New Mobil "Full Synthetic" at AZ

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I'm sure all oil companies upgrade all the time.....but single companies market - not set universal standards. Hence the I don't know if 'Group II+' is an 'official' thing - so to speak.
 
Originally Posted by aquariuscsm
What exactly is EHC base stock? They're inferring it's not group 3. Is it Pao,Visom,ester?


EHC is a lower grade HC stock … a higher grade GrpII
Visom is only from UK and France … most US stuff comes from the Texas coast
 
Not to make a unique product line.

A plant shut down will have minor upgrades of the same type of process line … but mostly major PM's and certification of like for like components. Valves, piping, PRV's, rotating equipment, GTG or mechanical drives (turbine) would be good examples
 
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