Subject
petroleum formation
petroleum geochemistry
4
petroleum geology
3
oil deposit
2
petroleum deposit
2
petroleum exploration
2
petroleum origin
2
coal organic geochemistry
1
environmental impact assessment
1
geochemistry
1
geologic structure
1
geology
1
geomorphology
1
geophysics
1
hydrocarbon
1
orogenesis
1
palynology
1
petroleum migration
1
petroleum reserve
1
petroleum residue
1
regional geology
1
sedimentary basin
1