Description
Hidden beneath the waters of the Persian Gulf lies one of the world’s most extraordinary natural gas reserves — the South Pars / North Dome Gas Field. This super-giant field is vital for global energy supply, supporting electricity generation, industrial needs, and domestic consumption in the countries that share it.
What is Natural Gas?
Natural gas is mostly methane, a hydrocarbon formed over millions of years from the remains of tiny plants and marine life. These organisms were buried under layers of sediment, and over geological time, heat and pressure converted them into gas. The gas migrates into porous rocks and becomes trapped under impermeable layers, creating massive underground reservoirs.
The Largest Gas Field on Earth
The South Pars / North Dome field is the world’s largest single natural gas deposit. It covers roughly 9,700 square kilometers and contains an estimated 1,800 trillion cubic feet of gas, along with valuable natural gas liquids. The gas lies nearly 3,000 meters beneath the seabed, which requires sophisticated offshore technology for extraction.
Shared Between Two Nations
This field stretches across Iran and Qatar, with each country managing a separate portion:
Iran: The South Pars section, mainly used for domestic energy such as power generation and heating.
Qatar: The North Dome, or North Field, which is largely exported as liquefied natural gas (LNG) to countries including India, China, Japan, and South Korea.
Global Significance
The South Pars / North Dome field has a major influence on world energy markets. Qatar’s LNG exports make it a top global supplier, while Iran’s portion powers domestic industries and households. Given the field’s immense size, it can sustain energy needs for decades, and any supply disruption can affect gas prices worldwide.
Discovery and Extraction
Qatar discovered its portion in 1971, while Iran confirmed the field extended into its waters in 1990. The gas is extracted through offshore drilling platforms and transported via pipelines to onshore facilities, where it is processed for domestic use or export.
Other Notable Gas Fields
While South Pars / North Dome is the largest, other significant fields include:
Urengoy (Russia) – The largest onshore gas field globally.
Yamburg (Russia) – A major Siberian reserve.
Hassi R’Mel (Algeria) – Africa’s biggest gas field.
Galkynysh (Turkmenistan) – A recently discovered super-giant field.
Why Natural Gas Remains Important
Natural gas produces fewer emissions than coal or oil, earning it the label of a bridge fuel. As global energy demand continues to rise, vast reserves like South Pars / North Dome are essential for ensuring cleaner energy, industrial growth, and economic stability worldwide.
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- South Pars
- North Dome
- Persian Gulf gas field
- LNG export
- Iran gas
- Qatar gas
- global energy reserves
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