Oman Oil: Production, Reserves & Role in the Market
Oman Oman has never been an OPEC member, but it is one of the non-OPEC "OPEC+" partners that coordinates output alongside the cartel — named constantly in OPEC+ communiqués as one of the seven countries making the group's voluntary production adjustments.
Key Figures
| Measure | Value | As of / source |
|---|---|---|
| Production, March 2026 | About 1.05 million b/d | Industry data |
| Proven reserves | About 5.0 billion barrels (2025), roughly 0.3% of the world total | Industry estimates |
| OPEC status | Never an OPEC member; participates in OPEC+ as one of seven voluntary-adjustment countries alongside Saudi Arabia, Russia, Iraq, Kuwait, Kazakhstan and Algeria | OPEC press releases |
| OPEC+ crude quota, July 2026 | Ceiling of about 831,000 b/d, after a 5,000 b/d increase that month | OPEC+ communiqués |
Rankings and comparisons: world production & consumption · reserves by country · biggest oil companies.
A Non-OPEC Voice in OPEC+
Why the quota looks lower than total output
- Oman's OPEC+ crude oil quota (around 831,000 b/d as of July 2026) is not the same figure as its total oil production — the quota covers crude specifically under the voluntary-adjustment scheme, while total output (roughly 1.05 million b/d) includes condensate and other liquids not bound by the same ceiling.
- This is the same crude-versus-total-liquids distinction that makes OPEC and OPEC+ production figures easy to misread across the group generally — see OPEC vs. non-OPEC for the wider picture.
Why Oman coordinates without joining
- Staying outside OPEC lets Oman avoid the formal governance and quota-setting apparatus of the cartel while still aligning its output policy with it — a middle position several Gulf and Caspian producers occupy within OPEC+.
- Its regular presence in OPEC+ voluntary-adjustment communiqués, alongside Saudi Arabia, Russia, Iraq, Kuwait, Kazakhstan and Algeria, means its production moves are announced and tracked on the same schedule as the OPEC members' — see the OPEC+ meeting schedule.
Oil Companies Operating in Oman
| Company | Type | Ownership |
|---|---|---|
| Shell | Integrated major | Publicly traded; no controlling shareholder. |
| Occidental | Independent producer (public) | Publicly traded; Berkshire Hathaway is the largest shareholder, holding more than a quarter of the common stock (mid-2026 filing). |
From the oil company directory: companies with material producing operations here or headquartered here, hand-curated from company filings.
Oman Oil FAQ
Is Oman a member of OPEC?
No. Oman has never joined OPEC, but it participates in the wider OPEC+ coalition as one of the group's voluntary-adjustment countries, coordinating its output alongside Saudi Arabia, Russia, Iraq, Kuwait, Kazakhstan and Algeria without taking on OPEC membership itself.
How much oil does Oman produce?
About 1.05 million barrels a day as of March 2026. Its OPEC+ crude quota is lower, around 831,000 barrels a day as of July 2026, because the quota covers crude oil specifically and not the condensate and other liquids included in total production.
Which oil companies operate in Oman?
The oil company directory lists Shell, Occidental with producing operations in Oman. See the directory for who owns each company and which basins it works.