| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| by products of petroleum refining | 0.18 | 0.7 | 4520 | 53 |
| products produced by petroleum refining | 1.08 | 0.3 | 6912 | 78 |
| products obtained by refining petroleum | 1.37 | 0.4 | 5324 | 74 |
| by products of oil refining | 0.15 | 0.7 | 9185 | 79 |
| byproduct of petroleum refining | 0.59 | 0.8 | 3318 | 76 |
| products of crude oil refining | 0.99 | 0.7 | 6412 | 90 |
| manufacture of refined petroleum products | 1.27 | 0.7 | 9977 | 79 |
| by products of oil refinery | 0.22 | 0.2 | 5601 | 31 |
| what is petroleum refining | 0.65 | 0.8 | 3168 | 65 |
| petroleum refining and related industries | 0.64 | 0.3 | 7797 | 30 |
| refined petroleum products list | 1.27 | 0.8 | 5556 | 70 |
| modern petroleum refining processes | 0.57 | 0.9 | 3461 | 84 |
| how is petroleum refined | 1.88 | 0.3 | 5660 | 25 |
| refining of crude petroleum | 1.57 | 0.9 | 4718 | 55 |
| refined products of crude oil | 1.5 | 0.8 | 6767 | 11 |
| which process refines petroleum | 0.1 | 0.7 | 6948 | 99 |
| crude oil refinery products | 1.4 | 0.8 | 1074 | 44 |
| what do oil refineries produce | 0.53 | 0.4 | 5161 | 64 |
