What's New in 2026.02

Ensemble Import

Realizations can now be excluded when importing ensembles using !. For example, the expression 1-7, !4-5 produces the list [1, 2, 3, 6, 7].

See Ensemble File Dialog for details.

Validation and Consistency

A valid range can now be defined for variables in the project file. During import, values outside the specified range will be clamped to the valid range.

Telemetry and Log Reporting

ResInsight produces log messages, warnings, errors, and crash reports. These have previously been stored on the local file system. They can now optionally be sent to a cloud logging service, improving visibility into error situations and enabling an overview of selected application usage metrics.

Visualization of Well Segments

WELSEGS can be exported from ResInsight. It is now possible to visualize the segments along the well path for QC purposes. Clicking a segment displays segment data as text. Segment boundaries can also be shown as annotations in well log plots. See Visualization of Well Segments for details.

Calculator Expressions

  • Improved handling of mixed upper and lower case
  • Fixed issue with nested aggregation functions. The following expression now works correctly: a := min(if(b>3, 5), 50)

Simulation Modeling Improvements

Summary Plotting

  • Added support for calculation of block vectors in the form BPR:15,28,1
  • Fixed issue for _DIFF vectors when only the Mean statistics curve was visible
  • Improved interpretation and display of network summary vectors
  • Fixed issue when switching to “Time From Simulation Start” for ensemble realizations
  • Custom ensemble percentiles are now supported. See User-Defined Percentiles for details.
  • Avoid time axis zoom when stepping vectors for ensemble curves

Surface Display Mode

When a surface cuts through a grid model, z-fighting and visual noise can occur where the surface and result geometry overlap. A new Surface Display Mode setting has been added at both the surface collection level and per individual surface, allowing control over whether to show the surface color, result colors, or both. See Surface Display Mode for details.

Fixes and Improvements

  • Dual Porosity: When computing COMPDAT for dual porosity models, ResInsight now reads all input values from the Fracture result section. When exporting COMPDAT and similar data to file, the K index for fracture results is used.
  • Fixed issues with field units in VFP plots
  • Fixed issue for RMS well paths with spaces in the name
  • Fixed issue with the user interface for statistical ensemble surfaces
  • Fixed issue with formation dip for fractures
  • Improved display of formation colors in 2D plots (well log plots and RFT plots)