ANNOUNCING A NEW RELEASE OF ECHELON

ANNOUNCING A NEW RELEASE OF ECHELON
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Stone Ridge Technology and our consortium development partners at Eni are pleased to announce the latest release of ECHELON software. This release provides users with these new features:

Residual oil saturation

ECHELON now supports residual oil saturation for compositional models, allowing users to ensure that neither flow nor vaporization can cause the oil saturation in a cell to drop below this set value. Users may select the way relative permeability and compressibility are adjusted from a variety of options.

Improvements to ECHELON-FNS coupling

Users can control certain aspects of an FNS network coupled to ECHELON from within the ECHELON input data. In general, network nodes can have minimum, maximum, or specific pressure constraints defined, though terminal nodes may have only constraints in which the pressure is specified. Network branches (connections) may be opened, closed, or have their pressure drop computation method modified, and the FNS controls may be removed from wells during the ECHELON run, causing group rates and well constraints to be applied by ECHELON.

Users have the option to force a pre-balancing step prior to execution of ECHELON coupling with FNS during a timestep; this often provides better results for wells controlled by group rates.

ECHELON reservoir coupling (ERC) enhancement

ECHELON now supports coupled reservoir models in which some reservoirs have black oil fluid characterizations while others have compositional fluid characterizations.

Constraint definition based upon control and observed data for history

Files which contain well control modes and observed data can be consumed by ECHELON and converted internally to constraints appropriate for history matching.

Alternative guide rate computations

Well guide rates for group controls may be computed from the deliverability of each well, rather than the well potentials. This can lead to better matching of results for models converted from other reservoir simulation software environments.

Please contact Stone Ridge Technology to obtain this 2024.2 release of ECHELON for commercial use, for trial projects, or for additional information on ECHELON capabilities.