The Eclipse™ industry-reference reservoir simulator offers the most complete and robust set of numerical solutions, for fast and accurate prediction of dynamic behavior, for all types of reservoirs and development schemes. The Eclipse simulator has been the benchmark for commercial reservoir simulation for more than 40 years due to its robust capabilities, speed, parallel scalability, and unmatched platform coverage. The simulator covers the entire spectrum of reservoir modeling, including black-oil, compositional, thermal, and streamline simulation.

Eclipse 2024.1

Additional inflow control device information in RFT reports

RFT reports for wells containing inflow control devices (ICDs) in both E100 and E300 have been extended to include three new items: ICD length, scaling factor, and maximum flow rates at segment conditions. These can be useful for quality checking the inflow performance for these devices, and can be visualized from Petrel.

Direct regrouping of wells

A DIRECT option has been added to item 2 of the WREGROUP keyword. This allows unconditional transfer of wells to a new group, which should prove useful in several field management scenarios such as regrouping wells to different manifolds, facilities, or production targets.

New and improved functionality

Eclipse 100 and Eclipse 300

• Validation has been improved for xxxREG keywords to avoid incorrect diagnosis of data errors.

• Validation has been improved to ensure clean termination when an unsupported option is requested in a parallel run.

Eclipse 100

• An issue which could cause the simulator to hang when reporting local grid well vectors in parallel has been fixed.

• A problem with the transmissibility calculations for radial grids with NTHETA=2 and circle completion requested has been fixed.

• Validity checking has been improved for the WREGROUP keyword.

• Checking for phase end-points has been improved to avoid inequality warnings about values with tiny numerical differences.

Eclipse 300

• An issue which could cause unexpected termination of decks when issues in the VFP tables caused

network flow calculation problems has been fixed.

• Summary vector output has been corrected for a number of lumped completion keywords in global and local grid wells.

• RPTxxx mnemonics for which '=(n)' is valid in Eclipse 100 but not Eclipse 300 are now treated as if the '=(n)' had not been supplied, rather than ignored as an invalid mnemonic.

• RPTGRID and RPTGRIDL processing has been improved. The ALLNNC mnemonic now generates one set of PRT output containing NNCs for all grids, and a problem which could cause DIFFX/Y/Z and AREAX/Y/Z output to be dependent on mnemonic order has been fixed.

• Real values in messages are no longer truncated to 8 characters, avoiding a situation where the exponent could be truncated.

• Messaging about well BHP exceeding the critical pressure of water has been improved in parallel runs to avoid a large amount of duplication and incorrect block indexes.

• The behavior for thermal datasets which do not use the component and density type keywords has been restored to the pre-2023.1 method. CVTYPE is used to determine TCRIT for DEAD and GAS components in these cases.

• Reporting has been improved for decks with the NONNC keyword to clarify that circle completion and pinchout connections have not been generated.

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