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Subject
- Geology35
- Petroleum35
- Geology, Stratigraphic18
- Stratigraphic correlation7
- Cretaceous Geologic Period6
- Natural gas6
- Environmental aspects5
- Oil and gas leases5
- Oil well drilling5
- Oil well logging5
- Analysis2
- Jurassic Geologic Period2
- Oil fields2
- Uranium ores2
- Eocene Geologic Epoch1
- Gas fields1
- Gas reservoirs1
- Geological cross sections1
- Geology, Structural1
- Hydraulic fracturing1