Day 1
Module 1. Tour of the User Interface
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Tour of the user interface
 Launch PIPESIM from the Start Menu
 To create a new network-centric workspace select New in the Network area.
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Tour of the user interface
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Tour of the user interface
You can control the layout of the panes by choosing one of the predefined configurations from the Layout control on the Home tab.
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Tour to the user interface
 To move panes manually, even
outside the main PIPESIM window,
drag the pane to the location you
want or select the Float option
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Tour to the user interface
 Most ribbon controls have tooltip
descriptions that appear when you
hover over the icons. Explore the
options on all the tabs so you become
familiar with the breadth of
functionality in PIPESIM. The training
uses most of the controls.
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Tour to the user interface
 The Home tab displays all the tasks
that can be run in PIPESIM. These
tasks can be launched from the
Tasks group.
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Day 1
Module 2. Single Pipeline Tutorials
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Learning Objectives
When you complete this module, you will know how to:
 build the physical model
 create a fluid model
 choose flow correlations
 run tasks
 view and analyze results
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Exercise 1. Build water pipeline model with PIPESIM
1. Start PIPESIM.
2. On the Workspace tab, select Options.
3. Select Field for the Default unit
system.
4. Select Close to exit the window.
5. Return to the Workspace tab
6. Under Network, select New to create a
new, network-centric workspace
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Exercise 1. Build water pipeline model with PIPESIM
7. On the Insert tab, select Source.
8. Select the network diagram to place it. The
red highlight around the icon indicates that
some required setup data for the source is
missing.
9. Double-click the icon to open its edit window.
10. Rename the source MySource.
11. Enter a temperature of 60 degF and select
Close.
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Exercise 1. Build water pipeline model with PIPESIM
12. To view the list of missing data, go to the Validation tab at the bottom of the
PIPESIM window.
13. From the Home tab, select Black oil from the Fluid manager options list. (Black oil
is the default). This option launches the Fluid manager dialog box.
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Exercise 1. Build water pipeline model with PIPESIM
14. When the Fluid manager dialog box appears:
 To add a row, select the green plus sign .
 In the New fluid dialog box, select Water as the
fluid Template by choosing it from the options
list.
 Select OK to create the fluid.
15. To display the Fluid editor dialog box, double-click
the line number.
16. To match the entries in the figure, edit the fields.
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Exercise 1. Build water pipeline model with PIPESIM
17. Close the Fluid editor.
18. On the Fluid mapping tab of the Fluid manager
dialog box, associate the new Water fluid with the
source that was created earlier.
19. Close the Fluid manager.
20. Go to the Insert tab.
21. Add a Sink to the network diagram and rename it
MySink.
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Exercise 1. Build water pipeline model with PIPESIM
22. Draw a flowline between the source and the sink.
 Select Flowline on the Insert tab.
 Move the cursor toward the source. When the
red X cursor changes to a black check mark,
select the source to connect the flowline to the
source.
 Move the cursor toward the sink and select the
flowline to connect it.
23. . To launch the Flowline editor, double-click the
flowline.
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Exercise 1. Build water pipeline model with PIPESIM
25. Select Close to exit the Flowline editor.
26. On the Home tab, in the Data group,
select Simulation settings.
 The Flow correlations tab is active in
the Simulation settings dialog box.
27. For this model, an all-water fluid, the
only correlation to set is for Single phase.
Select the Moody correlation.
TIME TO RUN THE MODEL
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Exercise 1. Build water pipeline model with PIPESIM
 P/T Profile Tasks
The Pressure/Temperature Profile task is used to
model the distribution of pressure, temperature,
and other parameters along the flow path.
1. Select Outlet pressure as the Calculated
Variable.
2. 2. Enter values for the Inlet pressure and
Liquid flowrate, as shown in the figure.
3. Set Pressure vs. total distance as the Default
profile plot.
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Exercise 1. Build water pipeline model with PIPESIM
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Exercise 1. Build water pipeline model with PIPESIM
Configure all aspects of the plot by
double-clicking anywhere on the plot to
display the Edit chart/series dialog box
shown in the figure.
