| Fluid Properties Modules | |
| two phase water | EOS1 (TOUGH2/2.1/3*, TOUGH2-MP and TOUGHREACTv1.2/2/3.32*) |
| water and CO2 | EOS2 (TOUGH2/2.1/3*, TOUGH2-MP and TOUGHREACTv1.2/2/3.32*) |
| water and air | EOS3 and EOS4 (TOUGH2/2.1/3*, TOUGH2-MP and TOUGHREACTv1.2/2/3.32*) |
| water and hydrogen | EOS5 (TOUGH2/2.1/3* and TOUGH2-MP*) |
| water, brine, and air | EOS7 (TOUGH2/2.1/3* and TOUGH2-MP*) |
| water, brine, air, and radionuclides | EOS7R (TOUGH2/2.1/3* and TOUGH2-MP*) |
| saturated/unsaturated flow | EOS9 (TOUGH2/2.1/3* and TOUGHREACTv1.2/2/3.32*) |
| water, NaCl, non-condensible gas | EWASG (TOUGH2/2.1/3* and TOUGH2-MP*) |
| water, CO2, and NaCl | ECO2N (TOUGH2/2.1/3* and TOUGHREACTv1.2/2/3.32*) |
| water, CO2, and NaCl, including super- and sub-critical conditions, and phase change between liquid and gaseous CO2 | ECO2M (TOUGH2.1/3*) – requires the purchase of the ECO2M* executable through LBL |
| CO2 or Nitrogen in natural gas (methane) reservoirs | EOS7C (TOUGH2/3*) – requires the purchase of the EOS7C* executable through LBL |
| water, air, and volatile organic compound | T2VOC |
| water, air, and up to 19 volatile organic compounds | TMVOC |
*PetraSim includes free executables for the TOUGH v2, TOUGHREACT v1.2 and TMVOC v2.0 simulators. Newer simulators such as TOUGH3 and TOUGHREACT v3.32 need to purchased through LBNL and in addition to the PetraSim interface. You can find pricing on the LBNL TOUGH webpage. TOUGH v2.1, TOUGHREACT v2 and TOUGH2-MP are no longer supported or available through LBL, but can still be accessed through the PetraSim interface by customers who purchased these simulators in the past.