Res2DInv 2026.2.1: 2D Resistivity & IP Inversion Software

Res2DInv 2026.2.1 is a maintenance update from Seequent (formerly Geotomo Software), released in 2026. It fixes an import error found in version 2026.2 and inherits the major workflow enhancements introduced in that release.

Key Updates in 2026.2.1

This version primarily fixes an import error that could occur during inversion when using instrument data importers or importing specific .dat file formats.

Features Inherited from 2026.2

Integration with Seequent Tools

  • Export crooked sections as georeferenced Geosoft grid formats

  • Maintain spatial alignment in Oasis montaj and Leapfrog

Complete IP Decay Workflow

  • Clean and review IP decay data during QC

  • Optimize processing without repeating earlier cleaning work

  • Compare IP decay data consistently across different views

Other Practical Improvements

  • Use fixed regions and water surfaces in model setup

  • Reuse inversion settings from existing results

  • Undo recent processing steps without restarting the software

Res2Dinv 2026.2.1 download