how does oil shale form

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
how does oil shale form	0.17	0.6	9715	50	23
how	1.6	0.5	9424	72	3
does	0.35	0.4	3462	36	4
oil	0.89	0.1	5389	74	3
shale	1.71	0.5	9364	2	5
form	1.51	0.8	6283	51	4

Keyword	CPC	PCC	Volume	Score
how does oil shale form	0.36	0.6	6254	4
how does oil shale differ from shale oil	0.05	0.7	2779	60
how is shale oil formed	1.07	0.6	3252	62
green river shale oil formation in colorado	0.06	0.2	4617	14
green river formation shale oil	0.76	0.1	3685	26
what is oil shale what form is the oil in	0.07	1	1200	8
shale oil formations	0.08	0.1	507	16
oil shale	1.73	0.3	9292	59
oil shale 7 days to die	0.71	0.3	9227	36
oil shale definition	1.39	0.5	4153	57
oil shale extraction	1.48	0.8	6472	28
oil shale rock	0.99	0.6	9649	94
oil shale production	0.13	0.9	6186	95
oil shale journal	0.07	1	6163	46
oil shale advantages and disadvantages	0.29	0.8	8132	19
oil shale ppt	1.89	0.7	9363	41
oil shale density	1.75	0.3	7584	73
oil shale mining	0.01	0.9	7276	27
oil shale formation	1.4	1	1471	95