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Persian Gulf: Earth's Hydrocarbon Treasure Trove
12 Jul
Summary
- Persian Gulf holds half of world's conventional oil reserves.
- Geological collision created optimal conditions for hydrocarbons.
- Future discoveries and enhanced recovery methods possible.

The Persian Gulf region is a unique geological setting, boasting an extraordinary concentration of hydrocarbon resources. Approximately half of the world's conventional oil reserves and 40% of its natural gas lie within this area, despite covering only 3% of the Earth's land surface. This abundance is attributed to millions of years of tectonic plate collisions.
The collision between the Arabian and Eurasian plates has created ideal conditions for generating and trapping oil and gas. Highly organic-rich source rocks, such as the Hanifa and Kazhdumi formations, have been subjected to the heat and pressure necessary for hydrocarbon formation. Additionally, geological structures like the folded mountains of the Zagros and the domed structures on the Arabian plate effectively trap these vast reserves.
Even after extensive exploration and production for over a century, significant resources are still estimated to be undiscovered. Assessments suggest billions of barrels of oil and trillions of cubic feet of natural gas may yet be found. Furthermore, modern techniques like horizontal drilling and fracking, now being explored in countries like Saudi Arabia and the UAE, hold the potential to increase production from existing fields.