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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.

3 June 2015drilling progress report● Neutral

Beach's May report: in Santos-operated Cooper work, Barrolka's four-well campaign finished with all wells cased, Swan Lake-13 and -16 were cased as producers, and the Windorah-Marama program began. No major Santos news.

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25 May 2015resource reserve update● Neutral

Cooper Energy booked 106 PJ net 2C contingent gas at the Sole field (211 PJ gross) after completing its 50% purchase from Santos. Santos remains operator with 50%. Sole resource was assessed by Santos as operator.

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8 May 2015drilling progress report▲ Good

Drillsearch's April report confirms Spinel-1 and Emery-1 as Santos joint venture gas discoveries, making six from seven wells in the FY2015 campaign. One well remains. Repeats Emery-1 news from 4 May.

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6 May 2015drilling progress report● Neutral

Beach's April report is mostly its own wells. In Santos-operated Cooper work, Narie-4, Coonatie-23 and Barrolka-17 were cased as future producers, Swan Lake-13 reached depth, and Barrolka-16 was drilling. Continues the campaigns; no major Santos news.

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4 May 2015drilling result▲ Good

Emery-1 in PEL 513 (Santos 60% op, Drillsearch 40%) found about 18.6 m net Patchawarra pay and was cased as a future gas producer. It is the sixth discovery from seven wells in the joint venture campaign; Moonanga South-1 is the last well.

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8 Apr 2015drilling progress report▲ Good

Drillsearch's March report: Spinel-1 in PEL 513 (Santos 60% op) found about 11.3 m net Patchawarra pay and will be cased as a gas producer. That makes five discoveries from six wells in the Santos joint venture campaign; Kyanite-1 repeated.

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1 Apr 2015drilling progress report● Neutral

Beach's March report is mostly its own wells. In Santos-operated Cooper work, the nine-well Mudera/Marabooka/Strzelecki program finished with all wells cased, and Narie, Coonatie and Barrolka wells progressed. No major Santos news.

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25 Mar 2015resource reserve update▲ GoodMajor

Santos issued 5.4m DRP shares at A$7.4192 and 14.3m shares to the underwriter at A$7.53. The notice also discloses a significant Bestari-1 oil discovery in Malaysia's Block R, with 67 m net oil pay; Santos acquired 20% in January 2015. Appraisal is being planned.

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16 Mar 2015drilling result▲ GoodMajor

Kyanite-1 in PEL 513 (Santos 60% op, Drillsearch 40%) was a wet gas discovery with 24.2 m net Patchawarra pay, cased as a future producer near existing infrastructure. It is the fourth discovery from five wells in the campaign; Spinel-1 is next.

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10 Mar 2015drilling progress report▲ Good

Drillsearch's February report: Nulla North-1 (PRL 133, Santos 60% op) was cased as a wet gas discovery with about 4.8 m net pay, resolving the pending test. Kyanite-1 spudded in PEL 513. Stanleys-1 and Bauer wells are Beach-operated, not Santos.

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6 Mar 2015drilling result▼ BadMajor

Hides F1 (Hides Deep) reached 4,633 m but the Koi-Iange Formation exploration target lacked reservoir quality. Santos (24% in the exploration component) will abandon that part; the development section will be completed as a PNG LNG gas producer.

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4 Mar 2015drilling progress report● Neutral

Beach's February report is mostly its own wells. In Santos-operated Cooper work, Nephrite South-13, Mudera-19/-21/-22, Correa-2 and Coonatie-24 were cased as future gas producers, and Gaschnitz-2 was cased with fracture stimulation deferred until the joint venture agrees timing. No major Santos news.

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20 Feb 2015resource reserve update▼ BadMajor

Santos' 2P reserves fell 9% to 1,245 mmboe at end-2014 (from 1,368), mainly a 62 mmboe cut in Gunnedah Basin as flagged in November. 1P reserves rose slightly to 622 mmboe; reserves life 23 years. GLNG 2P reserves rose 4%.

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10 Feb 2015drilling progress report● Neutral

Drillsearch's January report is mostly its own wells. In PEL 632 (Santos 60% op), Nulla North-1 spudded 27 January and showed multiple wet gas shows, with a drill stem test under way. Aquamarine-1 and earlier results repeated; no confirmed new Santos discovery.

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4 Feb 2015drilling progress report● Neutral

Beach's January report is mostly its own wells. In Santos-operated Cooper work, Big Lake-133 and Nephrite South-11 and -12 were cased as gas producers, Kanowana-11 and Mudera-20 were cased, and Gaschnitz-2 reached total depth. No major Santos news.

