Private company

Iranian Offshore Oil Company

Iranian petroleum business

The Iranian Offshore Oil Company (IOOC; Persian: شرکت نفت فلات قاره ایران) is a subsidiary of the National Iranian Oil Company. IOOC, an independent legal entity, is based in Tehran and operates in southern Iran. Its activities cover important areas of the Persian Gulf and its main operations are in Bushehr Province and on Kharg Island, Sirri Island and Lavan Island.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1981Founded1

The Iranian Offshore Oil Company (IOOC; Persian: شرکت نفت فلات قاره ایران) is a subsidiary of the National Iranian Oil Company. IOOC, an independent legal entity, is based in Tehran and operates in southern Iran. Its activities cover important areas of the Persian Gulf and its main operations are in Bushehr Province and on Kharg Island, Sirri Island and Lavan Island.2

Corporate structure

Iranian Offshore Oil Company is part of a group headed by National Iranian Oil Company. 11 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

The story

After Iranian Revolution, all partnership contracts with aforementioned companies were abolished, and a year later, the Iranian Offshore Oil Company (IOOC) was established by combining those companies.

During the Iraq-Iran War, the IOOC suffered considerable damages to offshore and onshore facilities.

From Wikipedia’s article on Iranian Offshore Oil Company, shared under CC BY-SA 4.0.3

Products and brands

  • oil

Listed on Wikidata.1

The IOOC operations in the Persian Gulf are divided into two zones: the northern zone which includes oilfields around Kharg Island and ones near Iranian port of Bahregan. The Southern zone of the company's operations includes areas near islands Sirri, Lavan, Kish, Qeshm.

The IOOC has the production capacity of over 640,000 b/d.

In 2012, IOOC signed a contract worth $6.6 billion, with Iran's power projects management company (MAPNA) for developing the Forouz B gas field in the Persian Gulf and generating electricity from the produced natural gas.

In early 2015, IOOC acquired the "world's largest oil tanker" with a capacity of 2.2 million barrels of crude oil. It is named "Persian Gulf". South Korea's Samsung started building this floating storage unit (FSU) in 2008 and finished it at a cost of about $300 million.

From Wikipedia’s article on Iranian Offshore Oil Company, shared under CC BY-SA 4.0.3

Subsidiaries and ownership

Parent company

Owners

From Wikidata.1

Timeline

  1. 1981Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
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