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

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Key Petroleum Ltd

ASX:KEY ·

What it holds, and what it is worth

40bcf gas

prospective · P90 14.6 / P50 39.6 / P10 72.7

Valued at: Key Petroleum 25%Permit: ACE
1 note for review
  • ACE: 1 later statement(s) describe this interest as not yet held (latest 2019-10-30: NOT YET HELD: 75%) - the 25% may still be being earned
97bcf gas

prospective · P90 33.9 / P50 97.1 / P10 227.4

Valued at: no ownership disclosedPermit: ALFAJOR PROSPECT → ATP 924
2 notes for review
  • Alfajor straddles ['ALFAJOR PROSPECT', 'ATP 924'] with different interests [75, 100]
  • NO STAKE: value shows as zero until ownership is known
25mmbbl oil

prospective · P90 25 / P50 25 / P10 25

Valued at: no ownership disclosed
4 notes for review
  • no permit recorded for Ambrose
  • NO STAKE: value shows as zero until ownership is known
  • liquids: single estimate 25 mmbbl used for P90/P50/P10
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
2mmbbl oil

prospective · P90 0.7 / P50 1.8 / P10 3.4

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Arranoo Updip
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
15mmbbl oil

prospective · P90 8.8 / P50 15.4 / P10 31.3

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Batavia
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
1mmbbl oil

prospective · P90 1.35 / P50 1.35 / P10 1.35

Valued at: Key Petroleum 50%Permit: L7
1 note for review
  • liquids: single estimate 1.35 mmbbl used for P90/P50/P10
64mmbbl oil

prospective · P90 5.6 / P50 63.9 / P10 116.8

Valued at: Key Petroleum 89.23%Permit: EP104
22bcf gas

prospective · P90 11.2 / P50 21.8 / P10 42.9

5mmbbl oil

prospective · P90 1.3 / P50 4.6 / P10 12.4

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Bobcat
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
269bcf gas

prospective · P90 269 / P50 269 / P10 269

55bcf gas

reserve · P90 55 / P50 55 / P10 55

Valued at: Key Petroleum 100%Permit: BOBOCU
2 notes for review
  • gas: single estimate 269 bcf used for P90/P50/P10
  • gas: single estimate 55 bcf used for P90/P50/P10
8mmbbl oil

prospective · P90 4.1 / P50 7.9 / P10 14.1

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Bootenal
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
335bcf gas

prospective · P90 180 / P50 335 / P10 590

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Booth
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
89bcf gas

prospective · P90 89 / P50 89 / P10 89

Valued at: no ownership disclosed
4 notes for review
  • no permit recorded for Booth Deep
  • NO STAKE: value shows as zero until ownership is known
  • gas: single estimate 89 bcf used for P90/P50/P10
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
0mmbbl oil

prospective · P90 0.485 / P50 0.485 / P10 0.485

Valued at: Key Petroleum 100%Permit: BROCKHAM
2 notes for review
  • liquids: single estimate 0.485 mmbbl used for P90/P50/P10
  • liquids: no SPE-PRMS class stated; risked as prospective
4mmbbl oil

prospective · P90 1.8 / P50 4.1 / P10 9.8

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Burney
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
26mmbbl oil

prospective · P90 7.6 / P50 26.2 / P10 50.8

Valued at: Key Petroleum 100%Permit: CANAWAY RIDGE PROJECT
1 note for review
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
2mmbbl oil

prospective · P90 0.7 / P50 2.3 / P10 4.5

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Chandos Updip
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
40bcf gas

prospective · P90 18.5 / P50 39.8 / P10 81

6mmbbl oil

prospective · P90 2.3 / P50 5.6 / P10 13.3

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Cheetah
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
18mmbbl oil

reserve · P90 18 / P50 18 / P10 18

Valued at: Key Petroleum 78.75%Permit: CLIFF HEAD OIL FIELD
2 notes for review
  • liquids: single estimate 18 mmbbl used for P90/P50/P10
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
45mmbbl oil

prospective · P90 25 / P50 44.8 / P10 78.4

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Cliff Head Southwest
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
306mmbbl oil

prospective · P90 305.6 / P50 305.6 / P10 305.6

Valued at: no ownership disclosed
4 notes for review
  • no permit recorded for Croft
  • NO STAKE: value shows as zero until ownership is known
  • liquids: single estimate 305.6 mmbbl used for P90/P50/P10
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
9mmbbl oil