Results
Δp frictional (psi)
Δp elevational (psi)
Δp total (psi)
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PIPESIM
Exercise 1. Build water pipeline model with PIPESIM
Student Task
 What happens when 250 F?
 Viscosity?
 Reynolds Number?
 Friction Factor?
 Frictional Pressure Gradient?
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Exercise 2. Model a single-phase gas pipeline
In this exercise, you investigate the flow
of a single-phase gas without changing
the physical components of the model
from the previous exercise.
1. Launch the Fluid manager from the
Home tab.
2. Create a new fluid using the Dry Gas
template.
3. Edit the template to match the
entries shown in the figure
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Exercise 2. Model a single-phase gas pipeline
Reconfigure the P/T profile task to specify a Gas instead of Liquid flow rate, as shown
in the figure.
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Exercise 2. Model a single-phase gas pipeline
Rerun the P/T profile task
 Are all the cases plotted?
 Which case is not plotted?
 Why is that case not plotted?
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Exercise 3. Calculate gas pipeline flow capacity
Previously, the outlet pressure was calculated for a known inlet pressure and flow
rate. In this exercise, you specify the inlet and outlet pressures and calculate the
corresponding gas flow rate.
There are three key variables involved in P/T profile, Nodal analysis, and System
analysis tasks:
 Inlet pressure
 Outlet pressure
 Flow rate
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Exercise 3. Calculate gas pipeline flow capacity
1. Reconfigure the P/T profile task. Set
Gas flowrate as the Calculated
Variable with an Outlet pressure of
600 psia.
2. Select the blank option from the list
in the first row of the Sensitivity Data
section to clear the values from the
previous exercise.
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Exercise 3. Calculate gas pipeline flow capacity
3. Run the task to determine the flow
rate the pipeline can deliver under the
specified conditions.
 What is the calculated gas flowrate?
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Day 1
Module 2.1 Multiphase flow
calculations
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Exercise 1. Model a multiphase pipeline
1. Use the Fluid manager on the
Home tab to create a multiphase
fluid with the properties shown in
the figure (do not use a fluid
template for this case).
2. Go to the Fluid mapping tab and
map the new Multiphase fluid to
the source.
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Exercise 1. Model a multiphase pipeline
3. On the Home tab, in the Data group, select
Simulation settings.
4. In the Simulation settings dialog box, on the
Flow correlations tab, configure the choices for
vertical and horizontal flow, as shown in the
figure.
5. Reconfigure the P/T profile task, as shown in
the figure.
6. Run the model
7. On the Profile Results tab, select Show Grid
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Exercise 1. Model a multiphase pipeline
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Day 1
Module 3. Oil well performance
analysis
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Learning Objectives
 Perform a Nodal analysis •
 Estimate bottomhole flowing conditions
 Calibrate black oil fluid models with measured pressure, volume, and temperature (PVT) data
 Calibrate multiphase flow correlations with measured flowing pressure and temperature data
 Tune inflow performance relationship (IPR) parameters to match well test data • conduct water
cut sensitivity analysis
 Evaluate gas lift performance
 Design and install an ESP
 Model multiple completions
 Evaluate well performance with an installed downhole choke
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Exercise 1. Well Modelling
You could use the Network-centric workspace
from previous exercises, but in this instance,
you use the well-centric mode instead.
1. From the Workspace tab, launch a new
well-centric workspace. The Insert ribbon
should be active.
2. 2. On the right side of the interface, go to
the Tubulars tab and leave the default
options selected: Simple mode and Wall
thickness dimension.
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Exercise 1. Well Modelling
3. Under Well Tools, on the Insert tab, in the
Tubulars group, select Casing and drag it onto
the wellhead in the schematic. Drop the
casing on the wellhead only when the casing
is green and the green circle is flashing, as
shown in the figure
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Exercise 1. Well Modelling
 On the Deviation survey tab, change the
Survey type to 2D and leave the default
Dependent parameter as Angle.
 Enter the MD and TVD columns for a 2D
survey, as shown in the figure.
