Maybe I'm misreading something, but I don't understand the discrepancy. According to the wiki article, human output is 363 megatons/year. 111,000 lb/hr = 55.5 tons/hr = 0.5 megatons/year. Still a lot though!
> In Turkmenistan, EMIT identified 12 plumes from oil and gas infrastructure east of the Caspian Sea port city of Hazar.[1]
That's around 50 miles away from the eastern edge of a 750 mile wide country which is covered in oil fields and refineries[2].
[1]: https://www.nasa.gov/feature/jpl/methane-super-emitters-mapp...
[2]: https://www.researchgate.net/profile/Ippa-Uca/publication/31...