Transcript AC NGA GPA 2286

AC NGA Analyzers
Provides assured accuracy of
concentration and
retention times
AC NGA Analyzers
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Dryer
Natural Gas
NGA ISO
6974,
GPA 2261,
GPA 2286
Natural
Gas
Separator
Natural
Gas
Separator
Wet Gas
NGA, ISO
6974,
GPA 2261,
GPA 2286
Condensate
NGA GPA 2177,
GPA 2186
Condensate
AC NGA Analyzers
C1 - C5,
Traces
C6
NGA, ISO
6974
Condensate
NGA
Condensate
Add to
Naphtha/
Kerosene
2
AC NGA Analysis
• Identification of source
• Calculation of physical properties
• Determination of specific minor
components (odorants)
AC NGA Analyzers
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AC NGA Applications
Method
Analysis Range
GPA 2261
C1 - C6+
Inert gases: O2, N2, CO2
H2S
GPA 2286
C1 - C14+
Inert gases: O2, N2, CO2
H2S
GPA 2177
C1 - C7+
Inert gases: N2, CO2
GPA 2186
C1 - C14+
Inert gases: N2, CO2
AC NGA Analyzers
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AC NGA Applications
Method
Analysis Range
ISO 6974
C1 - C8
Inert gases: H2, He, O2,
N2, CO2
Condensate
C1 - C30
ASTM D 1945
C1 - C6+
Inert gases: O2, N2, CO2,
H2S, He
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Physical Properties
AC NGA Analyzer
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•
•
•
Calorific value
Relative density
Wobbe Index (WI)
Compression factor (Z)
AC NGA Analyzers
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Hardware
• Agilent 6890 Series gas chromatograph
(GC)
• Electronic Pneumatics Control (EPC)
• Packed GC columns
• Thermal Conductivity Detector (TCD)
• Flame Ionisation Detector (FID)
AC NGA Analyzers
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AC NGA GPA 2261 - one valve
Column 2
Front Inlet
Column 1
on/off
Sample in
Sample out
2
1
10
3
9
4
8
5
6
7
PTA
TCD
Front Detector
AC NGA Analyzers
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3
Natural Gas Analyzer
GPA 2261 One-Valve
2
4
1. C6+
2. Nitrogen
3. Methane
4. Carbon Dioxide
5. Ethane
6. Propane
7. Isobutane
8. n-Butane
9. Neopentane
10. Isopentane
11. n-Pentane
5
6
1
7
8
AC NGA Analyzers
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10
11
9
AC NGA GPA 2261 - three valves
Column 4
Column 3
on/off
Column 1
Sample in
2
1
PTA
1
1
10
2
6
2
5
3
6
9
3
8
4
5
6
3
7
4
TCD
5
4
Front Detector
Front Inlet
Column 2
Sample out
AC NGA Analyzers
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10
1. C6+
2. Propane
3. Isobutane
4. n-Butane
5. Isopentane
6. n-Pentane
7. Carbon Dioxide
8. Ethane
9. Nitrogen
10. Methane
Natural Gas Analyzer
GPA 2261 Three-Valves
8
2
7
1
3
4
9
5
6
AC NGA Analyzers
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AC NGA GPA 2286
Column 3
Sample in
Column 4
on/off
Column 1
2
1
Back Detector
1
1
10
2
6
2
6
9
3
PTA
8
4
5
6
5
3
7
TCD
5
3
4
4
Back Inlet
Column 2
112
S/SL
Front Inlet
1
6
2
Column 5
FID
5
3
4
Front Detector
Sample out
AC NGA Analyzers
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3 5
2 4 6
Natural Gas Analyzer
GPA 2286 Extended
10
1
8
1. Methane
2. Ethane
3. Propane
4. Butane
5. Isopentane
6. n-Pentane
7. 2,2-dimethylbutane
8. 2-methylpentane
9. 3-methylpentane
10. n-hexane
11. methylcyclopentane
12. 2,2-dimethylpentane
13. Benzene
14.- 19. C7
20.- 23. C8
24. Toluene
25.-28. C8
29. C9
30. C10
20
13
15
19
24
9
12
14
28
18
25
7
17
16
23
21
27
26
29
30
22
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AC NGA ISO 6974
Column 1
Front Inlet (Argon)
Column 2
Front Detector
1
1
1
6
2
2
6
6
2
PTA
Gas sample in
3
on/off
5
4
5
3
4
5
3
4
TCD
FID
Back Detector
Gas sample out
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6
2
Natural Gas Analyzer
ISO 6974
7
10
9
13
14.
15.
16.
17.
18.
19.
20.
21.
14
1
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
12
Nitrogen
Methane
Carbon Dioxide
Ethane
Propane
Isobutane
n-Butane
Neopentane
Isopentane
n-Pentane
Cyclopentane
2,2-dimethylbutane
2,3-dimethylbutane +
2-methylpentane
Hexane + 3-methylpentane
Benzene + cyclohexane
2-methylhexane
Heptane
Methylcyclohexane
Toluene
2-methylheptane
Octane
16 17
4
15
18
3
19
5
11
20
21
8
AC NGA Analyzers
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For More Information
www.nga-analysis.com
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