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Santos Ltd

ASX:STO
A$8.54Close 7 Oct 2026 · delayed

Past year: ▲ 35%(6.17 – 8.62 AUD)

Market cap
A$17.79bn
Shares on issue
2.08bn
Story beats
483 since 2006
Last event
19 Aug 2026

Announcements, explained

Each one in plain English, with the numbers worked through for a shareholder.

6 Mar 2013drilling progress report● Neutral

Beach's February report mostly covers its own wells. Santos-operated Cooper: Baryulah-13, Brumby-13, Dullingari-61 and Dullingari North-20 gas wells suspended as future producers, Gaschnitz-ST1 suspended for evaluation, and Rheims-2 oil appraisal abandoned with no hydrocarbons.

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6 Mar 2013drilling progress report● Neutral

Orca's update on Kingston Rule-1 (PEL 115), repeating Senex's February report. The Senex report also notes Santos's planned Cuisinier five-well campaign in ATP 752P. No new Santos result.

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6 Mar 2013drilling progress report● Neutral

Senex's February report mostly covers its own wells. Santos-linked: Santos is expected to start a five-well oil appraisal and development campaign at Cuisinier field in ATP 752P (Santos 45% operator, Senex 15%) in March. No result yet.

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22 Feb 2013resource reserve update▲ GoodMajor

Santos lifts 2P reserves to 1,406 mmboe from 1,364 mmboe a year earlier, a 180% replacement of 2012 production, including Australia's first shale gas booking from Moomba-191. Contingent resources fell about 200 mmboe to 1,965 mmboe, partly from GLNG coal seam gas reassessment.

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6 Feb 2013drilling progress report● Neutral

Beach's January report mostly covers its own wells. Santos-operated Cooper items: Baryulah-16 suspended, Munkarie-10 suspended as a future gas producer, Gaschnitz-ST1 reached 3,889 m, Roswell-1 suspended, and Cudgel-1 abandoned with minor oil shows only. No major new Santos result.

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3 Jan 2013drilling progress report● Neutral

Beach's December report mostly covers its own wells. Santos-operated Cooper: Baryulah-15 gas well suspended, Zeus-7 oil well suspended, Paspa-1 oil exploration plugged and abandoned (water only), Gaschnitz-ST1 and Roswell-1 unconventional wells drilling.

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19 Dec 2012drilling progress report● Neutral

Senex's fortnightly report is mostly about its own wells, including the start of Paning-2. Visible text has no new Santos result; Santos-operated Barta data capture is not covered in the visible portion.

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5 Dec 2012drilling progress report● Neutral

Beach's November report mostly covers its own wells. Santos-operated Cooper: Moolion-5 and Cooba-4 gas wells suspended as future producers, Zeus-5/6 oil wells suspended. Hurricane-3 gas appraisal (WA-208-P) was plugged and abandoned after failing, per the visible text.

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5 Dec 2012drilling progress report● Neutral

Senex's fortnightly report is mostly about its own wells. Santos-linked: the Barta (ATP 752P, Santos 45% operator) 3D seismic survey continued data capture. Nothing new for Santos itself.

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19 Nov 2012drilling result▲ GoodMajor

Santos announces a significant gas discovery at Crown-1 (WA-274-P, Browse Basin, Santos 30% operator): 61 m net gas pay, no gas-water contact, drilling on to 5,200 m. Also agrees to take 30% of adjoining WA-408-P from Total, with wells to follow.

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7 Nov 2012drilling progress report● Neutral

Beach's October report mostly covers its own wells. Santos-operated Cooper items: Waukatanna-5 and Moolion-6 gas wells cased, Irtalie East-3 and Zeus-4 oil wells suspended as future producers, and Gaschnitz-1 unconventional gas well spudded. No major new Santos result.

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24 Oct 2012drilling progress report● Neutral

Senex's fortnightly report is mostly about its own wells. Santos-linked item: a 224 sq km 3D seismic survey started in ATP 752P (Barta, Santos 45% operator, Senex 15%), following the earlier all-oil Barta wells. No new Santos result.

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5 Oct 2012farm in farm out agreement▲ Good

Rawson says the Santos-Central deal also covers three EP97 blocks in the Pedirka Basin. Santos has agreed in principle to pay for Central's farm-in there, leaving Santos 56%, Central 24%, Rawson 20% in those blocks once wells are drilled.

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3 Oct 2012drilling progress report● Neutral

Beach's September drilling report mostly covers its own wells. Santos-operated: Big Lake-94, Bobs Well-3 and Kanowana-9 gas wells suspended for future production; Irtalie East-2 oil appraisal in PL 36 found mostly water and was abandoned.

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2 Oct 2012farm in farm out agreement▲ GoodMajor

Central Petroleum announces Santos will fund up to A$150m, A$30m initially, to earn up to 70% of 13 Amadeus and Pedirka Basin permit areas and become operator. Central keeps at least 30% with a free carry. Subject to Central renewing permits.

