Iranian Continental Shelf Oil Company
Iranian Continental Shelf Oil Company (IOOC) is a state-owned NIOC subsidiary that extracts and produces crude oil and natural gas from offshore fields across the Iranian continental shelf in the Persian Gulf and Sea of Oman, supplying domestic refineries, petrochemical plants, and international buyers.
- Company typePrivate
- Founded1970
- HeadquartersTehran, Iran
- Headcount101–250
- GTM typeB2B
- OfferingServices
What Iranian Continental Shelf Oil Company does
Iranian Continental Shelf Oil Company (IOOC), formally شرکت نفت فلات قاره ایران, is a wholly state-owned upstream oil and gas enterprise under the National Iranian Oil Company (NIOC), founded in 1970 and headquartered in Tehran. It holds a statutory mandate to extract and produce crude oil and natural gas from offshore fields across the Iranian continental shelf in the Persian Gulf and Sea of Oman, excluding South and North Pars. The company operates six geographically distributed operational regions — Kharg, Bahrgan, Lavan, Sirri, Qeshm, and Kish — covering more than 1,200 km of offshore waters, with major processing complexes at Salman, Doroud, and Abuzar, the FPSO Cyrus (Koorosh) vessel at the joint Forouzan field, and Single Buoy Mooring (SBM) export terminals at Lavan and Bahrgan.
IOOC's core technical capabilities span the full offshore production lifecycle: offshore platform design, fabrication, and installation (including the float-over method used for the 6,200-ton P4 Reshadat platform), subsea pipeline operations, specialized underwater repair and maintenance, FPSO operations, drilling, and crude oil export terminal operations. Its technology portfolio also includes Distributed Control System (DCS) upgrades, Fire and Gas (F&G) detection systems, an Emergency Oil Discharge System (EOS), Pipeline Integrity Management System (PIMS), and a 40-year-old underwater repair unit. The company has pursued deliberate indigenization of critical equipment — including 6-9 MW Taurus 70 turbogenerators, Siemens SGT200 turbine spark ignition systems, and Ruston turbine oil radiators — to reduce foreign supplier dependency under sanctions.
IOOC generates revenue through three primary streams: crude oil sales (exported via SBM terminals to international buyers and supplied domestically to NIOC refineries), natural gas production (sold to domestic petrochemical plants such as Kharg Petrochemical and used for reservoir pressure maintenance via injection), and crude oil storage and terminal services. Distribution is executed through government-to-government channels and long-term supply contracts under NIOC oversight, with international export handled via offshore loading onto tanker vessels at the SBM buoys. Domestic gas pricing is regulated by the Iranian Ministry of Petroleum, while crude pricing follows international benchmarks. The company manages 10 of NIOC's 110 active projects, has achieved approximately 93% of annual production targets, and holds HSE-MS, IMS, and Energy Management certifications.
Iranian Continental Shelf Oil Company firmographics
Firmographics- Name
- Iranian Continental Shelf Oil Company
- Legal name
- شرکت نفت فلات قاره ایران (Iranian Offshore Oil Company)
- Website
- https://iooc.ir
- Company type
- Private
- Founded year
- 1970
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- Iranian Continental Shelf Oil Company (IOOC) is a state-owned NIOC subsidiary that extracts and produces crude oil and natural gas from offshore fields across the Iranian continental shelf in the Persian Gulf and Sea of Oman, supplying domestic refineries, petrochemical plants, and international buyers.
