https://www.youtube.com/watch?v=wNMU1QjVnYc&t=334s http://www.mediafire.com/file/j8gtgpqfbj3r15j/3.%20a.%20Natural%20gas%20composition%201.pdf

1. Natural
Gas
3. Natural Gas composition

2. Hydrocarbons
H C
Hydrogen
1.0079
Carbon
12.0107
61

3. 3
What is Petroleum ?
gaseous state
Natural Gas
Liquid state
• Condensates
• Petroleum oil
• Crude oil
Solid state
Tar, Asphalts

4. Reservoir Barrel
METHANE &
ETHANE
CARBON DIOXIDE
HYDROGEN SULPHIDE
SAND
WATER
LOWEST
BOILING POINT
HIGHEST
BOILING POINT
gases
naphtha
gasoline
kerosene
diesel oils
Lubricating
oils
Fuel oil
residue
Propane and butane gas for lighter fuel
& camping stoves
Chemicals for medicines, plastics, paints, cosmetics & clothing materials
Petrol for vehicles
Jet fuel and paraffin
Diesel fuel
Machine oil, waxes and polishes
Fuel for ships and central heating
Bitumen for road surfaces and roofing materials
SUBSTANCE USES

5. 5
Classification of Hydrocarbons
• Below is a flowchart for the classification of hydrocarbons.

6. Classification of Hydrocarbons

7. 7
Classification of hydrocarbon

8. 8
Hydrocarbon classification

9. 9

10. 10
Basic Properties of Common Paraffin Hydrocarbons

11. 11
Alkane
Molecular
Formula
Melting Point
(°C)
Boiling Point
(°C)
Phase at STP
Number of
Structural
Isomers
methane CH4 –182.5 –161.5 gas 1
ethane C2H6 –183.3 –88.6 gas 1
propane C3H8 –187.7 –42.1 gas 1
butane C4H10 –138.3 –0.5 gas 2
pentane C5H12 –129.7 36.1 liquid 3
hexane C6H14 –95.3 68.7 liquid 5
heptane C7H16 –90.6 98.4 liquid 9
octane C8H18 –56.8 125.7 liquid 18
nonane C9H20 –53.6 150.8 liquid 35
decane C10H22 –29.7 174.0 liquid 75
tetradecane C14H30 5.9 253.5 solid 1858
octadecane C18H38 28.2 316.1 solid 60,523
Properties of Some Alkanes

12. 12
Reservoir Fluid Types
Black Oil
Heavy and light oil
Volatile oil
Light hydrocarbon with dissolved gas
Condensate
Condensate liquid
Gas
Volumetric gas reservoir

14. 14

15. 15Hydrocarbons
Hydrogen
Carbon
Chemical Bond

16. 16Hydrocarbons
Methane

17. 17Hydrocarbons
Methane
Ethane

18. 18Hydrocarbons
Methane Ethane
Propane

19. 19Hydrocarbons
Methane Ethane Propane
Iso Butane

20. 20Hydrocarbons
Methane Ethane Propane
Iso Butane Normal Butane

21. 21

22. structural isomers of Butane, C4H10
Structural isomers are molecules that have the same
molecular formula but different structures

23. structural isomers of pentane, C5H12

24. Composition
Raw Natural GasA
thane – ethane -
opane
Hydrocarbon Gas
B
on water (
water
C
s
ensate
D
es

25. 25
Inert
Gases
Hydrocarbons
Acid
Gases
Raw
Gas
Condensate
Water
Well
Stream
Raw Natural Gas

26. 26

27. 27
1. Hydrocarbon gases