prospective · P90 2.25 / P50 8.6 / P10 14.6

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Crowns
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
2mmbbl oil

prospective · P90 1.1 / P50 1.6 / P10 2.1

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Delilah Footwall
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
0mmbbl oil

prospective · P90 0.2 / P50 0.2 / P10 0.2

Valued at: no ownership disclosed
4 notes for review
  • no permit recorded for Delilah Hanging Wall
  • NO STAKE: value shows as zero until ownership is known
  • liquids: single estimate 0.2 mmbbl used for P90/P50/P10
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
1mmbbl oil

prospective · P90 0.03 / P50 0.81 / P10 1.85

Valued at: Key Petroleum 5%
1 note for review
  • ownership inferred from co-occurrence: NYUNI is stated in the same documents as Dibbler's figures (entity map had no link)
2mmbbl oil

prospective · P90 2 / P50 2 / P10 2

Valued at: no ownership disclosedPermit: DUNNART-2
5 notes for review
  • DUNNART-2: no ownership statement or schedule found for this permit
  • NO STAKE: value shows as zero until ownership is known
  • liquids: single estimate 2 mmbbl used for P90/P50/P10
  • liquids: no SPE-PRMS class stated; risked as prospective
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
6mmbbl oil

contingent · P90 3.3 / P50 6 / P10 9.8

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Dunsborough
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
2mmbbl oil

prospective · P90 0.2 / P50 2.3 / P10 14.2

Valued at: Key Petroleum 89.23%Permit: EP104
200bcf gas

prospective · P90 200 / P50 200 / P10 200

30mmbbl oil

prospective · P90 30 / P50 30 / P10 30

Valued at: no ownership disclosed
5 notes for review
  • no permit recorded for Fanjove North
  • NO STAKE: value shows as zero until ownership is known
  • gas: single estimate 200 bcf used for P90/P50/P10
  • liquids: single estimate 30 mmbbl used for P90/P50/P10
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
42bcf gas

contingent · P90 42 / P50 42 / P10 42

Valued at: no ownership disclosed
4 notes for review
  • no permit recorded for Frankland
  • NO STAKE: value shows as zero until ownership is known
  • gas: single estimate 42 bcf used for P90/P50/P10
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
16bcf gas

prospective · P90 9.7 / P50 15.8 / P10 24.6

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Frankland NE
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
30bcf gas

prospective · P90 18.3 / P50 29.8 / P10 45.7

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Frankland NE2
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
33mmbbl oil

prospective · P90 2.8 / P50 33.3 / P10 77.9

Valued at: Key Petroleum 89.23%Permit: EP104
30mmbbl oil

prospective · P90 30 / P50 30 / P10 30

Valued at: no ownership disclosed
4 notes for review
  • no permit recorded for Griffith
  • NO STAKE: value shows as zero until ownership is known
  • liquids: single estimate 30 mmbbl used for P90/P50/P10
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
14mmbbl oil

prospective · P90 13.6 / P50 13.6 / P10 13.6

Valued at: no ownership disclosed
4 notes for review
  • no permit recorded for Hall
  • NO STAKE: value shows as zero until ownership is known
  • liquids: single estimate 13.6 mmbbl used for P90/P50/P10
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
4mmbbl oil

prospective · P90 2.9 / P50 4.2 / P10 5.5

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Hinkley A
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
2mmbbl oil

prospective · P90 1.5 / P50 2.1 / P10 2.7

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Hinkley B
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
0mmbbl oil

prospective · P90 0.36 / P50 0.36 / P10 0.36

Valued at: no ownership disclosed
4 notes for review
  • no permit recorded for Hinkley South
  • NO STAKE: value shows as zero until ownership is known
  • liquids: single estimate 0.36 mmbbl used for P90/P50/P10
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
4mmbbl oil

contingent · P90 1.3 / P50 3.9 / P10 6.5

Valued at: Key Petroleum 50%Permit: JIMBOLIA
1 note for review
  • liquids: no best estimate stated; P50 taken as 3.9 from the low/high midpoint case
45bcf gas

contingent · P90 45 / P50 45 / P10 45

7mmbbl oil

contingent · P90 7.5 / P50 7.5 / P10 7.5

Valued at: Key Petroleum 5%Permit: KILIWANI NORTH
2 notes for review
  • gas: single estimate 45 bcf used for P90/P50/P10
  • liquids: single estimate 7.5 mmbbl used for P90/P50/P10
6bcf gas

