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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

Fugitive Methane Emissions from Coal Mining and Handling ... · Ajay Kumar Singh CIMFR, Dhanbad INCCA Workshop on GHG Emissions New Delhi 11 May 2010 Fugitive Methane Emissions from

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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

Coal

Microscopic view of the Micropores

structure of coal

Fracture system, cleats in coal

Transport of Gas in Coal

FloorNOT TO SCALE

2m

Roof

4.2m

Cover

What about surface mines???

Fugitive Emission from Coal Mining and Handling Activities

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

Fugitive Emission from Oil and Natural Gas Systems

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

Thanks