 The preview plot automatically updates to
display the deviation survey profile.
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Exercise 1. Well Modelling
 To select the first L80 grade of casing in
the filtered list (8.625” OD, 7.511” ID,
Weight = 49 lbm/ft), select the
corresponding row, then select OK.
 Rename the casing Casing.
 Set the Bottom MD of the casing to 9,000
ft.
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Exercise 1. Well Modelling
 To select the first L80 grade of casing in
the filtered list (8.625” OD, 7.511” ID,
Weight = 49 lbm/ft), select the
corresponding row, then select OK.
 Rename the casing Casing.
 Set the Bottom MD of the casing to 9,000
ft.
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Exercise 1. Well Modelling
 Configure the parameters on the Heat
transfer tab, as shown in the figure.
 . On the Completions tab, add a
completion to the well and configure it.
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Exercise 1. Well Modelling
 Configure the parameters on the Heat
transfer tab, as shown in the figure.
 . On the Completions tab, add a
completion to the well and configure it.
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Exercise 1. Well Modelling
 . On the Completions tab, go to the Fluid
model subtab and select New to create a
new fluid for the completion with the
properties shown
 After you create the fluid, return to the
Reservoir subtab of the main
Completions tab.
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Exercise 1. Well Modelling
On the Downhole equipment tab, add a
Packer at 8,500 ft to prevent flow up the
annulus between the tubing and casing.
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Exercise 2. Perform a Nodal Analysis
In this exercise, you perform a Nodal analysis task for a given outlet (wellhead)
pressure to determine the operating point (intersection of the inflow and outflow
curves) and the absolute open flow potential (AOFP) of the well.
 On the Home tab, in the Task group, select Nodal analysis. The Create nodal
point dialog box opens and prompts you to choose the location of the Nodal
analysis point. The Nodal analysis point divides the system into inflow and
outflow.
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Exercise 2. Perform a Nodal Analysis
 Set the Outlet pressure to 300 psia.
 Rename the case Oil Well Nodal, if
desired.
 Select Run
Results
Operating Point (STB/d)
Operating Point BHP (psia)
AOFP (STB/d)
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Exercise 3. Pressure/temperature profile
1.
2.
3.
4.
Launch the P/T profile task from the Home tab. 2.
Specify Liquid flowrate as the Calculated Variable.
Enter the Outlet pressure of 300 psia
Leave Sensitivity data empty and leave the Default profile plot set to Elevation vs.
Pressure.
Results
5. Run the task
Production Rate (STB/d)
Flowing BHP (psia)
Flowing WHT (deg F)
Depth at which gas
appears (ft)
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Exercise 4. Black oil fluid calibration
1. Launch the Fluid Editor
2. Go to the Viscosity tab and configure the
PIPESIM viscosity model settings, as
shown in the figure.
3. Go to the Calibration tab and enter the
measured data shown in the figure to
calibrate the PVT model.
4. Now the fluid is calibrated
Run the case and share results
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Compare results
Results
Wellhead pressure = 300 psia Uncalibrated
Production Rate (STB/d)
Flowing BHP (psia)
Flowing WHT (deg F)
Depth at which gas appears
(ft)
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Calibrated
Day 1
Module 3. Multiphase flow correlation
calibration
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Exercise 5. Multiphase flow correlation calibration
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Exercise 5. Multiphase flow correlation calibration
1. On the Home tab, in the Application options
group, select Catalogs.
2. Select Survey data catalog .
3. Select New to create a new survey manually.
This selection launches the Survey data editor
dialog box.
4. Enter the survey name, survey type,
measured/interpreted stock tank oil, and the
water and gas flow rates. Leave the default date.
The fluid ratios are automatically calculated.
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Exercise 5. Multiphase flow correlation calibration
5. Leave 2-phase selected for the fluid
phases.
6. Select OK to save the survey.
7. Select Close to exit the catalog.
Before you tune the flow correlations to match
the survey data, examine the default flow
correlations and tuning factors. On the Home
tab, in the Data group, select Simulation
settings. In the Simulation settings dialog box,
go to the Flow correlations tab.