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5 Sept 2012drilling progress report● Neutral

Beach's August drilling report mostly covers its own wells. Santos-operated items: Big Lake-93 gas well suspended, Big Lake-94 drilling, Kanowana-8 suspended as a future liquids-rich gas producer and Kanowana-9 drilling. No new Santos result.

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1 Aug 2012drilling result▼ Bad

Drillsearch says Santos-operated Olive Oyl-1 in ATP 299 (Santos 89%) will be plugged and abandoned, a dry hole and the final commitment well in the Tintaburra Block. Its Bauer-7 well showed oil.

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1 Aug 2012drilling progress report● Neutral

Beach's July drilling report mostly covers its own wells. Santos-operated items: Big Lake-92 gas well drilled and suspended, Big Lake-93 spudded, and Kanowana-8 liquids-rich gas well begun. Beach holds 20.21% of Big Lake.

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30 July 2012drilling spud● Neutral

Drillsearch reports the spud of Bauer-7 (its own PEL 91 well) and Olive Oyl-1, a Santos-operated exploration well in the Tintaburra Block of ATP 299 (Santos 89%, Drillsearch 11%) in the Cooper Basin.

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13 July 2012drilling result▲ Good

Santos's Cuisinier North-1 exploration well in ATP 752P found a 5.0 metre gross oil column with 2.0 metres net pay and will be suspended as a future producer. It completes the four-well Barta Block campaign, all four wells finding oil.

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4 July 2012drilling result▲ Good

Senex reports Santos's Cuisinier-6 well in ATP 752P found a 5.6 metre gross oil column (3.8 metres net pay) and was suspended. Third of four Barta wells. Santos holds 45% and Senex 15%. Also covers Senex's own Snatcher-5 well.

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22 June 2012drilling result▲ Good

Partner Senex reports Santos's Cuisinier-5 appraisal well in ATP 752P found a 12.8 metre gross oil column, with 2.0 metres net pay, and was suspended as a future producer. Cuisinier-6 is next. Continues the Barta Block appraisal run; Senex holds 15%.

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7 June 2012farm in farm out agreement▲ GoodMajor

Santos, with ConocoPhillips, agreed to let SK E&S earn 37.5% of Caldita and Barossa, cutting Santos's interest from 40% to 25%. SK funds the first US$260m of a three-well appraisal program from 2013, plus up to US$90m for pre-FEED and FEED, and up to US$110m on FID and first cargo.

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6 June 2012drilling result● Neutral

Beach's May report covers Cooper Basin wells. In Santos-operated work, Tindilpie-17 gas well was suspended as a future producer, Cook-22 was abandoned with no commercial oil, Cook-23 was suspended as a future producer, and Charo-13 to 15 were suspended. Santos's own stake is not stated.

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5 June 2012drilling result▲ Good

Partner Senex reports Santos's Cuisinier-4 appraisal well in ATP 752P hit a 23.4 metre gross oil column, with at least 9.4 metres of net pay. It was suspended as a future oil producer. Cuisinier-5 is due to spud in the week of 11 June. Senex holds 15%.

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22 May 2012drilling spud● Neutral

Partner Senex reports Santos has begun drilling the Cuisinier-4 oil appraisal well in ATP 752P in the Queensland Cooper Basin, targeting 1,759 metres. It is the first of three appraisal wells and one exploration well planned for the Barta Block. Senex holds 15%.

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2 May 2012drilling result● Neutral

Beach's April report covers Cooper Basin wells. In Santos-operated work, Tindilpie-16 gas well was cased as a future producer, Cook-20 and Cook-21 oil wells were suspended as future producers, and Charo-11 and Charo-12 were suspended. Santos's own stake is not stated.

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4 Apr 2012drilling result● Neutral

Beach's March drilling report covers Cooper Basin wells where Santos operates the joint venture. Tindilpie-15 gas well was cased as a future producer, Bullamakanka-1 oil well was dry, and Charo-10 hit the target oil reservoir. Santos's own stake is not stated.

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7 Mar 2012drilling result● Neutral

Beach's February drilling report covers Cooper Basin wells where Santos operates the joint venture (Beach 20.21%). Tindilpie-14 and Durham Downs North-3 gas wells were cased as future producers and Charo-8 and Charo-9 oil wells hit the target, the first of nine planned. Santos's own stake is not stated.

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8 Feb 2012resource reserve update● NeutralMajor

Santos's 2P reserves ended 2011 at 1,364 mmboe, 81 mmboe below 2010's 1,445, after 82 mmboe of organic additions (173% replacement) were outweighed by 116 mmboe net from sales (GLNG stakes, permit transfers) and ESG. Contingent resources fell to 2.2 billion boe.

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