Pipe Sim 20091

PIPESIM in PerspectiveWhat’s New in 2009

Daniel Lucas-ClementsDaniel Lucas-Clements

Product Champion – Production Solutions

Schlumberger Information Solutions

© 2009 Schlumberger. All rights reserved.

An asterisk is used throughout this presentation to denote a mark of Schlumberger. An asterisk is used throughout this presentation to denote a mark of Schlumberger.

Other company, product, and service names are the properties of their respective

owners.

Agenda

� PIPESIM* Overview and Development Strategy

� Recent Innovations 2006–2008

� What’s New in PIPESIM 2009

� Next Release and Beyond

� In Summary

What is PIPESIM?

Steady State Multiphase Flow Simulator, modeling:

� Well Inflow – including detailed completion models

� Operations – Nodal Analysis, Sensitivity Analysis

� Networks – any size – tested up to 1500 branches

� Surface Pipelines – Multiphase Flow, Heat Transfer

Overview 2006-2008 New in 2009 The Future Summary

� Surface Pipelines – Multiphase Flow, Heat Transfer

� PVT – Blackoil, Compositional – Multiflash, SIS Flash, plus solids modeling of Hydrates, Wax and Asphaltenes

� Wellbores – including Gas Lift, ESPs, Rod Pumps

PIPESIM accurately models production systems to diagnose system constraints, evaluate proposed system changes and optimize production.

Workflows that PIPESIM supports include:� Well Design & Analysis / Nodal Analysis

� Well Optimization

What is PIPESIM used for?


5

� Well Optimization

� Artificial Lift Design & Analysis

� Pipeline Sizing

� Equipment Design (chokes, compressors)

� Network Debottlenecking

� Gas Lift Optimization

� Flow Assurance

� Field Planning

� Enhance the capabilities of recently added functionality

� Support the objectives of Avocet Integrated Asset Modeler

� Add specific optimization and management workflows

� Support key client workflows

PIPESIM’s Development Strategy


� Support key client workflows

� Target new generalized features based on customer benefit

PIPESIM 2006

� Complete re-factoring of calculation

engines – up to 10 times faster

� Release of Linux engines

� Gas Lift Design improvements

PIPESIM 2007

� Extension to Heavy Oil simulation

� Enhanced flowline integrity with

Erosion/Corrosion

� Improved Flow Assurance with


Recent Innovations

� Gas Lift Design improvements

� Improved flow maps

� Wax and Asphaltene calculations

� Open Link Integration improvement

� Coupled Model improvements

� Improved Flow Assurance with

advanced Emulsion Models

� Ability to model Smart Completions

with Flow Control Valves (FCVs)


� Advanced Flow Correlations from

TUFFP and OLGA

PIPESIM 2007 – The TOTAL Production SystemChoke

Flowline

Pump

Compressor

Separator

Riser

gas

Erosion & Corrosion

Heavy Oil & EmulsionsPipeline Pipeline

IntegrityIntegrity

Flow Flow IntegratedIntegrated

PIPESIM 2007 – The Total Production System solution realised


Completion

Safety Valve

Tubing

Export lines

Reservoir

oil

Shell Flow Correlations

OLGA S 2000

Tulsa University

Enhanced Flow CorrelationsFlow Control Valves

Smart mart WellsWells

Better Solutions to Today’s Workflows

Flow Flow AssuranceAssurance

IntegratedIntegratedOperationsOperations

Wax Deposition

New Schlumberger-DBR wax deposition modeler

Equipment Solver

• User can now specify all three boundary conditions (flow, inlet pressure, outlet pressure)

• PIPESIM calculates the value of any other variable, such as the completion PI, a choke bean diameter or a pump power settingRamey Heat Loss

Smart Wells• Extensions to Flow Control Valve Modeling• New Algorithm for solving Multilayer Injector Wells

Network Constraints• Automatic chokes to adjust flow to meet flow rate constraints


New in 2008.1

Liquid Loading• 4 Liquid Loading (LL) Methods

• LL calculations now performed along the entire length of the well

pump power settingUpdated Flow Correlations

• Olga 5.3

• Olga on 32 bit Linux

Ramey Heat Loss• Addition of conduction heat loss correction (from a length of tubing to the rock formation)

Automated Data Matching• Tune the model to match measured pressure and / or temperature data

• Uses Aurum optimizer to get best match possible

Updated EOS Flash

• Multiflash 3.6 on Linux

• 2-phase ECLIPSE flash to accurately match reservoir simulation results

� Enhanced solving capability for complex flow paths in Multilayer Wells

� Enhanced Wax Deposition Modeling & Wax Sensitivity Analysis

� Enhanced (flow regime dependent) Inside Film Coefficient

What’s new in 2009.1


Coefficient� New method for shallow or partially buried pipe heat loss� Enhanced Enthalpy/Temperature calculation� New Rod Pump Simulation� New Flow Correlation/U-regression interface� New Ramey Heat Transfer interface

Enhanced algorithm to solve reverse flow in multilayer wells

Can now handle:1

2

1+2

PRODUCER

1

2

1-2

PRODUCER

1

2

2-1

PRODUCER

1. Valid Case 2. Valid Case 3. Valid Case


Solving complex flow paths in Multilayer wells

Can now handle:

� Flow downward in a producer

� Flow upward in an injector


1-2

2

1

INJECTOR

1+2

2

1

INJECTOR

2

1+2

1

INJECTOR


� Wax Module jointly developed by Schlumberger-DBR

� Wax properties file can be obtained through detailed fluid characterization at Schlumberger-DBR facility or generated using DBR Solid

