| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how is petroleum oil extracted | 1.34 | 0.9 | 4164 | 37 |
| how is oil extracted | 1.79 | 0.6 | 9389 | 95 |
| how petroleum is formed and extracted | 0.25 | 0.4 | 9358 | 93 |
| petroleum is extracted by | 1.74 | 0.1 | 9922 | 87 |
| how is petroleum extracted from the earth | 0.36 | 0.5 | 5250 | 55 |
| how crude oil is extracted | 1.05 | 0.9 | 8097 | 99 |
| how is oil and gas extracted | 1.52 | 0.2 | 8837 | 83 |
| how is oil extracted from the ground | 0.75 | 1 | 234 | 5 |
| how petrol is extracted | 0.7 | 0.6 | 8440 | 63 |
| how is gasoline extracted from crude oil | 0.68 | 0.3 | 5615 | 68 |
| how is oil extracted from the earth | 0.24 | 0.3 | 2290 | 14 |
| how is oil extracted from plants | 1.05 | 0.4 | 3870 | 72 |
| how to extract petroleum | 1.8 | 0.8 | 3137 | 71 |
| how is petroleum obtained | 1.12 | 0.8 | 3112 | 84 |
| how do we extract oil | 1.65 | 0.3 | 8128 | 77 |
| process of extracting oil | 0.19 | 1 | 2279 | 35 |
| how do we extract crude oil | 0.1 | 0.8 | 7678 | 73 |
