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re: “Name brand” gasoline
Posted on 5/16/24 at 3:02 pm to CitizenK
Posted on 5/16/24 at 3:02 pm to CitizenK
Crude Oil is segregated by two things, lube approved and non lube approved. Lube feed is what's used to make the motor oils. An yes, much like gasoline, lube stock is made for all companies. Quaker State says, made from Pennsylvania Grade Crude Oil. Which all are Pennsylvania Grade. As with mogas, the recipes for all are known. Yes, Exxon makes Castro, QS, Mobil One, an so many more. Same with gasoline, they use the term Exchange Grade. Large refineries may run a dozen or so different crudes. Mogas is a blend, certain products are added to improve octane.
This post was edited on 5/16/24 at 3:05 pm
1
Posted on 5/16/24 at 4:28 pm to LSUDad
quote:
Crude Oil is segregated by two things, lube approved and non lube approved. Lube feed is what's used to make the motor oils
Not the case. Refinery feedstock for base oil (foundation for all lube oil) used to be from paraffinic crude oil, which we had plenty of in the USA. Quaker State and Pennzoil are both owned by Shell. They are using a lot of base oil from Shell's Pearl GTL plant in Qatar. This GTL plant produces 100% paraffinic sulfur free syncrude and its very waxy. It has to be hydrocracked into products. Naphthenic crude can be hydrotreated and isomerized into paraffinic base oil and why called synthetic. Being a paraffin doesn't actually mean a wax it's the type of carbon atom chains.
There is no more Pennsylvania paraffinic crude oil to refine any longer. There is condensate from tight shale formations but called crude oil only because congresscritters legally changed that definition in the 1970's as part of the legislation which approved TAPS, aka Alaskan Pipeline.
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