DBR Solid standalone Application


Schlumberger-DBR wax deposition modeling

12

generated using DBR Solid standalone application

� New sensitivities for 2009

� 2 Phase Oil/Water modeling available as a service

Single phase module now available to all PIPESIM us ers

WaxProperty.dbrwax

Select WaxModel

SetLimits

Run Model & View Results

Set WaxProperties

Wax Modeling Workflow

13

Limits

Wax results can be viewed from all operationsAdd Sensitivities

� New 2 Phase flow IFC Model

� Developed by TUFFP

� Considers effect of Flow

Regime on IFC (important for

heat transfer and wax


Enhanced Inside Film Coefficient

14

heat transfer and wax

deposition)

� New method to calculate HTC for

shallow or partially buried pipes,

developed in conjunction with Reading

University

� Utilizes 3 dimensional interpolation of


New Buried Pipe Heat Loss Method

1

5

Z = +ve

Z = -ve

Z

R

Ground Z=0

Finite Element Analysis

Three methods supported:

� PIPESIM Original

� Mackay

� Ovuworie

� New Rod Pump model for single

branch and network modeling

� Accessed via equipment menu

in tubing

� Gas separation and remixture at

surface


New Rod Pump Simulation

16

surface

� Enhancements made in the way PIPESIM handles Potential/Kinetic Energy as well as Ambient film HTC

∑ −=

++∆ sM WQdmgzuH δδ2

2

1


Enhanced Enthalpy/Temperature Calculation

17

Ambient film HTC

� Previous method can be selected via engine keywords

∑

sM2

Q = U A (TFluid – TAmbient)

� Used for Pressure/Temperature matching between PIPESIM and measured data

� Works with an optimizer algorithm that minimizes the ‘RMS’ error between measured value (ei) and PIPESIM

( )( )( )

n

huffPcPehuffP

n

iii

RMS

∑=

−= 1

2,,

( )( )( )

n

UTcTeUT

n

iii

RMS

∑=

−= 1

2


New Flow Correlation/U-regression Interface

1

8

measured value (ei) and PIPESIM computed value (ci)

� Correction factor for regression parameters (Friction & L.Holdupfactors – P Match; U-factor – T Match) are calculated, displayed and sorted by degree of correction

n

Flow Correlation/U-regression Workflow

Load Measured Data

Set Regression Parameter and Limits

Run Operation &View results

Update Model

� Ramey Model predicts heat transfer between wellbore and surrounding rock as a function of time� Small Time (Transient state)

� Large Time (Steady State)

� PIPESIM 2009.1 has implemented

Parameter Description Unit

U Overall Heat Transfer Coefficient Btu/hr/ft2/F

ro

Pipe segment outer radius (typically pipe + coatings) ft

ri Pipe segment inner radius ft

RP Pipe thermal resistance – Calculated Hr-ft-F/Btu

RR Rock thermal resistance – Calculated Hr-ft-F/Btu

KP Thermal conductivity of the pipe Btu/hr/ft/F


New Ramey Heat Transfer Interface

� PIPESIM 2009.1 has implemented Large Time option as under:

KP Thermal conductivity of the pipe Btu/hr/ft/F

KR Thermal conductivity of the rock Btu/hr/ft/F

f(t)Time dependent function (intermediate variable)

α Diffusivity ft2/hr

c Rock heat capacity Btu/lb/F

t Time Hr

γEuler gamma constant (Typical value = 0.577) -

ρ Ground density lb/ft3

RPo RRrU

+⋅

⋅⋅= 1

2

1

π( )

P

ioP K

rrR

⋅⋅=

π2

ln

RR K

tfR

⋅=

π2

)(

22ln

2ln

2

1)()( 0

121

γα

γηη −−=−−≈≈t

rEtf oo

c

KR=α 577.0≈γ

Setup Tubing and Rock HeatTransfer Properties

Run Model & View Results

Ramey’s Heat Transfer Workflow

� Modeling of valves and fittings via keywords

� 64-bit PIPESIM Engine executables for Windows

HPC

� Enhanced network performance


Additional Enhancements in 2009.1

22

� Enhanced network performance

� Enhanced PS Plot

� PIPESIM Multiflash update

� PIPESIM OLGA-S update

Production Design

and Simulation Flow Assurance

and Optimization Enhanced Engineering

for Operations

OverviewOverviewOverviewOverview 2008/92008/92008/92008/9 2009+2009+2009+2009+

� Steady State Multiphase Well � Regress Flow & Heat � Flow Assurance workflows


PIPESIM – Next Steps

� Steady State Multiphase Well

and Network Simulator

� Well Hydraulic Design (Inflow,

Completion, Artificial Lift)

� Core Engine for OFS Answer

Products (AL, TST, CPL)


� Open API – Integrated in

Avocet IAM, DECIDE! OFM

� Regress Flow & Heat

� Multilayer Inj. Wells with Valves

� Enhanced Liquid Loading

� Flow Assurance (Wax Dep’n)

� Heat Transfer Improvements

� Engine Performance

� Gas Lift Optimization II

� Rod Pump Modeling in Network

� Customer driven requirements*

� Flow Assurance workflows

� Smart Well workflows

� Performance Improvements

� Newton Engine …

� Petrel Integration for VFP Tables

� Network Sensitivity - Generalized

Optimization

� Visualization and results

enhancements, tighter coupling with

Avocet IAM, ECLIPSE

� Model multiphase flow from the reservoir through production facilities to the delivery point

� Model complex production networks and capture the interactions between wells, pipelines and process equipment

� Perform a comprehensive sensitivity analysis at any point in the hydraulic system using


PIPESIM – Summary Benefits

24

at any point in the hydraulic system using multiple parameters

� Simulate the field production system to improve production, make better decisions and maximize your asset value

� Achieve an integrated sandface to process facility analysis using an integration link with the HYSYS process simulator

Pipe Sim 20091

Documents

Transcript of Pipe Sim 20091