Santos Limited (ASX:STO): Record Quarterly Production Meets Revised Annual Guidance

Aditi Sarkar

23 October 2026 07:53 PM AEDT

Santos Limited (ASX:STO): Record Quarterly Production Meets Revised Annual Guidance

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Highlights

September-quarter production reached 26.3 mmboe, increasing 23% from the corresponding quarter.
Sales revenue climbed 49% quarter on quarter to approximately US$2,006 million.
Barossa achieved steady production, while Darwin LNG recorded 98.5% reliability.
Pikka began shipping oil but experienced operational interruptions during commissioning.
Full-year 2026 production guidance narrowed to 99–102 mmboe.

Santos Limited (ASX:STO) is a global energy company producing oil and natural gas, with operations across Australia, Papua New Guinea, Timor-Leste and the United States. Its September 2026 quarterly report recorded higher production and cash generation as the Barossa gas development reached steady production and the Pikka oil project progressed in Alaska. However, commissioning disruptions at Pikka prompted a narrower full-year production outlook.

September Production Sets Quarterly Record

Santos (ASX:STO) reported production of 26.3 million barrels of oil equivalent (mmboe) in the September quarter, almost 14% above the June quarter and 23% above the corresponding period. Year-to-date production totalled 71.9 mmboe, nearly 10% higher than the comparative period. Sales volumes reached 26.4 mmboe, an 11% quarter-on-quarter increase.

Quarterly sales revenue reached approximately US$2,006 million, 49% above the previous quarter and 78% above the corresponding quarter. Santos (ASX:STO) also recorded approximately US$1,069 million in free cash flow from operations and approximately US$957 million in free cash flow. The company reports these as separate cash-flow measures.

Barossa Stability and Pikka Progress

At Barossa, steady gas production supported operations at the Darwin LNG processing facility. Darwin LNG recorded 98.5% reliability during the quarter, with ten LNG cargoes and two condensate cargoes lifted. Santos (ASX:STO) reported that feed gas to the facility reached a peak of approximately 600 million standard cubic feet per day.

In Alaska, Pikka shipped its first oil cargo in August and completed five oil cargo liftings during the quarter, including two carrying Santos equity volumes. Gross production briefly exceeded 80,000 barrels per day before the quarter ended, but stood at 69,000 barrels per day at quarter-end. Thirty-two development wells had been drilled.

The ramp-up was interrupted by a weather event affecting the seawater treatment plant during start-up and a Kuparuk pipeline shutdown following a road accident. Santos (ASX:STO) said production would be held at around 70,000 barrels per day temporarily to allow water injection to replenish reservoir pressure before progressing towards 80,000 barrels per day.

Annual Guidance Reflects Commissioning Delays

Following those interruptions, Santos (ASX:STO) narrowed its 2026 production guidance to 99–102 mmboe from 99–105 mmboe. The lower end remained unchanged, while the upper end was reduced. The adjustment identifies the importance of Pikka’s production ramp-up to the full-year outcome rather than changing the quarterly production already reported.

Other activity during the quarter included agreements for Santos to acquire a 30% interest in the Greater Meridian coal seam gas project and become operator upon completion, subject to regulatory approvals. The company also continued preparatory work for the Papua LNG project and appraisal drilling in the Beetaloo sub-basin. These initiatives remain at different development and approval stages.

Operational Factors Affecting the Remainder of the Year

Pikka’s seawater injection system, pipeline availability and reservoir management remain central to production stability. At Barossa, facility reliability and cargo scheduling determine how steadily output translates into sales. Commodity prices may also affect revenue and cash receipts independently of production volumes. Santos (ASX:STO) has not presented the September quarter as eliminating these operational or market exposures.

Key Insights

The September 2026 report shows increased contributions from Barossa and Pikka to Santos Limited (ASX:STO), alongside record quarterly production and operating free cash flow. The revised annual range reflects interruptions during Pikka commissioning, making the pace of stabilisation important to interpreting subsequent production and cash-flow disclosures. The reported figures also distinguish operational expansion from the remaining execution requirements of newly commissioned assets.

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