Transcript GasPipe

GasPipe
GasPipe is an easy to use package used for
generating IPR curves for all nodes and
components in a gas gathering system. The
network consists of wells, separators, lineheaters,
dehydrators, meter runs, field compressors, gas
processing plants and pipelines. With this
package the user can optimize a gathering
system, determine system restrictions and
investigate flow improvements.
GasPipe
Agenda
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Network and components
Well data
Pool data
Gas analysis data
Special Features, Methods and Correlations
Output Reports and Graphs
Demo
Questions
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GasPipe Network
• The Network consists of a series of nodes.
• Wells, separators, lineheaters, dehydrators,
meter runs, field compressors, gasprocessing plants and delivery stations.
• Nodes are connected with pipelines.
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Network Diagram
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Well Data
• Wells are defined within a pool, group, and a
lease.
• Wellhead: Static pressure and temperature
• Deliverability: Wellhead AOF parameters.
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Well Data
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Well Deliverability
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Wellhead IPR
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Well Working Interests
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Pool Data
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Reservoir Data: None
Abandonment: None
Gas Analysis: Selected
Wells: Selected
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Pool Data
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Gas Analysis Data
• Full Gas Analysis: 12 Component gas
analysis including N2, CO2 and H2S, C7+
properties (Molecular Weight, Specific
Gravity)
• Simple Gas Analysis: 3 non-HC including
N2, CO2 and H2S, and a total gas specific
gravity.
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Gas Analysis
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Gas Analysis
11-27 Turner Valley Formation
Detailed Gas Analysis
1.00
0.95
0.90
0.85
0.80
0.75
0.70
Mole fraction
0.65
0.60
0.55
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
N2
C02
H2S
C1
C2
C3
iC4
nC4
iC5
nC5
C6
C7+
Com ponents
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GasPipe
Special Features
• Wellhead Deliverability
– Simplified (Rawlings and Schellhardt(1936)
– LIT-Pressure
– LIT-Pressure Squared (Houpert, 1959)
– LIT-Pseudo Pressure (Al-Hussainy, 1965)
– Gas IPR (Aronofsky and Jenkins, 1954)
• Pipeline pressure drop
– Weymouth formula
– Modified Panhandle ‘A’
– Modified Panhandle ‘B’
– Fanning equation
– Numerical integration (Gregory and Aziz, 1978)
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GasPipe
Special Features cont.
• Friction factors
– Colebrook-White,
1939
– Jain, 1978
– Chen, 1979
• Compressor Power
– Sproule, 1982
– Katz et al, 1959
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Calculation Methods
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Correlations
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Output, Reports and Graphs
• Table of results
– Flow rates and pressures, flow rates or
pressures
• Diagram of results
• Table of results by component
– General data, Solution, IPR, Gas analysis
• Numerous reports
– Well, pool, group, lease, company, etc.
• Numerous graphs
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Network Results
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Flow Rate Solutions
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Pressure Solutions
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Component Solutions
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Component IPR
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Diagram Menu
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Network Solutions
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Reports
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Graphs
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