Lurgi's Combined Reforming Process (LCRP) (Fig. 1) is used in 2 and 5-kton MeOH/day plants (the latter to be put on stream in Iran) operating a steam reformer which decomposes less than 50% of desulfurized natural gas feedstock at 450-500degreesC to a CH.-rich (the only hydrocarbon) gas containing H-2 and CO2; the reformer is packed to 70% capacity with a high-activity Ni catalyst. Lurgi's (novel steam) Reformer (adiabatic shell-and-tube with perforated bottoms) requires H2O/C 1.4, uses Flexitubes to connect heated tubes with the cold head, and its exit system for the reformate allows to construct very large units operated at particularly high temperatures and pressures. The exit gas (950-1000degreesC) enters the autothermal reformer to be reformed jointly with the re maining ca. 50% of the by-passed feedstock to yield a MeOH-stoichiometric composition gas (800-1000degreesC, no more than 40 bar) ready for synthesis of MeOH. The:Computational Fluid Dynamics simulations (Fig. 3) allow to design the autothermal reactor and its mixing section. The LCRP energy and O-2 consumption rates are 29-31 GJ/ton MeOH and 3.15 ktons/day, resp.; conversion-per-pass is 80%.