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14 Jan 2015drilling progress report● Neutral

Senex's December report confirms Jenners-1 in PEL 100 (Santos 25.835%) was plugged and abandoned at 2,525 m with poor oil shows, ending Senex's northern campaign without commercial discovery. Repeats the 2 January dry-hole result; nothing new for Santos.

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8 Jan 2015drilling progress report● Neutral

Drillsearch's December report is mostly its own wells. It repeats the Yarowinnie South-1 discovery in PEL 513 (Santos 60% op, ~15 m net gas pay, 3,142 m). Aquamarine-1 in PEL 632 (Santos op) was plugged and abandoned as sub-commercial; Nulla North-1 due late January.

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7 Jan 2015drilling progress report● Neutral

Beach's December report is mostly its own wells. In Santos-operated Cooper work, Big Lake-123 and -132 and Nephrite South-10 were cased as gas producers, Tennaperra-4 (Santos 70%) was cased as an oil producer, and Gaschnitz-2 kept drilling. No major Santos news.

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2 Jan 2015drilling result▼ Bad

Jenners-1 in PEL 100, Cooper Basin was plugged and abandoned at 2,525 m in basement. Santos holds 25.835%, so it is a dry hole for a non-operated exploration well. Resolves the 15 December spud.

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16 Dec 2014farm in farm out agreement● NeutralMajor

Cooper Energy agreed to buy 50% of the Sole gas field and Orbost Gas Plant from Santos, which keeps 50% and operates. Cooper pays A$2.5m and funds the first A$50m of costs; FEED is due to start, with first gas targeted late 2018/early 2019. Conditions apply.

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15 Dec 2014drilling spud● Neutral

Cooper Energy says Jenners-1 spudded in PEL 100, Cooper Basin, with a planned depth of 2,608 m. Santos holds 25.835% and Senex operates with 55%. Small non-operated exploration well for Santos.

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12 Dec 2014drilling result▲ GoodMajor

Drillsearch says Yarowinnie South-1 in PEL 513 (Santos 60% op) found almost 15 m net gas pay in the Patchawarra, to 3,142 m, and was cased as a future producer. A second wet gas discovery for the joint venture after Varanus South-1.

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5 Dec 2014drilling progress report● Neutral

Drillsearch's November report repeats the Varanus South-1 discovery in PEL 513 (Santos 60% op) and notes Yarowinnie South-1 spudded 28 November. Mostly Drillsearch's own wells; no new Santos result beyond the 27 November announcement.

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3 Dec 2014drilling progress report● Neutral

Beach's November report is mostly its own Bauer oil wells. In Santos-operated Cooper work, Big Lake-121, -122 and -131 and Durham Downs North-4 were cased as gas producers, Nephrite South-10 spudded, and Gaschnitz-3 was cased. No major Santos news.

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27 Nov 2014drilling result▲ GoodMajor

Varanus South-1 in PEL 513 (Santos 60% op, Drillsearch 40%) found 18 m net gas pay in the Patchawarra plus 9 m net hydrocarbon pay in the Tirrawarra, to 3,154 m. Cased as a future wet gas producer; first well of the 2013 joint venture.

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6 Nov 2014drilling progress report● Neutral

Drillsearch's October report covers its Cooper Basin wells. Santos-operated results: Varanus South-1 (PEL 513, Santos 60% op) being prepared to drill, Ipundu North-5 and -7 (ATP 299) deepened and cased as Murta producers. Mostly Drillsearch's own wells; no major Santos result.

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5 Nov 2014drilling progress report● Neutral

Beach's October report mostly covers its own wells. In Santos-operated Cooper work, Balcaminga-2, Durham Downs-8, Leleptian-5 and -6, and Big Lake-120, -126 and -127 were cased as future gas producers, and Tickalara oil wells were cased. No new result of significance for Santos.

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29 Oct 2014farm in farm out completion▲ GoodMajor

New Standard says the PEL 570 farm-out completed: Santos paid A$7.5m for an operated 35% interest and has agreed to meet 75% of remaining earn-in commitments. Government approvals are done. This resolves the 23 October deal; Santos now operates PEL 570 alongside Drillsearch.

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23 Oct 2014farm in farm out agreement▲ GoodMajor

New Standard Energy is selling Santos a 35% operated interest in PEL 570 in the Cooper Basin for A$7.5m cash, with Santos also meeting 75% of New Standard's remaining A$42.5m earn-in commitments. Operatorship moves to Santos; completion awaits government approvals. It extends Santos' Cooper unconventional position.

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1 Oct 2014drilling progress report● Neutral

Beach's September report mostly covers its own wells and Egypt. In Santos-operated Cooper work, Caroowinnie-2, Tallerangie-2, Andree-6 and Big Lake-125, -113 and -114 were cased as future producers, while others kept drilling. No new result of significance for Santos.

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