Production Engineer on Delfi
Steady-state and transient simulations of well and surface facilities
Tools for steady-state and transient simulations of well and surface facilities to identify and mitigate flow assurance challenges.
Olga dynamic multiphase flow simulator
The industry-standard tool for dynamic multiphase flow simulation
Overview
The Olga™ dynamic multiphase flow simulator models transient flow (time-dependent behaviors) to maximize production potential. Transient modeling is an essential component for feasibility studies and field development design. Dynamic simulation is essential in deep water and is used extensively in both offshore and onshore developments to investigate transient behavior in pipelines and wellbores. Transient simulation with the Olga simulator provides an added dimension to steady-state analysis by predicting system dynamics, such as time-varying changes in flow rates, fluid compositions, temperature, solids deposition, and operational changes.
From wellbore dynamics for any well completion to pipeline systems with various types of process equipment, the Olga simulator provides an accurate prediction of key operational conditions involving transient flow.
Applications
The Olga simulator enables key flow simulation applications, including
- liquids handling
- sizing separators and slug catchers
- managing solids
- simulating key operational procedures including start-up, shut-down, and pigging
- modeling for contingency planning
- assessing environmental risk in complex deepwater drilling environments.
Benefits
Maximize production and minimize risk
Successful production system design and operations requires a detailed understanding of multiphase flow behavior. Flow modeling and simulation provides valuable insights into flow behavior, including the physics describing flow through the entire production systems, from reservoir pore to process facility.
The Olga dynamic multiphase flow simulator models time-dependent behaviors, or transient flow, to maximize production potential. Transient modeling is an essential component for feasibility studies and field development design. Dynamic simulation is essential in deepwater and is used extensively in both offshore and onshore developments to investigate transient behavior in pipelines and wellbores.
Transient simulation with the Olga simulator provides an added dimension to steady-state analyses by predicting system dynamics such as time-varying changes in flow rates, fluid compositions, temperature, solids deposition and operational changes.
From wellbore dynamics for any well completion to pipeline systems with all types of process equipment, the Olga simulator provides an accurate prediction of key operational conditions involving transient flow.
Features
Plots saved to the case-configuration
Previously, the plotting configuration for a case was discarded whenever the case was closed. Now, this configuration is saved within the case file, allowing plots to be automatically reloaded when the case is reopened. This enhancement applies to all types of 2D plots.
Plot-series alignment in plots
It is now possible to initialize profile and trend plots with an offset applied to the x-axis—length for profile plots and time for trend plots.
Compare external data with Olga simulations
We’ve introduced powerful new functionality to the plotting tool that enables you to import and compare external data directly with OLGA simulation results.
Symmetry™ process simulation software and PVTSim PVT packages for calculation of inhibitor properties
The PVT package used for calculating inhibitor properties is specified using the INHIBITORPROPERTIES key under the OPTIONS section. In addition to the previously available options—Simple and Multiflash—two new PVT packages are now supported: Symmetry and PVTSim.
Lennard-Jones viscosity model enabled for Multiflash
The Lennard-Jones viscosity model in Multiflash is now enabled for Olga compositional tracking simulations.
Level gradient in steady-state pre-processor
Previously, the level gradient term was not included in the steady-state pre-processor. Now, it is incorporated into the force balance calculations for oil and water layers within the steady-state pre-processor.
Training
NExT Olga training courses
NExT offers a comprehensive training program to support users of the SLB software, plugins, and other software products.
In this section:
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Olga dynamic multiphase flow simulator
The industry-standard tool for dynamic multiphase flow simulationThe industry-standard tool for dynamic multiphase flow simulation.
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Olga Pipeline Management
Ensure fluid flow to maintain production—from pore to processEnsure fluid flow to maintain production—from pore to process.
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Olga Solids Management
Identify when solids form and design mitigation strategiesIdentify when solids form and design mitigation strategies.
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Olga Wells Management
Well production optimization requires understanding of transientsWell production optimization requires understanding of transients.
Helpful links
About SLB