- Ownership category
- akta.pro rank
Iranian Continental Shelf Oil Company industry classification
Industry- Product category
- Offshore Oil and Gas Production
- NAICS
- Crude Petroleum Extraction (21112), Oil and Gas Field Machinery and Equipment Manufacturing (333132), Oil and Gas Extraction (2111)
- SIC
- Crude Petroleum & Natural Gas (1311), Oil & Gas Field Services, Nec (1389), Oil & Gas Field Machinery & Equipment (3533), Wholesale-Petroleum Bulk Stations & Terminals (5171)
- akta.pro primary industry
- Offshore E&P (Shallow/Deepwater, Subsea Production Systems) (EUALAAAI)
Keywords
Where Iranian Continental Shelf Oil Company is headquartered
LocationHeadquarters
- HQ city
- Tehran
- HQ country
- Iran
- HQ region
- Middle East
Offices8 records
Markets served
Iranian Continental Shelf Oil Company business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Operations, Infrastructure, Personnel, Supply Chain, Technology or R&D
Revenue model
- Crude Oil Sales: IOOC extracts crude oil from offshore fields across six operational regions (Kharg, Bahrgan/Lavan, Sirri, Soroush/Salman, Qeshm, Kish) and exports via offshore terminals (SBM loading). Crude is sold to international buyers under long-term contracts and spot market arrangements. Production capacity increases are achieved through new platform installation (e.g., P4 Reshadat platform adding 35,000 bpd).
- Natural Gas Production and Supply: IOOC produces and supplies natural gas to domestic petrochemical plants (e.g., Kharg Petrochemical) and for gas injection operations to maintain reservoir pressure. Gas is supplied under domestic pricing regulated by the Iranian Ministry of Petroleum.
- Crude Oil Storage and Terminal Services: Operates crude oil storage facilities and offshore loading terminals (SBM systems) that provide storage and export services for both IOOC's own production and potentially third-party crude.
Go-to-market motion1 record
Distribution channels2 records
Marketing channels5 records
Iranian Continental Shelf Oil Company product offering
Product offeringCore offering
IOOC extracts crude oil and natural gas from offshore fields across the Iranian continental shelf in the Persian Gulf and Sea of Oman, operating six regional zones (Kharg, Bahrgan, Lavan, Sirri, Qeshm, Kish). It provides in-house offshore platform design, fabrication, and installation; underwater repair and maintenance; gas processing at Salman, Doroud, and Abuzar complexes; FPSO operations (Cyrus); and crude oil export via SBM terminals. Production is sold to domestic refineries and petrochemical plants as well as international buyers under NIOC-managed contracts.
Product overview
Iranian Continental Shelf Oil Company (IOOC) is a large offshore oil and gas extraction and production company operating in the Persian Gulf and Sea of Oman. The company's portfolio includes a core offshore extraction and production business spanning six operational zones (Bahregan, Kharg, Siri, Lavan, Qeshm, Kish), supported by platform design/fabrication/installation services, underwater repair units, and crude oil export terminals using SBM systems. Key production infrastructure includes the Salman, Doroud, and Abuzar gas processing complexes, and the FPSO Cyrus floating production vessel. The company also operates add-on modules including DCS (Distributed Control System) for facility automation, F&G (Fire and Gas) detection systems for platform safety, EOS (Emergency Oil Discharge System) for emergency response, HSE management systems, PIMS for pipeline integrity, and a Research and Technology program supporting localization of turbo-generators, safety valves, and other equipment. IOOC's operational footprint covers over 1,800 km of offshore waters.
Differentiator
Problem solved
Functional benefit
Products and services
- Offshore Crude Oil Extraction and Production Extraction and production of crude oil from offshore fields across IOOC's six operational regions (Kharg, Bahrgan, Lavan, Sirri, Qeshm, Kish) in the Persian Gulf and Sea of Oman, with output sold to domestic refineries and international buyers. Recent platform additions such as the 6,200-ton P4 platform at the Reshadat field added 35,000 barrels per day of oil production capacity.
- Natural Gas Production and Supply Production of natural gas from offshore fields, supplied to domestic petrochemical plants (e.g., Kharg Petrochemical) as feedstock and used for gas injection operations to maintain reservoir pressure.
- Offshore Platform Design, Fabrication, and Installation Services Engineering, fabrication, and offshore installation of production and residential platforms, including the float-over installation method used for the P4 Reshadat platform. Excludes in-house platform installations and modifications as part of company's own infrastructure.
- Underwater Repair and Maintenance Services Subsea repair and maintenance operations including underwater welding, pipeline inspection, and subsea equipment replacement performed by a dedicated underwater repair unit, supporting IOOC's offshore infrastructure and extended asset life.
- Crude Oil Export Terminal Operations (SBM) Operation of Single Buoy Mooring (SBM) export terminals at Lavan and Bahrgan operational regions, enabling direct loading of crude oil onto tanker vessels without port infrastructure dependency.
