Stockle reads every announcement from 1,900+ oil, gas and mining companies and explains it in plain English - 256,000 so far. It shows what a company holds in the ground against what the market pays for it, and what each announcement means for your own shares. To value a company: pick a discovery or prospect, choose how big it could be, set how likely it is, and see its value per share against the share price.
Every announcement explained, every estimate from the company's own words, and the value worked out your way.
VAALCO ENERGY INC /DE/ · SEC filer
A rig is already mobilized for the next drilling program at the Baobab field, which the company says should lift production in 2027.
Red Sky Energy Ltd · ASX
Red Sky Energy, which holds 20% of a Santos-operated Cooper Basin program, has started the first of two Yarrow wells after weather delays, with a third well at Willowie slated for late October.
Invictus Energy Ltd · ASX
Invictus Energy has signed a revised rig contract and set November 2026 for drilling to start at Musuma-1, narrowing its earlier 'second half of 2026' guidance.
Elixir Energy Ltd · ASX
Elixir Energy plans a second flow-test phase at its Lorelle-3H well in the Taroom Trough from 1 October 2026, while restarting testing at Diona-1 depends on joint venture approval and has no stated date.
BATTALION OIL CORP · SEC filer
The NYSE-listed oil producer says it intends to begin drilling in the Monument Draw area in January 2027, a project tied to a 1 million barrel prospective estimate in which the company has not disclosed its interest.
Prominence Energy NL · ASX
The ASX-listed explorer says it plans to drill about three shallow wells for roughly $5 million, but licences, resource estimates and funding are still to be settled.
88 Energy Limited · ASX
88 Energy has a rig and camp lined up for its Augusta-1 exploration well on Alaska's North Slope, but it has not yet found a partner to share the cost.
Each company's whole record, from its first announcement to its latest, told as one story and checked against the company's own filings.
Po Valley Energy Limited · 168 story beats · calculator
Po Valley Energy set out to bring northern Italian gas to market. In early 2006 its Vitalba 1d well flowed 2.8 million cubic feet a day, the third positive test in six weeks, and proven reserves rose 45% to 36.6 bcf (billion cubic feet).
Read Po Valley Energy Limited's story →Brookside Energy Limited · 224 story beats · calculator
Red Fork started in Oklahoma's Cherokee Basin. In April 2006 it agreed to buy the remaining 22.5% of its Osage County project for US$1.8 million, lifting its interest to 100% and making it operator. It part-funded this with a A$1.32 million placement at 22 cents.
Read Brookside Energy Limited's story →Bass Oil Limited · 168 story beats · calculator
Bass Strait Oil, later Bass Oil, began in 2006 with two new Bass Basin permits, T/42P and T/43P, covering about 6,120 sq km off Tasmania. Its first well, Pritchard-1 in the Otway Basin, was dry, though it earned the company 25% of PEP 151 and a path to 15% of PEP 150.
Read Bass Oil Limited's story →Tamboran Resources Corp · 109 story beats · calculator
Tamboran listed on the ASX on 1 July 2021, raising $61 million at $0.40 a share, with 422,332,923 shares quoted. About $40.4 million was earmarked for the Maverick 1H well and $13.6 million for wells at Tanumbirini.
Read Tamboran Resources Corp's story →AXP Energy Limited · 281 story beats · calculator
Austin Exploration listed in mid-2006 with an offer of 50 million shares at $0.20 to raise $10 million. Its first well, Ezell 4-H in Texas, tested at over 1.5 million cubic feet of gas a day, with Austin holding 35%. After that the early drilling disappointed.
Read AXP Energy Limited's story →3D Oil · 130 story beats · calculator
3D Oil listed on the ASX on 22 May 2007 in an IPO raising $44m, paid in two instalments. The final 15c call, received in December 2007 from 98% of the 110m shares, brought in $16.23m. A further $7.02m placement at 52c followed in April 2008.
Read 3D Oil's story →4 Sept 2026 · Po Valley Energy Limited
The ministry confirmed the four-well EIA is admissible, opening a 60-day public comment period from 1 September. A new 12-month Hera Trading gas sales agreement starts 1 October 2026 (28.19m scm estimated), renewing the current deal. August gas sold at a record €0.67/scm.
