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Original composition and element contents of the crude oil (provided by PetroChina Dagang Oilfield Company).
| Components of crude oil (%) | Saturate hydrocarbons | Aromatic hydrocarbons | Resin | Asphaltene | |
|---|---|---|---|---|---|
| 57.2 | 28.6 | 10.7 | 3.5 | ||
| Element contents (%) | C | H | S | N | O |
| 85.67 | 13.40 | 0.12 | 0.23 | — |
