| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| secondary extraction of petroleum | 1.42 | 0.4 | 1969 | 24 | 33 |
| secondary | 0.58 | 0.3 | 5899 | 8 | 9 |
| extraction | 1.38 | 1 | 7239 | 68 | 10 |
| of | 1.04 | 1 | 2275 | 56 | 2 |
| petroleum | 0.3 | 0.3 | 2229 | 39 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| secondary extraction of petroleum | 1.73 | 0.3 | 9826 | 63 |
