New Explorations Increase Possibility of Finding More Reserves in Iran's Largest Onshore Gas Field
"The volume of gas in place in this field has reached 29 trillion cubic feet with the new discovery,” Jafari said.
He added that the Pazen field has been identified as Iran’s largest onshore gas reservoir in terms of both gas-in-place and recoverable reserves, saying that drilling of the field’s third well will soon begin to determine the boundaries of the oil, gas and water zones and to finalize the reservoir’s estimated capacity.
Jafari said the first Pazen well was drilled in 2015 to a depth of 3,800 meters, leading to an initial discovery before operations were halted due to technical issues, adding that the site was later revisited, and drilling of the second well extended to around 4,600 meters.
The Pazen field is located near the village of Samangan, along the Zagros Mountains, whose Northwest-Southeast geological structure has enabled recent discoveries.
In relevant remarks in October, Iranian Oil Minister Mohsen Paknejad had announced that a large gas and oil field named ‘Pazen’ was discovered in the Southern province of Fars which contains an estimated 10 trillion cubic feet of gas reserves.
The exploratory operations in the Pazen field, located about 21 kilometers from the city of Jam in Bushehr Province, have led to the discovery of significant gas and oil deposits. The new reserves add roughly 10 trillion cubic feet (TCF) to Iran’s proven gas resources, Paknejad said.
He added that after nearly eight years of inactivity in the Pazen field, drilling of the second exploratory well was resumed and recently completed.
“Testing results from this well confirmed the presence of substantial gas and oil reserves, marking a major achievement for our exploration teams,” the minister noted.
He underlined that recoverable reserves of about 7 TCF—based on a 70% recovery factor—are equivalent to the daily production of one South Pars phase over 7,000 days, or approximately 17 to 18 years of output from a single phase.
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