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Friday 9 October 2026 · Oil, gas and mining explorers, from their own disclosures

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Hartshead Resources NL

ASX:HHR ·

What it holds, and what it is worth

40bcf gas

contingent · P90 9 / P50 40 / P10 75

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for 44/19-3
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
62mmbbl oil

prospective · P90 22 / P50 62 / P10 161

Valued at: Hartshead Resources NL 23%Permit: MAZAGAN
478mmbbl oil

prospective · P90 167 / P50 478 / P10 1137

Valued at: Hartshead Resources NL 23%Permit: MAZAGAN
342mmbbl oil

prospective · P90 122 / P50 342 / P10 869

Valued at: Hartshead Resources NL 23%Permit: MAZAGAN
12bcf gas

prospective · P90 5 / P50 12 / P10 29

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Anderson
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
29bcf gas

prospective · P90 11 / P50 28.5 / P10 68.1

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Anglia Far North
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
19bcf gas

contingent · P90 10.2 / P50 19.1 / P10 32.6

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Anglia North
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
24bcf gas

contingent · P90 12.5 / P50 24.2 / P10 43.3

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Anglia Paris
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
91bcf gas

contingent · P90 32 / P50 91 / P10 204

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Annabel East
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
145bcf gas

reserve · P90 73 / P50 145 / P10 145

Valued at: Hartshead Resources NL 40%Permit: ANNING → P2607
1 note for review
  • gas: high case not stated; set equal to P50
238mmbbl oil

prospective · P90 42 / P50 238 / P10 680

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Aptian
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
68bcf gas

contingent · P90 47.2 / P50 67.8 / P10 94

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Bedevere Central
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
96bcf gas

contingent · P90 68.1 / P50 96.3 / P10 130.4

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Bedevere North
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
56bcf gas

contingent · P90 39.1 / P50 56.3 / P10 78.5

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Bedevere South
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
41bcf gas

contingent · P90 15 / P50 41 / P10 76

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Boulton-H
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
21bcf gas

prospective · P90 16 / P50 21.4 / P10 28.1

Valued at: Hartshead Resources NL 35%
2 notes for review
  • ownership inferred from co-occurrence: GORA is stated in the same documents as Bronow's figures (entity map had no link)
  • GORA: 1 later statement(s) describe this interest as not yet held (latest 2021-06-01: NOT YET HELD: 0%) - the 35% may still be being earned
19bcf gas

contingent · P90 8 / P50 19 / P10 43

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Cameron
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
156bcf gas

contingent · P90 72 / P50 156 / P10 330

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Castletown
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
39mmbbl oil

prospective · P90 9 / P50 39 / P10 95

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Cenomanian
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
34mmbbl oil

prospective · P90 34 / P50 34 / P10 34

Valued at: Hartshead Resources NL 100%Permit: NKEMBE
1 note for review
  • liquids: single estimate 34 mmbbl used for P90/P50/P10
171bcf gas

prospective · P90 62 / P50 171 / P10 354

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Doyle
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
23bcf gas

prospective · P90 17.4 / P50 23.2 / P10 34.8

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Emerald
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
124bcf gas

contingent · P90 68 / P50 124 / P10 205

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Ensign
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
11bcf gas

prospective · P90 3 / P50 11 / P10 26

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for FFs Prospect 1
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
19bcf gas

prospective · P90 8 / P50 19 / P10 37

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for FFs Prospect 2
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
9bcf gas

prospective · P90 4 / P50 9 / P10 17

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for FFs Prospect 3
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
20bcf gas

contingent · P90 7 / P50 20 / P10 56

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Garnet
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
100bcf gas

contingent · P90 35 / P50 100 / P10 387

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Hodgkin
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
36mmbbl oil

contingent · P90 36 / P50 36 / P10 36

Valued at: no ownership disclosed
4 notes for review
  • no permit recorded for Jany-C1
  • NO STAKE: value shows as zero until ownership is known
  • liquids: single estimate 36 mmbbl used for P90/P50/P10
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
322mmbbl oil

