Wow, thanks, H20 would have to be slung out via centrifugal force or some other means, CO would go along for the ride with the N, the H2S, ouch that is nasty, you got me on that one...
They are not all that bad, but I see the biggest problem is the fast falling flow rate. You have to size for the max and still run at the bottom.
And the volume for these just isn’t worth it economically. They are not gas wells, they are oil wells with a little bit of gas. But to shut in the gas, you shut in the oil.
Trust me, if it was economic to hook up, it would already be done. Don’t forget even a little generator hooked up for permanent installation will have to meet all the EPA emission requirements. A nitrogen rich fuel is going to have even more problems than normal keeping the NOX level low.