- FPSO Cyrus (Floating Production, Storage and Offloading) Operations Operation and maintenance of the Cyrus (Koorosh) FPSO vessel at the joint Forouzan field for offshore crude oil processing, storage, and export.
- Gas Processing Services (Salman, Doroud, Abuzar Complexes) Gas processing, gas lift, and gas injection operations at the Salman, Doroud, and Abuzar complexes, with associated gas compression and water injection systems in the Kharg operational region.
Quantifiable outcome
- Increased daily oil production capacity by 35,000 barrels through P4 Reshadat platform installation
- +6 more outcomes
Companies that use Iranian Continental Shelf Oil Company
Customer profileNamed customers3 records
Segments2 records
Ideal customer profiles2 records
Iranian Continental Shelf Oil Company technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature9 records
Iranian Continental Shelf Oil Company partnerships and signals
Strategic signalPartnerships
Seven partnerships are on record, tiered core and minor.
- Oil Industry Research Institute (پژوهشگاه صنعت نفت)coreIOOC signed 4 research and technology contracts with the Oil Industry Research Institute (پژوهشگاه صنعت نفت) to collaborate on technology development, field studies, and research projects addressing offshore oil and gas operational challenges.
- Petroleum University of Iran / Shahid Bahonar University of Oil and Energy (دانشگاه صنعت نفت)coreIOOC signed 3 field-oriented cooperation contracts with the Petroleum University of Iran and Shiraz University to conduct field-specific research, knowledge exchange, and technology localization projects.
- Shiraz University (دانشگاه شیراز)minorIOOC collaborates with Shiraz University on field-oriented research projects as part of broader academic-industry partnerships under NIOC's research framework.
- Persian Gulf University Bushehr (دانشگاه خلیج فارس بوشهر)coreIOOC inaugurated a research, development, and technology office at Persian Gulf University in Bushehr to facilitate joint research activities, student engagement, and technology transfer related to offshore oil and gas operations.
- Knowledge-Based Companies (شرکتهای دانشبنیان)coreIOOC actively partners with Iranian knowledge-based companies (دانشبنیان) for first-time production (تولید بار اول) of equipment and technology. At the 29th Tehran International Oil Exhibition, IOOC signed 9 research contracts and MOUs with knowledge-based companies and universities. Additional 2 cooperation contracts were signed separately for domestic technology development. These partnerships focus on localizing equipment such as turbogenerators, turbine components, and specialized oilfield equipment.
- National Iranian Oil Company (شرکت ملی نفت ایران / NIOC)coreIOOC operates as a wholly-owned subsidiary of NIOC, executing upstream oil and gas projects under NIOC's strategic direction. NIOC sets production targets, approves development projects, and coordinates national oil policy. IOOC contributes 10 of 110 active NIOC projects.
- National Southern Oil Fields Company (شرکت ملی مناطق نفتخیز جنوب / NISOC)minorIOOC collaborates with NISOC for the supply of materials and equipment needed for offshore operations, leveraging NISOC's procurement network and supplier relationships in the broader Iranian oil industry.
Scale indicators12 records
Recent moves6 records
Expansion highlights12 records
Iranian Continental Shelf Oil Company competitors and assessment
Company assessmentBroad incumbents
- QatarEnergy: Qatar's state-owned NOC with major offshore gas production (North Field/South Pars — excluded from IOOC's mandate). Comparable as a Gulf NOC with offshore platform infrastructure, FPSO-equivalent operations, and government-directed investment program; differs in product mix (gas vs. crude).
- Saudi Aramco: Saudi Arabia's state-owned national oil company operates the world's largest offshore and onshore oil production network, including major Persian Gulf fields. Directly comparable as a regional NOC peer with offshore E&P, platform operations, and crude export via dedicated terminals, but at materially larger scale and broader portfolio.
- Kuwait Petroleum Corporation (KPC): State-owned national oil company with offshore operations in the Persian Gulf (joint Zone with Saudi Arabia), comparable as a regional NOC peer with state-mandated production targets and sovereign control of upstream assets. Broader portfolio including refining and petrochemicals.