prospective · P90 121 / P50 322 / P10 851

Valued at: Hartshead Resources NL 23%Permit: MAZAGAN
157mmbbl oil

prospective · P90 55 / P50 157 / P10 414

Valued at: Hartshead Resources NL 23%Permit: MAZAGAN
640mmbbl oil

prospective · P90 229 / P50 640 / P10 1687

Valued at: Hartshead Resources NL 23%Permit: MAZAGAN
167mmbbl oil

prospective · P90 58 / P50 167 / P10 400

Valued at: Hartshead Resources NL 23%Permit: MAZAGAN
217mmbbl oil

prospective · P90 78 / P50 217 / P10 570

Valued at: Hartshead Resources NL 23%Permit: MAZAGAN
689mmbbl oil

prospective · P90 237 / P50 689 / P10 1780

Valued at: Hartshead Resources NL 23%Permit: MAZAGAN
370mmbbl oil

prospective · P90 130 / P50 370 / P10 953

Valued at: Hartshead Resources NL 23%Permit: MAZAGAN
49mmbbl oil

prospective · P90 12 / P50 49 / P10 207

Valued at: Hartshead Resources NL 23%Permit: MAZAGAN
1 note for review
  • liquids: no SPE-PRMS class stated; risked as prospective
67bcf gas

contingent · P90 28 / P50 67 / P10 120

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Katy
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
60mmbbl oil

prospective · P90 25 / P50 60 / P10 114

Valued at: Hartshead Resources NL 100%Permit: NKEMBE
16mmbbl oil

contingent · P90 15.7 / P50 15.7 / P10 15.7

Valued at: Hartshead Resources NL 100%Permit: NKEMBE
1 note for review
  • liquids: single estimate 15.7 mmbbl used for P90/P50/P10
12mmbbl oil

prospective · P90 11.7 / P50 11.7 / P10 11.7

Valued at: Hartshead Resources NL 100%Permit: NKEMBE
1 note for review
  • liquids: single estimate 11.7 mmbbl used for P90/P50/P10
11mmbbl oil

prospective · P90 4.9 / P50 10.5 / P10 18.1

Valued at: Hartshead Resources NL 100%Permit: NKEMBE
16bcf gas

prospective · P90 5 / P50 16 / P10 31

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Lonsdale
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
39bcf gas

contingent · P90 14 / P50 39 / P10 70

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Lovelace
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
450mmbbl oil

prospective · P90 84 / P50 450 / P10 1290

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Lower Jurassic Fan 1
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
79mmbbl oil

prospective · P90 21 / P50 79 / P10 189

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Lower Jurassic Fan 2
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
306mmbbl oil

prospective · P90 60 / P50 306 / P10 820

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Lower Jurassic Fan 3
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
639mmbbl oil

prospective · P90 639 / P50 639 / P10 639

Valued at: Hartshead Resources NL 100%Permit: NKEMBE
1 note for review
  • liquids: single estimate 639 mmbbl used for P90/P50/P10
1,400mmbbl oil

prospective · P90 1400 / P50 1400 / P10 3000

Valued at: no ownership disclosed
4 notes for review
  • no permit recorded for Mazagan
  • NO STAKE: value shows as zero until ownership is known
  • liquids: low case not stated; set equal to P50
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
27bcf gas

prospective · P90 18 / P50 27 / P10 39

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for McLaren
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
225mmbbl oil

prospective · P90 225 / P50 225 / P10 225

Valued at: Hartshead Resources NL 100%Permit: NKEMBE
1 note for review
  • liquids: single estimate 225 mmbbl used for P90/P50/P10
111mmbbl oil

prospective · P90 111 / P50 111 / P10 111

Valued at: no ownership disclosed
4 notes for review
  • no permit recorded for Palomite Deep
  • NO STAKE: value shows as zero until ownership is known
  • liquids: single estimate 111 mmbbl used for P90/P50/P10
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
230bcf gas

prospective · P90 68 / P50 230 / P10 440

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Peel
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
5mmbbl oil

prospective · P90 3 / P50 5 / P10 11

Valued at: no ownership disclosed
4 notes for review
  • no permit recorded for Pompano
  • NO STAKE: value shows as zero until ownership is known
  • LATEST ESTIMATE JUMPED: Oil 400 -> 5 mmbbl vs the previous estimate (2015-03-23) - check units before relying on it
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
110bcf gas