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Exercise 5. Multiphase flow correlation calibration
In the Simulation settings dialog box, go to the Heat transfer tab to review the default
model.
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Exercise 5. Multiphase flow correlation calibration
Launch the Data matching task. On the Home tab, in the Tasks group, select Model
calibration and then select Data matching.
You can run the Data matching task only on single branches, such as a well, a well
connected to a flowline, or a source connected to a flowline.
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Exercise 5. Multiphase flow correlation calibration
Configure the following areas of the task, as shown in the figures: General, Calculated Variable, Regression
Parameter Setup, and Flow Correlations.
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Exercise 5. Multiphase flow correlation calibration
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Exercise 5. Multiphase flow correlation calibration
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Exercise 5. Multiphase flow correlation calibration
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Exercise 5. Multiphase flow correlation calibration
 Select the best calibration case by selecting its check box in the Select Column
 Publish calibrated models and verify that the selected calibrated flow correlation
was correctly published.
On the Home tab, in the Data group, select Simulation settings and then in the
Simulation settings dialog box, go to the Flow correlations tab.
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Exercise 6. Sensitize on the well PI to match performance
1. Launch the P/T profile task used in the
previous exercise. Schlumberger Oil well
performance analysis
2. Reconfigure the task, as shown in the
figure, so that the Liquid PI of the completion
is the calculated variable based on the known
pressure and flow rate data.
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Exercise 6. Sensitize on the well PI to match performance
Run the task.
To see the Productivity index (LPI) value that
matches the actual data, inspect the P/T task
Profile results.
Update the IPR model on the Completions tab
of the well editor with the matched productivity
index value.
To determine the new AOFP of the well, rerun
the Nodal analysis task.
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Results
Match PI (STB/(d.psi)
New AOFP (stb/d)
Previous AOFP (stb/d)
Exercise 7. Well performance analysis
This exercise shows you how to set up and run the system analysis task
 Enter your matched PI value of 8.828 STB/d/psi in the IPR model on the
Completions tab of the well editor.
 Launch the System analysis task from the Home tab.
 Change the Inlet Pressure to 3000 psia.
 Enter the Outlet Pressure of 300 psia (the required minimum wellhead
pressure).
 Select Liquid flowrate as the Calculated Variable
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Exercise 7. Well performance analysis
 For the X-axis variable, select Cpl
(Completion) , then select Water cut.
 Select the Range button to configure
water-cut values of 0% to 50%, in
increments of 5%, as shown in the
figure.
 Run the model to generate a plot of
calculated liquid flow rate vs. water
cut.
Critical Water Cut (%): _______________________
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Exercise 8. Run a nodal analysis task
 Run the model to generate the
Nodal analysis plot and
determine the critical water cut.
It is the water-cut value above
which the well stops flowing.
Critical Water Cut (%): _______________________
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Day 1
Module 3.1 Artificial Lift
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To be covered
The exercises that follow comprise a complete workflow.
 Model the performance of the oil well with Gas lift installed.
 Design and install an ESP.
 Evaluate the well performance.
 Determine the better artificial lift option (from only a performance perspective).
For this task, you have a gas lift availability constraint of 3 MMscf/d and a design
liquid production rate of 6,500 STB/d at 70% water cut.
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Exercise 1. Evaluate Gas Lift Performance
 In the Well editor window, on the Artificial
lift tab, add a Gas lift injection point and
enter the details shown in the figure.
 Launch the System analysis task.
 Configure the task to calculate the liquid
flow rate as a function of the permuted
variables, Injection gas rate, and Water
cut, as shown in the figure.
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Exercise 1. Evaluate Gas Lift Performance
 Review the System results plot and
determine the optimum gas injection
rate for the worst-case water cut
scenario of 70%.
Results
Water Cut (70%)
Optimum Gas Injection
Rate MMscf/d
Liquid Production Rate
(stb/d)
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Exercise 2. Model multiple completions
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Exercise 2. Model multiple completions
The well schematic diagram in the Well editor window is updated with changes
made to the configuration of the well. The flow path indication lines that were green
up to this point have changed to red. This change indicates that the well is
unsolvable in its current configuration.
