e petroleum industry includes the global processes of exploration, extraction, refining, transporting (often by oil tankers and pipelines), and marketing petroleum products. The largest volume products of the industry are fuel oil and gasoline (petrol).
2 Facilities and processes
3 Reservoir and wellheads
4 The upstream oil and gas process
5 Midstream facilities
8 Utility systems
9 Unconventional and conventional resources and environmental effects
11 Glossary of terms and acronyms