Issues

• Parallel Flow 2026.04 loses mass at one process-border face with the default partition (zoltanwell) on 4 processes; zoltan on 4 processes, and 1, 2 and 8 processes, conserve

  OPM/opm-simulators#7492 · Filter by author tt-larryjin opened on Oct 4, 2026
  3

• Higher well BHP and reservoir pressure in OPM Flow CO2STORE compared to Eclipse E300, and lower CO2 dissolution in brine

  OPM/opm-simulators#7486 · Filter by author Blandinembella opened on Oct 2, 2026
  5

• Flow will not Restart

  OPM/opm-simulators#7475 · Filter by author Mjudt opened on Sep 30, 2026
  7

• flow_comp computes fluxes from face geometry, not from transmissibilities: NNC connections give a residual of 1e190 and MULTX has no effect

  OPM/opm-simulators#7469 · Filter by author aggiecopilot opened on Sep 29, 2026

• No documented SUMMARY/RESTART vector for tracking CO2 content in the reservoir under the PVTSOL (Dynamic EOR) model

  OPM/opm-simulators#7450 · Filter by author Blandinembella opened on Sep 24, 2026
  11

• Compositional: are water in the well model and LRAT control on the roadmap?

  OPM/opm-simulators#7430 · Filter by author aggiecopilot opened on Sep 20, 2026
  1

• Compositional well model assembles only the first connection, silently

  OPM/opm-simulators#7429 · Filter by author aggiecopilot opened on Sep 20, 2026
  1

• Radial model problems

  OPM/opm-simulators#7402 · Filter by author EdmundStephens opened on Sep 12, 2026

• Type curve tool needs additional UDT/UDQ/UDA functionality

  OPM/opm-simulators#7324 · Filter by author EdmundStephens opened on Aug 13, 2026

• Relaxed-CNV pore-volume budget covers most of the grid on graded models

  OPM/opm-simulators#7312 · Filter by author hnil opened on Aug 11, 2026

• WELTRAJ and COMPTRAJ stopped working

  OPM/opm-simulators#7294 · Filter by author HvOeveren opened on Aug 7, 2026
  2

• THPRESFT

  OPM/opm-simulators#7277 · Filter by author gnrteixeira opened on Aug 4, 2026

• Geothermal EGS model issues

  OPM/opm-simulators#7274 · Filter by author EdmundStephens opened on Aug 4, 2026

• compressedIndexForInteriorLGR fails rank-asymmetrically in parallel LGR runs

  OPM/opm-simulators#7261 · Filter by author hnil opened on Jul 31, 2026

• Cartesian->compressed map is stale after LGR refinement

  OPM/opm-simulators#7260 · Filter by author hnil opened on Jul 31, 2026

• Well state and primary-variable handling: direction for the open well PRs

  OPM/opm-simulators#7248 · Filter by author hnil opened on Jul 29, 2026

• 140 assert() calls in opm/simulators/wells/ are inactive in release builds

  OPM/opm-simulators#7247 · Filter by author hnil opened on Jul 29, 2026

• Diverging Newton (water equation) with saturation hysteresis on a large black-oil model — Flow 2026.04

  OPM/opm-simulators#7226 · Filter by author mayur-nawal opened on Jul 20, 2026
  2

• Summary data for hysteresis BGSHY, BGSTRP etc.

  OPM/opm-simulators#7086 · Filter by author EdmundStephens opened on May 24, 2026

• Release 2026.04 testing suggestions

  question
  OPM/opm-simulators#6965 · Filter by author michal-toth opened on Mar 26, 2026 · Release 2026.04
  3

  

• Gas/water relperm test model not running

  OPM/opm-simulators#6920 · Filter by author EdmundStephens opened on Mar 10, 2026
  13

  

• Assignment or adjustment of DEPTH in EDIT section not working

  OPM/opm-simulators#6911 · Filter by author EdmundStephens opened on Mar 8, 2026
  3

• Adding GCONINJE to single water phase case throws an error

  OPM/opm-simulators#6897 · Filter by author slawekszklarz opened on Mar 4, 2026
  1

• Simulation aborted because of the capillary pressure inf and inf are not finite

  OPM/opm-simulators#6821 · Filter by author Origato164 opened on Feb 12, 2026
  1

• VFP Tables in Gas Water Simulation

  OPM/opm-simulators#6817 · Filter by author rayflumerfelt opened on Feb 12, 2026
  3