prospective · P90 80.1 / P50 109.7 / P10 148.8

Valued at: Hartshead Resources NL 35%
2 notes for review
  • ownership inferred from co-occurrence: GORA is stated in the same documents as Rawicz North's figures (entity map had no link)
  • GORA: 1 later statement(s) describe this interest as not yet held (latest 2021-06-01: NOT YET HELD: 0%) - the 35% may still be being earned
52bcf gas

prospective · P90 37.8 / P50 51.8 / P10 70.4

Valued at: Hartshead Resources NL 35%
2 notes for review
  • ownership inferred from co-occurrence: GORA is stated in the same documents as Rawicz South's figures (entity map had no link)
  • GORA: 1 later statement(s) describe this interest as not yet held (latest 2021-06-01: NOT YET HELD: 0%) - the 35% may still be being earned
93bcf gas

prospective · P90 69.6 / P50 92.8 / P10 104.4

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Schooner C
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
1,600bcf gas

contingent · P90 700 / P50 1600 / P10 3200

13bcf gas

prospective · P90 9.5 / P50 13.3 / P10 17.8

Valued at: Hartshead Resources NL 35%Permit: SICINY-2
1,200mmbbl oil

prospective · P90 1200 / P50 1200 / P10 1200

Valued at: no ownership disclosed
5 notes for review
  • no permit recorded for Sifaka
  • NO STAKE: value shows as zero until ownership is known
  • liquids: single estimate 1200 mmbbl used for P90/P50/P10
  • liquids: no SPE-PRMS class stated; risked as prospective
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
12bcf gas

prospective · P90 6.96 / P50 11.6 / P10 23.2

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Silmanite West
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
156bcf gas

reserve · P90 107 / P50 156.5 / P10 213

Valued at: Hartshead Resources NL 40%Permit: P2607
47bcf gas

prospective · P90 36 / P50 47 / P10 60

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Stephenson
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
807mmbbl oil

prospective · P90 294 / P50 807 / P10 2114

Valued at: Hartshead Resources NL 23%Permit: MAZAGAN
1,168mmbbl oil

prospective · P90 436 / P50 1168 / P10 3074

Valued at: Hartshead Resources NL 23%Permit: MAZAGAN
89bcf gas

prospective · P90 53 / P50 89 / P10 149

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Ulnaby
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
33bcf gas

prospective · P90 17 / P50 33 / P10 63

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Ulnaby South
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
74bcf gas

prospective · P90 25 / P50 74 / P10 146

Valued at: no ownership disclosedPermit: VIXEN SE
3 notes for review
  • VIXEN SE: no ownership statement or schedule found for this permit
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
52bcf gas

prospective · P90 16 / P50 52 / P10 125

Valued at: no ownership disclosedPermit: VIXEN SW
3 notes for review
  • VIXEN SW: no ownership statement or schedule found for this permit
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
19bcf gas

prospective · P90 4 / P50 19 / P10 55

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Wenlock Prospect 1
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
5bcf gas

prospective · P90 1 / P50 5 / P10 19

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Wenlock Prospect 2
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
5bcf gas

prospective · P90 1 / P50 5 / P10 17

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Wenlock Prospect 3
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
220bcf gas

prospective · P90 174 / P50 220.4 / P10 272.6

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Wheatsheaf
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
21bcf gas

prospective · P90 11 / P50 21 / P10 40

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Widdowson Central
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
29bcf gas

prospective · P90 6 / P50 29 / P10 79

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Widdowson East
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
60bcf gas

contingent · P90 17 / P50 60 / P10 129

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Winchelsea North
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
81bcf gas

prospective · P90 23.2 / P50 81.2 / P10 191.4

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Winchelsea West
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Hartshead Resources NL value shows as zero until a stake is entered
51mmbbl oil

prospective · P90 20 / P50 51 / P10 132

Valued at: Hartshead Resources NL 23%Permit: MAZAGAN
13bcf gas

prospective · P90 10 / P50 13.3 / P10 17.6

Valued at: Hartshead Resources NL 35%
2 notes for review
  • ownership inferred from co-occurrence: GORA is stated in the same documents as Zuchlow West's figures (entity map had no link)
  • GORA: 1 later statement(s) describe this interest as not yet held (latest 2021-06-01: NOT YET HELD: 0%) - the 35% may still be being earned
50%
Probability of
14,837
bcf
25.9%
Value retained
$11,228,960,000.00
AUD