Bahrain occupies an unusual position in the Gulf oil industry. It was the first country on the Arab side of the Gulf to discover oil, yet it never developed the giant production base associated with Saudi Arabia, Kuwait, or the United Arab Emirates. Its modern oil economy rests on three connected assets: the mature onshore Bahrain Field, revenue from the offshore Abu Sa’afa field shared with Saudi Arabia, and a refining system that processes far more crude than Bahrain produces domestically. The country’s strategy is not based on becoming a major crude producer. It is based on extracting more value from limited resources, secure regional supply, and advanced refining capacity.
Bahrain Produces Oil From Two Very Different Sources
Bahrain’s reported oil production comes from the onshore Bahrain Field and the offshore Abu Sa’afa field. Together, the two fields produced 64.2 million barrels in 2025, equivalent to an average of about 176,000 barrels per day. Most of that volume was linked to Abu Sa’afa, while the older Bahrain Field supplied a smaller domestic stream.
The Bahrain Field, also known historically as the Awali Field, began production after oil was discovered in 1932. The discovery helped establish Bahrain’s refinery, service sector, industrial base, and early role in the Gulf petroleum industry.
After more than nine decades, the field is a mature asset. Production depends on new wells, workovers, enhanced recovery methods, pressure support, and upgrades to surface facilities. Bapco Upstream is responsible for exploration, development, and production across the kingdom, including work to maximise recovery from the Bahrain Field.
Bahrain is therefore trying to improve the performance of an existing field whose reservoirs have already been developed for generations. The economics depend on how much additional oil can be recovered at a reasonable cost.
Abu Sa’afa Links Bahrain’s Oil Revenue to Saudi Production
The offshore Abu Sa’afa field gives Bahrain access to a much larger production stream than the onshore field can provide. The field is associated with both Bahrain and Saudi Arabia, while Saudi Aramco manages production. Under the long-standing arrangement between the two countries, Bahrain receives a share of the field’s output or revenue.
Abu Sa’afa averaged about 147,000 barrels per day for Bahrain during the third quarter of 2025. This made it the dominant source within the country’s reported oil production. Its contribution also shows why Bahrain’s upstream position cannot be assessed only by examining wells located inside the main islands.
The arrangement has strategic as well as commercial importance. Bahrain’s oil income is partly tied to an offshore asset operated through Saudi infrastructure, while its refinery also depends heavily on crude delivered from Saudi Arabia. The two countries are connected by pipelines, commercial agreements, and a shared interest in stable petroleum flows.
This relationship gives Bahrain supply security and access to a much larger resource base. It also means that part of the country’s oil economy depends on production conditions beyond Bahrain’s direct operating control.
The Expanded Sitra Refinery Defines Bahrain’s Oil Strategy
The Sitra refinery is the largest physical asset in Bahrain’s oil sector and the clearest expression of its current strategy. Bahrain has never produced enough domestic crude to supply a refinery of this scale. Instead, it built a processing and export business around Saudi feedstock, domestic oil, marine access, and a location close to major Gulf shipping routes.
The Bapco Modernization Project increased refinery capacity to approximately 405,000 barrels per day, a rise of about 42 percent from the earlier system. The project added 21 operating units and 15 substations, making it the largest energy investment undertaken in Bahrain.
The upgraded refinery is designed to produce a larger share of high-value products and process a wider range of crude. Its residue hydrocracking unit converts much of the lower-value heavy material left after initial refining into distillates that can become products such as diesel and kerosene. This improves the value earned from each barrel rather than relying mainly on simple throughput.
The expansion also supports higher output of low-sulphur diesel, jet fuel, and naphtha. These products serve international markets as well as Bahrain’s domestic transport, aviation, and industrial demand. Refining therefore gives the country an economic role that is larger than its upstream reserve base would suggest.
A modern refinery can also purchase different crude grades when market conditions are favourable. Bapco has indicated interest in using heavier crude as the expanded units reach full operation. Heavier grades are often priced below lighter crude, although they require more complex equipment to convert into clean fuels. The new configuration gives Bahrain more flexibility to compare feedstock cost, product demand, and refining margins.
A pipeline from Saudi Arabia supplies most of the refinery’s feedstock, while Bahrain Field crude provides a smaller portion. The reliability of this link is therefore just as important as the operation of the refinery itself.
Extending the Bahrain Field Requires Continuous Development
Bapco Energies describes the Bahrain Field expansion programme as one of its major medium-term upstream projects. It includes new oil and gas wells, additional production facilities, and work intended to improve recovery from existing reservoirs.
Oil and gas development are closely connected in the field. Associated gas must be collected and processed, while gas production supports electricity generation, desalination, and industry. Bapco Gas also processes associated gas and refinery off-gas into marketable products, allowing the country to use more of the hydrocarbons produced from each well.
The field’s maturity places limits on expansion. New drilling may stabilise output or create temporary increases, but mature reservoirs normally require more capital and operating effort per additional barrel. Water handling, well maintenance, and reservoir surveillance become increasingly important as a field ages.
The aim is therefore practical rather than transformational. Sustaining the field reduces import dependence, supports domestic technical capability, and provides crude and gas close to local processing facilities.
Khalij Al-Bahrain Is Still a Development Question
Bahrain announced a major unconventional discovery in the Khalij Al-Bahrain Basin in 2018. The resource estimate was widely reported at roughly 80 billion barrels of tight oil in place. That figure attracted attention because it is far larger than Bahrain’s established conventional reserve base.
Oil in place is not the same as proven or commercially recoverable reserves. Tight oil is held in low-permeability rock and generally requires horizontal drilling, hydraulic fracturing, and repeated investment in new wells. Recovery depends on geology, flow rates, development cost, access to services, environmental controls, and long-term oil prices.
Appraisal work has sought to determine how much can be produced commercially. Until a large development receives investment approval and demonstrates repeatable well performance, Khalij Al-Bahrain should be viewed as potential rather than as a replacement for existing production.
Its future significance will depend less on the headline resource estimate than on the percentage that can be recovered profitably. A high-cost development would have to compete with conventional crude from some of the world’s lowest-cost producers elsewhere in the Gulf.
Bahrain’s Oil Future Is Centred on Refining
Bahrain’s strongest oil-sector advantage is not the scale of its reserves. It is the combination of regional supply access, experienced operators, integrated processing, and a newly expanded refinery. Abu Sa’afa will remain important to state oil revenue, while the Bahrain Field will require steady investment to manage decline.
The Sitra refinery gives the country a clearer route to growth by increasing product output and improving the value recovered from imported crude. Khalij Al-Bahrain could alter the upstream picture, but only if appraisal leads to a commercially competitive development. In the meantime, Bahrain’s oil strategy will remain focused on refining efficiency, secure Saudi supply, and careful management of mature domestic production.