prospective · P90 2.5 / P50 5.9 / P10 13

1mmbbl oil

prospective · P90 0.2 / P50 0.5 / P10 1.4

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Kingston
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
38mmbbl oil

prospective · P90 21.4 / P50 38 / P10 66.3

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Leander Reef Downthrown
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
46mmbbl oil

prospective · P90 26.5 / P50 46.1 / P10 78.1

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Leander Reef Upthrown
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
14mmbbl oil

prospective · P90 8 / P50 14 / P10 23.6

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Leander Reef West
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
0mmbbl oil

prospective · P90 0.343 / P50 0.343 / P10 0.343

Valued at: Key Petroleum 100%Permit: LIDSEY
2 notes for review
  • liquids: single estimate 0.343 mmbbl used for P90/P50/P10
  • liquids: no SPE-PRMS class stated; risked as prospective
4mmbbl oil

prospective · P90 2.9 / P50 4.2 / P10 5.5

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Longhorn
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
36bcf gas

prospective · P90 20 / P50 36 / P10 62

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for MH11 Deep
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
16bcf gas

prospective · P90 6.5 / P50 16.1 / P10 36.7

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Marengo South
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
34mmbbl oil

prospective · P90 11.3 / P50 33.7 / P10 83.7

Valued at: Key Petroleum 25%
2 notes for review
  • ownership inferred from co-occurrence: ACE is stated in the same documents as Meeba's figures (entity map had no link)
  • ACE: 1 later statement(s) describe this interest as not yet held (latest 2019-10-30: NOT YET HELD: 75%) - the 25% may still be being earned
176mmbbl oil

prospective · P90 176 / P50 176 / P10 176

Valued at: no ownership disclosed
5 notes for review
  • no permit recorded for Mihambia
  • NO STAKE: value shows as zero until ownership is known
  • liquids: single estimate 176 mmbbl used for P90/P50/P10
  • liquids: no SPE-PRMS class stated; risked as prospective
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
2mmbbl oil

prospective · P90 1.7 / P50 1.7 / P10 1.7

Valued at: Key Petroleum 50%Permit: L7
3 notes for review
  • liquids: single estimate 1.7 mmbbl used for P90/P50/P10
  • liquids: no SPE-PRMS class stated; risked as prospective
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
2mmbbl oil

prospective · P90 0.6 / P50 2.2 / P10 7.4

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Mount Horner 11 Updip
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
0mmbbl oil

prospective · P90 0.23 / P50 0.23 / P10 0.23

Valued at: no ownership disclosed
4 notes for review
  • no permit recorded for Mount Horner 12_14 Updip
  • NO STAKE: value shows as zero until ownership is known
  • liquids: single estimate 0.23 mmbbl used for P90/P50/P10
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
0mmbbl oil

prospective · P90 0.23 / P50 0.23 / P10 0.23

Valued at: no ownership disclosed
4 notes for review
  • no permit recorded for Mount Horner 9_10 Updip
  • NO STAKE: value shows as zero until ownership is known
  • liquids: single estimate 0.23 mmbbl used for P90/P50/P10
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
78bcf gas

prospective · P90 45 / P50 78 / P10 129

Valued at: Key Petroleum 50%Permit: L7
3mmbbl oil

prospective · P90 3.11 / P50 3.11 / P10 3.11

Valued at: no ownership disclosed
4 notes for review
  • no permit recorded for Mount Horner Hanging Wall
  • NO STAKE: value shows as zero until ownership is known
  • liquids: single estimate 3.11 mmbbl used for P90/P50/P10
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
1mmbbl oil

prospective · P90 0.83 / P50 0.83 / P10 0.83

Valued at: no ownership disclosed
4 notes for review
  • no permit recorded for Mount Horner South
  • NO STAKE: value shows as zero until ownership is known
  • liquids: single estimate 0.83 mmbbl used for P90/P50/P10
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
148bcf gas

prospective · P90 82 / P50 148 / P10 250

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Mtn Bridge Sth
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
21bcf gas

prospective · P90 14 / P50 21 / P10 36

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for NW Deep
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
4mmbbl oil

prospective · P90 1.8 / P50 3.7 / P10 8.1

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Nice
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
233bcf gas

contingent · P90 233 / P50 233 / P10 233

Valued at: Key Petroleum 5%Permit: NYUNI
1 note for review
  • gas: single estimate 233 bcf used for P90/P50/P10
1,000bcf gas

