The petroleum coke market's future potential and emerging opportunities Here is the link where you may request an inquiry: https://www.stellarmr.com/report/enquire_now/Petroleum-Coke-Market/479 Petroleum coke, sometimes referred to as coke or petcoke, is a solid that contains a lot of carbon and is created when crude oil is refined. It is a kind of coke made from long-chain petroleum by a thermo-based chemical engineering process called final cracking in coker units.