing
Natural Gas
- Internal Floating
tank
- Fixed Roof Tank
- Floating Tank
Crude oil
Production
Production testing
- Gas Flared
Exploration (for
both oil & gas)
Oil
Sources of Methane
Emission
ProcessPetroleum
Products
Emission Factor
0.000640877 (Gg/MMCM)Flaring
0.00648193 (Gg/MMCM)Leakage
0.010667405 (Gg/MMCM)Gas distribution
0.010667405 (Gg/MMCM)Gas Processing
0.003555802 (Gg/MMCM)Gas Production
6.75904 × 10-05(Gg/MT)Refinery Throughput
0.000334242(Gg/1000 tonnes)Oil Production
0.003 (Gg/well)No. of Wells
Methane Emission Estimates
Fugitive Emission from Oil and Gas
1990
1992
1994
1996
1998
2000
2002
2004
2006
Year
Meth
an
e E
mis
sio
n (
Gg
)
Emission
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