Page 288 - Annual Report 2020

Millions of barrels of oil equivalent (a) Australia United States Other (d) Total
Proved developed and undeveloped oil, condensate, natural gas and NGL reserves (b)
Reserves at 30 June 2017 632.1 (e) 824.0 (f) (i) 78.6 1,534.6 (h) (i)
(g)
Improved recovery – – – –
Revisions of previous estimates (20.9) 3.5 10.2 (7.3)
Extensions and discoveries – 75.0 – 75.0
Purchase/sales of reserves – (5.3) – (5.3)
Production (c) (82.2) (103.3) (12.1) (197.6)
Total changes (103.1) (30.1) (1.9) (135.1)
(g)
Reserves at 30 June 2018 529.0 (e) 793.8 (f) (i) 76.7 1,399.5 (h) (i)
Improved recovery – – – –
Revisions of previous estimates 21.6 29.1 5.1 55.8
Extensions and discoveries 0.6 0.9 – 1.6
Purchase/sales of reserves – (463.9) – (463.9)
Production (c) (76.8) (57.8) (17.9) (152.4)
Total changes (54.5) (491.7) (12.8) (558.9)
Reserves at 30 June 2019 474.5 302.2 63.9 (g) 840.6
(f)
(e)
(h)
Improved recovery – – – –
Revisions of previous estimates (35.4) 24.8 0.2 (10.4)
Extensions and discoveries 12.5 – 19.0 31.5
Purchase/sales of reserves – – – –
Production (c) (73.4) (26.3) (13.9) (113.6)
Total changes (96.3) (1.5) 5.2 (92.6)
(h)
Reserves at 30 June 2020 378.2 300.7 (f) 69.1 (g) 748.0
(e)
Developed
Proved developed oil, condensate, natural gas and NGL reserves
as of 30 June 2017 523.8 453.1 74.6 1,051.6
as of 30 June 2018 439.6 464.7 73.9 978.2
as of 30 June 2019 414.9 144.1 62.2 621.2
Developed reserves as of 30 June 2020 312.6 148.3 48.6 509.5
Undeveloped
Proved undeveloped oil, condensate, natural gas and NGL reserves
as of 30 June 2017 108.2 370.8 4.0 483.1
as of 30 June 2018 89.4 329.2 2.8 421.3
as of 30 June 2019 59.6 158.1 1.7 219.4
Undeveloped reserves as of 30 June 2020 65.6 152.4 20.5 238.5
(a) Barrel oil equivalent conversion based on 6,000 scf of natural gas equals 1 boe.
(b) Small differences are due to rounding to first decimal place.
(c) Production includes volumes consumed by operations.
(d) ‘Other’ comprises Algeria, Trinidad and Tobago and the United Kingdom (sold in FY2019).
(e) For FY2017, FY2018, FY2019 and FY2020 amounts include 49, 49, 45 and 41 million barrels equivalent respectively, which are anticipated to be consumed as fuel
in operations in Australia.
(f) For FY2017, FY2018, FY2019 and FY2020 amounts include 28, 29, 11 and 11 million barrels equivalent respectively, which are anticipated to be consumed as fuel
in operations in the United States.
(g) For FY2017, FY2018, FY2019 and FY2020 amounts include 3, 3, 2 and 3 million barrels equivalent respectively, which are anticipated to be consumed as fuel
in operations in Other areas.
(h) For FY2017, FY2018, FY2019 and FY2020 amounts include 80, 81, 58 and 55 million barrels equivalent respectively, which are anticipated to be consumed as fuel
in operations.
(i) For FY2017 and FY2018 amounts include 531 and 490 million barrels equivalent respectively attributable to discontinued operations of Onshore US.

286 BHP Annual Report 2020