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December 3, 2021updated 27 Apr 2022 12:16pm

South Pars Phases 20 and 21 Conventional Gas Field, Iran

By Carmen

South Pars Phases 20 and 21 is a producing conventional gas field located in shallow water in Iran and is operated by Pars Oil and Gas. The field is located in block South Pars Phase 20 and South Pars Phase 21.

Field participation details

The field is owned by National Iranian Oil.

Production from South Pars Phases 20 and 21

The South Pars Phases 20 and 21 conventional gas field recovered 24.78% of its total recoverable reserves, with peak production in 2018. The peak production was approximately 82.5 thousand bpd of crude oil and condensate, 1,940 Mmcfd of natural gas and 33.35 thousand bpd of natural gas liquids. Based on economic assumptions, production will continue until the field reaches its economic limit in 2048. The field currently accounts for approximately 5% of the country’s daily output.

Remaining recoverable reserves

The field is expected to recover 2,194.88 Mmboe, comprised of 228.28 Mmbbl of crude oil & condensate, 10,811.25 bcf of natural gas reserves and 164.73 Mmbbl of natural gas liquid reserves. South Pars Phases 20 and 21 conventional gas field reserves accounts 0.75% of total remaining reserves of producing conventional gas fields globally.

About Pars Oil and Gas

Pars Oil and Gas Company (POGC), a subsidiary of National Iranian Oil Company is an oil refining company that develops South Pars gas fields and North Pars gas fields. The company offers crude oil and natural gas. Its projects inlcude golshan gas field, ferdowsi gas field, oil layers of south pars, logistic projects. POGC’s logistic projects roads, ports, gas trunk lines, residential district, sea water intake, lood control facilities, welfare facilities, central power project and infrastructure and support facilities. The company also offers support services. POGC is headquartered in Tehran, Iran.


Information on the field is sourced from GlobalData’s fields database that provides detailed information on all producing, announced and planned oil and gas fields globally. Not all companies mentioned in the article may be currently existing due to their merger or acquisition or business closure.

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