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Exercise 2. Model multiple completions
 On the Downhole equipment tab, add
a Sliding sleeve at 8,000 ft.
 Select its Active check box.
 Add a second packer at 7,000 ft to
divert the flow of gas from the upper
zone into the tubing.
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Exercise 2. Model multiple completions
 To analyze the effect of perforating
the upper zone, run a P/T profile task
for the existing model, with the worstcase scenario of 70% water cut in
the oil zone.
 On the Profile results tab, select
Show grid.
How much gas is produced from the
upper zone that is self-lifting the well?
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In this module
 What is the purpose of Nodal analysis?
 What is the purpose of performing a fluid calibration with laboratory PVT data?
 What is a flowing gradient survey?
 What is the purpose of calibrating multiphase flow correlations with flowing
gradient survey data?
 What is the purpose of tuning the Productivity Index for the completion to match
well test data?
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Day 1
Module 4. Compositional Modelling Gas Well Modelling
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Exercise 1. Create a compositional fluid model
1. Launch PIPESIM. You will create a
new well-centric workspace.
2. On the Home tab, in the Data group,
select Fluid manager and then select
Compositional to launch the
Compositional fluid editor
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Exercise 1. Create a compositional fluid model
 On the Component/model settings
tab of the Fluid manager, make the
selections shown in the figure
 To add the following components to
the fluid template, select the box next
to each item in the Fluid Components
list. There should be nine
components in total: methane,
ethane, propane, isobutane,
butane, isopentane, pentane,
hexane and water
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Exercise 1. Create a compositional fluid model
 Create a new C7+ pseudocomponent. a. Select New at the top
of the Fluid Components section.
 Enter the Name, Molecular weight,
and Specific gravity for the C7+
component, as shown in the figure.
All other properties are automatically
calculated based on the properties
you specified.
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Exercise 1. Create a compositional fluid model
 To create a new fluid from the
components you just added to the
fluid template, go to the Fluids tab.
 Double-click the row of the new fluids
to open the Fluid editor.
 Enter the moles for each component,
as shown in the table.
The phase diagram is automatically
updated as you enter the moles for each
component.
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Exercise 1. Create a compositional fluid model
 Change the number of moles of
Water in the fluid to 1.89.
A very small amount of a liquid water
phase appears
 Change the number of moles to 1.88.
Notice that the fluid reverts to a
single gas phase.
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Exercise 2. Calculate gas well deliverability
 Construct a simple well model with these listed parameters. Any information not
explicitly provided should be left to its default value in PIPESIM. Fluid model
generated in previous task
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Exercise 2. Calculate gas well deliverability
 Launch the P/T profile task from the
Home tab.
 Select Gas flowrate as the
Calculated Variable.
 Enter an Outlet pressure of 800 psia.
Leave the Default profile plot set to
Elevation vs. Pressure, then select
Run. Review the Profile results (grid
and plot) and record your answers in
the table.
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Results
Gas Rate (MMscf/d)
17.88207
Flowing bottomhole
pressure (psia)
1810 psi
Bottom hole temperature
(degF)
245.27 F
Wellhead temperature
(degF)
175.59 F
Exercise 3. Calibrate the inflow model using multipoint test data
1. Go to the Completions tab of the
Well editor.
2. Change the IPR model to Back
pressure.
3. On the Reservoir subtab, select Use
test data.
4. Set the Test type to Multipoint.
5. Enter the test data listed in the
following table.
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Exercise 3. Calibrate the inflow model using multipoint test data
 Rerun the P/T profile task using the same boundary conditions from the previous
exercise. Record your answers
Results
Well PI
Gas Rate (MMscf/d)
Flowing bottomhole
pressure (psia)
Bottom hole
temperature (degF)
Wellhead temperature
(degF)
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Calibrated
Exercise 4. Choke Modelling
On the Tubulars tab of the Well editor, set the tubing
ID to the optimum tubing size of 3.476 in.
Go to the Surface equipment tab of the Well editor.