- Petronas: Malaysia's state-owned NOC with significant offshore operations across Southeast Asia. Comparable as a national oil company with offshore platform, FPSO, and subsea engineering capability; differs by geography and product mix (more LNG exposure).
- National Iranian Oil Company (NIOC): IOOC's parent entity and Iran's national oil company. Parent in the corporate hierarchy; comparable as the broader state-owned oil enterprise overseeing upstream development targets and international marketing, but with a portfolio spanning onshore (NISOC) and offshore (IOOC) operations.
Direct peers
- Petrobras: Brazilian state-major with world-class deepwater offshore E&P operations including FPSO fleets, subsea infrastructure, and platform installation expertise. Highly comparable on the offshore production technology stack, particularly float-over methods and ultra-deepwater platform operations, though in a different geography.
- Oil and Natural Gas Corporation (ONGC): India's state-owned offshore E&P operator with comparable platform design/installation capability, FPSO operations, and indigenous engineering execution. Strong peer on technology and operational model — both companies are national offshore specialists dependent on government direction with domestic engineering capabilities.
- Abu Dhabi National Oil Company (ADNOC): ADNOC operates offshore oil and gas production in the Persian Gulf (including the Zakum field — one of the world's largest offshore reservoirs) with platform infrastructure, SBM export terminals, and similar state-backed operating model. Closest direct peer in terms of operating geography, regulatory structure, and offshore field characteristics.
Market position
Weaknesses4 records
Competitive moat5 records
Key risks5 records
Key highlights6 records
Customer concentration
Iranian Continental Shelf Oil Company compliance and trust
Trust signalCompliance3 records
Iranian Continental Shelf Oil Company financial estimates
Financial estimateRevenue estimate
Valuation estimate
Iranian Continental Shelf Oil Company leadership team
Management profileNumber of profiles
Profiles3 records
Iranian Continental Shelf Oil Company funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Iranian Continental Shelf Oil Company M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Iranian Continental Shelf Oil Company
What does Iranian Continental Shelf Oil Company do?
IOOC extracts crude oil and natural gas from offshore fields across the Iranian continental shelf in the Persian Gulf and Sea of Oman, operating six regional zones (Kharg, Bahrgan, Lavan, Sirri, Qeshm, Kish). It provides in-house offshore platform design, fabrication, and installation; underwater repair and maintenance; gas processing at Salman, Doroud, and Abuzar complexes; FPSO operations (Cyrus); and crude oil export via SBM terminals. Production is sold to domestic refineries and petrochemical plants as well as international buyers under NIOC-managed contracts.
Is Iranian Continental Shelf Oil Company a public or private company?
Iranian Continental Shelf Oil Company is a private company. It is classified as state government owned and is currently operating.
When was Iranian Continental Shelf Oil Company founded?
Iranian Continental Shelf Oil Company was founded in 1970. It employs 101 to 250 people.
Where is Iranian Continental Shelf Oil Company based?
Iranian Continental Shelf Oil Company is headquartered in Tehran, Iran, in the Middle East region.
How does Iranian Continental Shelf Oil Company make money?
Three revenue lines are on record. Crude Oil Sales are the primary driver. The others are natural Gas Production and Supply and crude Oil Storage and Terminal Services.
Who are Iranian Continental Shelf Oil Company's main competitors?
Broad incumbents on record are QatarEnergy, Saudi Aramco, Kuwait Petroleum Corporation (KPC), Petronas and National Iranian Oil Company (NIOC). Direct peers are Petrobras, Oil and Natural Gas Corporation (ONGC) and Abu Dhabi National Oil Company (ADNOC).
Does Iranian Continental Shelf Oil Company have an API?
No public API is recorded for Iranian Continental Shelf Oil Company.
What industry is Iranian Continental Shelf Oil Company in?
Iranian Continental Shelf Oil Company's product category is Offshore Oil and Gas Production. Its primary akta.pro industry code is EUALAAAI, Offshore E&P (Shallow/Deepwater, Subsea Production Systems). Its NAICS code is 21112 and its SIC code is 1311.