Crude oil & petroleum products » Geology Science

Petroleum geology - Wikipedia

Petroleum and the Environment: an Introduction

Petroleum, Definition & Uses

What is the difference between the petroleum and the petrochemical industry? - Quora

Petroleum geology features and research developments of hydrocarbon accumulation in deep petroliferous basins

Oil formation - Energy Education

Genesis of solid bitumen

Fossil Fuel Examples and Uses

Petroleum and Natural Gas Resources - dummies

Crude Oil - Utah Geological Survey