Go to the main Insert tab to expose the equipment
that can be added.
Insert a choke and a sink.
Connect the wellhead to the choke using a connector
and the choke to the sink using a flowline.
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Exercise 4. Choke Modelling
 Launch the P/T Profile task from the
Home tab.
 Change the branch end to the Sink
(Sk) to ensure that the flowline and
choke are included in the simulated
profiles.
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Exercise 4. Choke Modelling
Review the Profile results to get the
bean size that is required to match the
specified inlet, outlet, and flow rate
conditions.
Results
Outlet pressure = 710
psia
Choke size
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1.5
Exercise 4. Choke Modelling
 Select the choke on the Surface
equipment tab of the Well editor and
enter the calculated choke bean size
from the previous step.
 Run the P/T profile task with Outlet
pressure as the Calculated Variable.
Review the system and profile results
(plot and grid)
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Exercise 4. Choke Modelling
Results
Choke size= 1.5 in
Static Reservoir
pressure (psia)
Pressure losses across system
Flowing bottom hole
pressure (psia)
Reservoir (psi)
Tubing (psi)
Flowing pressure
immediately
downstream of the
choke (psia)
Choke (psi)
Flowline (psi)
Outlet pressure (psia)
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Exercise 4. Choke Modelling
Results
Choke size= 1.5 in
Static Reservoir
pressure (psia)
Pressure losses across system
Flowing bottom hole
pressure (psia)
Reservoir (psi)
Tubing (psi)
Flowing pressure
immediately
downstream of the
choke (psia)
Choke (psi)
Flowline (psi)
Outlet pressure (psia)
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Day 2
Module 5. Subsea tieback design
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Learning Objectives
size a subsea tieback line and riser
determine the insulation requirements for the
system
determine the methanol injection rate to inhibit
hydrate formation
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Exercise 1. Size the subsea tieback and riser
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Exercise 1. Size the subsea tieback and riser
 Create a compositional fluid with the
properties listed in the table.
 Use the following defaults:
― PVT package: Multiflash
― Equation of state: 3-parameter PengRobinson •
― Viscosity model: Pedersen •
― Salinity model: None
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Exercise 1. Size the subsea tieback and riser
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Exercise 1. Size the subsea tieback and riser
 In the subsequent steps, you
construct a PIPESIM model to
replicate the network in the figure.
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Exercise 1. Size the subsea tieback and riser
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Exercise 1. Size the subsea tieback and riser
 A blank value in the Pipe burial depth
field indicates that the flowline is
lying on the seafloor (not buried)
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Exercise 1. Size the subsea tieback and riser
Save your workspace
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Exercise 1. Size the subsea tieback and riser
Modify the global environmental settings.
a. On the Home tab, in the Data group,
select Simulation settings.
b. In the Simulation settings dialog box,
go to the Environmental tab.
c. Change the ambient air temperature
to 51.8 degF.
d. Change the sea water gradient to
North Sea, as shown in the figure on the
left.
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Exercise 1. Size the subsea tieback and riser
 Vertical flow correlation = Hagedorn & Brown (Duns & Ros map)
 Horizontal flow correlation = Beggs & Brill Revised
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Exercise 1. Size the subsea tieback and riser
Design production rate
• 14,000 stb/d (normal) and 16,000 stb/d (max)
• Turndown: 8,000 stb/d
Arrival Pressure
• Not below 400 psia
Available flowline and riser
• 7.981 in (wall thickness= 0.322), 10.02 in (wall thinkness= 0.365 in) and 12 in (wall thickness= 0.375).
• Both riser and flowline must be the same
The bigger the flowline and riser, higher the cost
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Exercise 1. Size the subsea tieback and riser
 Select the Subsea Manifold and launch the System analysis task.
 Select Outlet pressure as the Calculated Variable
 Enter any value for the Liquid flowrate, such as the normal rate of 14000 STB/d.
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Exercise 1. Size the subsea tieback and riser
 Determine the minimum diameter of the tieback and riser that satisfies the arrival
pressure requirement (> 400 psia) for all flow rates.
