 Petroleum coke Chemical formula, but did you check ... Petroleum coke Chemical formula We Offer Package Design, Package Consulting, Warehousing and Logistics, & On-Time Delivery. Fast Shipping On In-Stock Orders, 000% Satisfaction Guaranteed Petroleum coke, abbreviated coke or petcoke, is a final carbon-rich solid material that derives from oil refining, and is one type of the group of fuels referred to as cokes.Petcoke is the coke that, in 