prospective · P90 1000 / P50 1000 / P10 1000

Valued at: Key Petroleum 5%Permit: NYUNI-2
3 notes for review
  • gas: single estimate 1000 bcf used for P90/P50/P10
  • gas: no SPE-PRMS class stated; risked as prospective
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
14mmbbl oil

prospective · P90 14 / P50 14 / P10 14

Valued at: no ownership disclosed
4 notes for review
  • no permit recorded for Patterson
  • NO STAKE: value shows as zero until ownership is known
  • liquids: single estimate 14 mmbbl used for P90/P50/P10
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
20bcf gas

contingent · P90 20 / P50 20 / P10 20

Valued at: no ownership disclosed
4 notes for review
  • no permit recorded for Perseverance
  • NO STAKE: value shows as zero until ownership is known
  • gas: single estimate 20 bcf used for P90/P50/P10
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
2mmbbl oil

prospective · P90 0.8 / P50 2.1 / P10 4.2

Valued at: Key Petroleum 85.4%Permit: L15
5bcf gas

contingent · P90 2.41 / P50 4.725 / P10 8.42

Valued at: Key Petroleum 85.4%Permit: L15
7bcf gas

prospective · P90 3.1 / P50 7.1 / P10 14.1

1mmbbl oil

prospective · P90 0.4 / P50 1.1 / P10 2.5

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Royals
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
3mmbbl oil

prospective · P90 1.7 / P50 3.3 / P10 7.6

Valued at: Key Petroleum 85.4%Permit: L15
16mmbbl oil

prospective · P90 1 / P50 16 / P10 40.1

Valued at: Key Petroleum 89.23%Permit: EP104
1mmbbl oil

prospective · P90 0.3 / P50 0.7 / P10 4.9

Valued at: Key Petroleum 85.23%Permit: R1
64bcf gas

prospective · P90 20.2 / P50 63.9 / P10 124.5

13mmbbl oil

prospective · P90 2.67 / P50 13.25 / P10 24.48

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Taj
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
500bcf gas

prospective · P90 150 / P50 500 / P10 950

Valued at: no ownership disclosedPermit: TANBAR GAS PROJECT → ATP 924
2 notes for review
  • Tanbar straddles ['TANBAR GAS PROJECT', 'ATP 924'] with different interests [75, 100]
  • NO STAKE: value shows as zero until ownership is known
5mmbbl oil

prospective · P90 2.7 / P50 5.1 / P10 9.5

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Twin Lions Updip
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
44mmbbl oil

prospective · P90 24.5 / P50 44.2 / P10 75.8

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Twin Lions West
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
204mmbbl oil

prospective · P90 204 / P50 204 / P10 204

Valued at: no ownership disclosed
4 notes for review
  • no permit recorded for Walsh
  • NO STAKE: value shows as zero until ownership is known
  • liquids: single estimate 204 mmbbl used for P90/P50/P10
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
0mmbbl oil

contingent · P90 0.06 / P50 0.12 / P10 0.26

0mmbbl oil

reserve · P90 0.25 / P50 0.38 / P10 0.66

Valued at: Key Petroleum 85.4%Permit: L15
3mmbbl oil

prospective · P90 2.2 / P50 3.1 / P10 4

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for WhatNot
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
2mmbbl oil

prospective · P90 0.14 / P50 1.56 / P10 3.91

Valued at: Key Petroleum 100% of volumes already stated netPermit: WYE KNOT-1 → EP437
2 notes for review
  • Wye Knot straddles ['WYE KNOT-1', 'EP437'] with different interests [43.47, 86.94]
  • NO STAKE: value shows as zero until ownership is known
160mmbbl oil

contingent · P90 160 / P50 160 / P10 160

Valued at: Key Petroleum 45%Permit: XANADU-1 JOINT VENTURE
2 notes for review
  • liquids: single estimate 160 mmbbl used for P90/P50/P10
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
8mmbbl oil

prospective · P90 3.9 / P50 7.9 / P10 14.6

Valued at: no ownership disclosed
3 notes for review
  • no permit recorded for Yungarra
  • NO STAKE: value shows as zero until ownership is known
  • NO STAKE: Key Petroleum value shows as zero until a stake is entered
50%
Probability of
4,888
mmbbl
28.9%
Value retained
$2,100,053,000.00
AUD

Leverage per instrument

ASX:KEY
13363%
$0.08 → $10.69