Results
Minimum tieback and riser diameters
that satisfy the minimum arrival
pressure constraint of 400 psia for all
flow rates (in)
What other aspects are relevant for the analysis?
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Day 2
Module 5. Subsea tieback design - Hydrates
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Hydrates
Thermal
insulation
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Chemical
Inhibitors
Exercise 1. Select tieback insulation thickness
In this exercise, you update the model
with the tieback and riser ID you selected
in the previous exercise.
 In the Simulation settings dialog box,
go to the Heat transfer tab.
 Select the Hydrate subcooling check
box.
Save your workspace
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Exercise 1. Select tieback insulation thickness
 Launch the P/T profile task.
 Set Outlet pressure as the
Calculated Variable.
 Set the Liquid flowrate to the
turndown rate of 8,000 STB/d.
 Run the task.
Change the Left Y-axis variable to
display Hydrate subcooling delta
temperature.
With the current insulation thickness
of 0.25 in, is there a hydrate risk?
At what point in the system does the
fluid temperature drop below the
hydrate formation temperature?
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Exercise 1. Select tieback insulation thickness
Determine the appropriate insulation thickness
 Increase the thickness in 0.25 in increments.
 Run the P/T profile task until the entire system is hydrate free.
You must honor the constraint that the same
insulation thickness is used on for both the
tieback and the riser.
Results
Required insulation
thickness (in)
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Exercise 2. Determine methanol requirement
Double-click
Subsea tieback and riser
Enter
insulation thickness of 0.5 in to model the scenario
where it is under-insulated
Select
On the Insert tab, select an Injection Point and place it
between the Subsea Manifold and the Subsea Tieback
Connect
The Subsea Manifold to the Injector using a connector.
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Exercise 2. Determine methanol requirement
Launch the Fluid
manager from the
Home tab.
In the Fluid manager,
go to the
Component/model
settings tab.
To add Methanol to
the Fluid Components
list, select the check
box beside it.
Go to the Fluids tab.
To create a new fluid,
select the plus
symbol
Double-click the row
for the new fluid and
rename it Methanol
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Exercise 2. Determine methanol requirement
Enter
100 moles for Methanol in the Components grid and
select Close.
Go
In the Fluid manager, go to the Fluid mapping tab.
Map
The Methanol fluid to the Injector (Inj) by selecting it from
the list.
Exit
The Fluid manager.
Doubleclick
Double-click the Injector.
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Exercise 2. Determine methanol requirement
Specify
A fluid injector temperature of 68 degF and any liquid
flow rate. (This variable is sensitized on when the
simulation runs.)
Select
The Subsea Manifold.
Launch
The System Analysis task.
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Exercise 2. Determine methanol requirement
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Exercise 2. Determine methanol requirement
 From the plot, determine the required minimum Methanol injection rate to maintain
the flowing fluid temperature above the hydrate formation temperature, at every
point in the system. (This rate is the methanol injection rate that achieves a
maximum hydrate sub-cooling temperature difference = 0.)
Results
Required methanol
injection volume (STB/d)
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Day 2
Module 6. Looped gas gathering network
Copyright © 2022 NExT. All rights reserved
Learning objectives
When you complete this module, you will know how to:
 build a network model
specify the network boundary conditions
solve the network and establish the deliverability
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Exercise 1. Model a pipeline network
In this case study, your goal is to establish the deliverability of a production network.
The network consists of three producing gas wells in a looped gathering system that
deliver the commingled stream to a single delivery point.
Rename and arrange them exactly as shown in the next figure.
3
• Wells (Use the simple vertical
template for all wells)
4
• Junctions
1
• Spot report
1
• Three phase compressor
1
• Heat exchanger
3
• Sinks
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Exercise 1. Model a pipeline network
Connect the inserted objects using flowlines and connectors so that the network
diagram exactly matches the figure.
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Exercise 1. Model a pipeline network
Create two new compositional fluids for the three wells based on the compositions
listed in the table.
 Set the PVT package to Multiflash.
 Select the 3-parameter Peng-Robinson
option as the Equation of State.
Leave all other model settings set to their
default values, but name the fluids as listed.
