Sasol Form 20-F for the year ended 30 June 2021 - Book - Page 124
TABLE 4—PROVED RESERVE QUANTITY INFORMATION
Proved reserves
The table below summarises proved developed and proved undeveloped reserves of synthetic oil as at 30 June,
for the last three years. As at 30 June 2021, the total proved reserve estimate for synthetic oil is 1 126,4 million barrels in
oil equivalent terms.
Synthetic oil—South Africa
(Millions of barrels)
2021
2020
2019
Opening balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Revisions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Extensions/discoveries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Production . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Balance at 30 June . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Proved developed reserves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Proved undeveloped reserves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 171,6
(9,7)
—
(35,5)
1 126,4
1 126,4
—
1 199,9
—
8,2
(36,5)
1 171,6
1 171,6
—
1 223,2
(2,9)
20,8
(41,2)
1 199,9
1 199,9
—
TABLE 5—STANDARDISED MEASURE OF DISCOUNTED FUTURE NET CASH FLOWS RELATING TO
PROVED RESERVES
Synthetic oil—South Africa
(Rand in millions)
2021
2020
2019
Year ended 30 June
Future cash inflows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Future production costs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Future development costs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Future income taxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Undiscounted future net cash flows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10% annual discount for timing of estimated cash flows . . . . . . . . . . . . . . . . .
Standardised measure of discounted future net cash flows . . . . . . . . . . . . . . .
913 301,8
(625 923,3)
(201 910,1)
(35 537,8)
49 930,6
(33 932,3)
15 998,3
929 728,0
(612 976,2)
(279 245,2)
(24 805,3)
12 701,3
(14 173,4)
(1 472,1)
1 159 985,9
(532 035,3)
(257 706,9)
(123 131,9)
247 111,8
(161 805,5)
85 306,3
The standardised measure of discounted future net cash flows, relating to the proved reserves in the table above,
are calculated in accordance with the requirements of FASB ASC Section 932-235.
G-9