Flammability of methane at high pressure

[LordKelvin]

I am seeking information / guidance on the flammability of methane when it is mixed with nitrogen that contains a residual 5 mole % oxygen content. The system opertaing pressure is around 100 barg. Any advice very much appreciated, thanks

 

[25362]

The following threads may shed some light:

thread283-99596, thread798-33615