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Exercise 1. Model a pipeline network
 After you create the fluids, use the Fluid manager to map Well_1 and Well_2 to
Fluid_A and Well_3 to Fluid_B.
Save your workspace
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Exercise 1. Model a pipeline network
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Exercise 1. Model a pipeline network
 On the Home tab, in the Data group, select Flowline manager
All the flowlines are now valid. (They are no longer red.)
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Exercise 1. Model a pipeline network
 Double-click the Spt spot report
node.
 Select Phase envelop and
Composition details to be reported in
addition to the Flow map (which is
selected by default).
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Exercise 1. Model a pipeline network
 Double-click the 3PS Separator and
select Gas as the Production stream.
 Leave the default value of 100% for
both the Gas/Oil and Water/Oil
efficiencies.
 Without exiting the Separator dialog
box, select Compressor 1.
 Enter a Pressure differential of 400
psi and an Efficiency of 70%.
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Exercise 1. Model a pipeline network
With the Compressor dialog box still
open, take the following actions:
Select the Heat Exchanger 1.
Enter a Pressure differential of 15 psi.
Enter a Discharge temperature of 120
degF.
Save your workspace
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Exercise 1. Model a pipeline network
 Select Beggs & Brill Revised as the
global vertical and horizontal
multiphase flow correlations
 From the Home tab, launch the
Network simulation task.
 To configure the boundary conditions
for the simulation task, enter the
rules shown in the Pressure column
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Exercise 1. Model a pipeline network
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Exercise 1. Model a pipeline network
 To plot the profile results for the flow
path from Well_3 to the Gas_Sales
sink (annotated in the figure), select
the highlighted branches.
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Exercise 1. Model a pipeline network
Observe the 400 psi pressure boost
provided by the Compressor.
Review the Auxiliary results tab,
select Junction 4_3PS from the
branch list and check the properties
reported for the spot report node
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Exercise 1. Model a pipeline network
 Review the Auxiliary results tab, select
Junction 4_3PS from the branch list
and check the properties reported for
the spot report node
Results
Gas flow rate to gas sales
(mmscf/d)
Oil flow rate going ro Oil
Storage (STB/d)
Water flow rate to treatment
(STB/d)
Flow patter at separator inlet
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Day 2
Module 6. Simple network model on the GIS
map
Copyright © 2022 NExT. All rights reserved
Exercise 1. Build the network model on a map
 Create a new network-centric workspace.
 On the Home tab, in the Viewers and
results group, select GIS map to launch the
GIS map.
 Select Basemaps and then select a
basemap
 Zoom in to a location on the map to build
the network
 Select from the bookmarks: Northridge
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Exercise 1. Build the network model on a map
 Go to the Insert tab and insert a well
anywhere on the map.
 Select the Simple vertical template
To position the well at an exact
geographic location:
 On the Format tab, in the Utilities
group, select Equipment
locations.
 Enter the Latitude and Longitude
coordinates for the well, as shown
in the figure.
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Exercise 1. Build the network model on a map
As closely as possible, insert
additional objects in the locations
that are depicted in the figure. (The
exact locations are not important.)
A second well in the southeast
(use the Simple Vertical template)
 A choke near the first well
One junction
One sink
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Exercise 1. Build the network model on a map
On the Insert tab, in the Connections group, select Flowline.
Draw the flowlines as shown, also the connectors
On the Format tab, in the Show/hide group,
select the Cluster check box.
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Exercise 1. Build the network model on a map
 Capture elevations
― Elevation points check
― Interval: 60 ft
 Add choke information: 1 [in]
 Define dry gas as the production fluid
 Launch the Network simulation task and
specify the boundary conditions shown in the
figure.
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Results
Results
Gas flow rate at Sink (MMscf/d)
Gas flow rate from Well (MMscf/d)
Gas flow rate from Well-1 (MMscf/d)
Differential pressure across Choke (psi)
Outlet Pressure from the Junction (psia)
Your answers will not exactly match the answers in the Answer key
because of slight differences in the way flowlines are laid out in the GIS
map view
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