ExxonMobil reported a release of hydrogen sulfide gas Friday at its 634,400 b/d Beaumont, Texas, refinery ... which is operated by Dow Jones & Co. OPIS is run independently from Dow Jones ...

A hydrogen sulfide leak at Pemex's Deer Park refinery near Houston operated by Pemex killed two workers and triggered shelter-in-place orders for nearby residents in October. ExxonMobil's Beaumont ...