4 Sept 2026 · Stanmore Resources Ltd
Agrees to buy 100% of the Moranbah South tenements from Exxaro for US$105m, funded from existing cash and liquidity. They hold 724Mt Measured and Indicated resource next to Eagle Downs, and the deal removes up to US$60m of deferred payments tied to the Isaac Downs Extension. Completion is expected by end of 2026 and depends on Exxaro first acquiring Anglo's 50%.
3 Sept 2026 · Bass Oil Limited
Logs and mud logs show a third oil zone, the M sand, in Bunian 6. It has not been seen before in the Bunian field but is the main producing zone in the neighbouring Tangai field. It will be tested when the well starts; reserve impact is yet to be quantified.
3 Sept 2026 · BLAZE Minerals Ltd
Blaze signed a binding agreement to acquire up to 90% of two Ugandan tungsten projects, Bahati and Buyaga, alongside the earlier Botswana copper deal. It also secured commitments for a $2.25M placement of 4.5B shares at $0.0005. Bahati sampling returned up to 20.78% WO3 over 1m.
3 Sept 2026 · Brookside Energy Limited
Whalers reached planned depth with casing cemented and Rig 18 released, completing drilling of both Suttles wells with full planned laterals in target formations. Zipper-frac completion is next, then sales. No flow rates or costs reported yet.
2 Sept 2026 · AXP Energy Limited
The 320kW gas-to-power unit is operating with 99% uptime. Charlie #1 flowed 11 bbl of oil in a one-hour test, choked to ~100 psi; the company says this is not a stable daily rate. A 10-day flow test follows.
2 Sept 2026 · Brookside Energy Limited
Completed purchase of Lone Star's US oil and gas interests, a Stonehorse subsidiary, for US$1.114m (~US$9,100 per flowing BOE/d). Adds ~123 BOE/d, about 9% of Q2 production, with no new shares issued. Stonehorse is Brookside's Orion partner.
2 Sept 2026 · Cauldron Energy Ltd
19 holes at Manyingee South found mineralisation about 2.5km upstream beyond the 2026 resource boundary. A further 21 Manyingee North holes continue north, reaching the heritage clearance limit. Resource updates for both deposits are promised 'in due course'; none stated yet.
2 Sept 2026 · Tamboran Resources Corp
Gas commissioning has begun at the Sturt Plateau Compression Facility using gas from the Shenandoah South 2 pad, with all five wells tied in. First sales of up to 40 TJ/d to the NT Government are described as imminent. Construction remains on schedule within the A$141M budget.
1 Sept 2026 · 3D Oil
RISC valued TDO's 20% VIC/P79 interest at US$19.8m (A$28.6m): US$13.0m for Essington, risked at 51%, plus US$6.8m exploration value. ConocoPhillips can buy until 24 September 2026, at that value less the default claim, interest and a discount. TDO says it materially undervalues the interest and disputes the notices' validity.
1 Sept 2026 · Jupiter Energy Ltd
The four noteholders extended the interest-free period on their notes from 31 December 2026 to 31 December 2028, resolving the earlier May 2025 proposal. A further US$300,000 was repaid in late August, leaving US$13.87m. The text does not mention the AIX listing.
1 Sept 2026 · Greenvale Energy Ltd
Ground work at the Powers Prospect (EL34157) defined a potential paleochannel target about 9km long and up to 400m wide, with handheld readings of 20-28ppm eU, 3-4 times background. Extends the early August findings; indicators only, not drilling or lab results. Drill permitting has begun.
In-ground value of each company's disclosed reserves and resources against its market cap, at a 50% chance of success and 50% chance of development. Above 1× means the market pays less than that.
| Company | Price | Market cap | In-ground value | Risked multiple |
|---|---|---|---|---|
| Vintage Energy LtdASX:VEN | AUD 0.002 | A$5m | A$59m | 8.53× |
| Comet Ridge LtdASX:COI | AUD 0.077 | A$129m | A$1.3bn | 5.61× |
| VISTA GOLD CORPNYSE:VGZ | USD 2.64 | A$545m | A$2.8bn | 5.08× |
| Prairie Operating Co.NYSE:PROP | USD 0.4058 | A$65m | A$318m | 4.91× |
| Australis Oil & Gas LtdASX:ATS | AUD 0.033 | A$46m | A$347m | 3.81× |
