Schlumberger Symmetry 2022.1

Symmetry process software platform captures all aspects of your models, from reservoir to product distribution. The Symmetry process software platform offers a unique opportunity to model your process workflows in one environment, integrating pipelines, networks, and facilities models, while ensuring consistent thermodynamics and fluid characterization across the full system. This approach enables companies to optimize processes in upstream, midstream, and downstream sectors, maximizing profits and minimizing capex.

v2021.1 (March 2021 – Symmetry Release)

Thermodynamics

+ Added 43 new fluids from REFPROP Release 10.0 to VMGREFPROP property packages
+ Added Hydrocarbon Saturation and Carbon Number to the list of pure component properties
o Improved liquid density predictions in APR and APRNG2 for binary mixtures of water + 1,3-propylene glycol and water + 1,2-propylene glycol
o Improved saturation pressure predictions in APR and APRNG2 for binary mixture of CO2+1,2-propylene glycol
o Improved saturation pressure, heat capacity, and thermal conductivity predictions in APRNG2 and saturation pressure and thermal conductivity predictions in APR for 1,2-propylene glycol
o Improved saturation pressure, heat capacity, and thermal conductivity predictions in APRNG2 and thermal conductivity predictions in APR for 1,3-propylene glycol
o Updated Hydrogen Standard Liquid Density in database based on the value from the GPSA Engineering Data Book 13th edition
o Updated VMGREFPROP property packages with fluids and libraries from REFPROP Release 10.0
x Fix to converge Saturation unit operation when the Main Feed is close to the dew point
x Fixed calculation of Thermal Expansion Coefficient in VMGREFPROP property packages
x Fixed Phase Weighted Average Speed of Sound method when dealing with bulk liquids
x Hydrate status has been updated to reflect unresolved material port
x Improved error messages when recalling cases that contain components or interaction parameter tables not in the database

Flare Workspace

+ Added nozzles to steady-state relief valve, including automatic calculation of expansion/contraction effects with kinetic energy tracking. Default sizes set based on selected API designation
x Fixed missing error message when there are consistency errors in a case with a Flare flowsheet

Pipe Workspace

x Fixed convergence issues in steam network modeling by stabilizing temperature calculation
x Region settings with a non-period decimal symbol will no longer cause network case conversion to fail

Dynamics

x Fixed an issue where cases with multi-sided exchangers would fail to run after recalling due to incorrect number of equations and variables
x Fix HX Rating (dynamics) predicting 0 UA when inlet is slightly two-phase but outlet/holdup is single-phase

Unit Operations

+ (Mixer) Add ROM engine UI to Mixer
x (Compressor) Pasting values in a new compressor curve will now maintain precision
x (Process Calculator) Fixed a spurious error message when deleting a process calculator cell

Documentation

+ Added Desalter example page to the Symmetry user’s manual
+ Added Specifications Summary page to the Symmetry user’s manual
o Symmetry Excel COM Automation examples can run in 32- and 64-bit without requiring user modifications
o Updated Excel Add-in documentation regarding out of process automation mode

Miscellaneous

o Symmetry upgraded to use .NET Framework 4.8
x Fix crash that can occur when changing the strip chart axes min or max value
x Fixed instability of High charts plot when left running for a few days
x Fixed row and column headers in Case Study Results tab when using the XYZ Table view
x Fixed VMG Standalone Server not processing HTTP server requests without user input