(million barrels) |
Italy |
Rest of Europe |
North Africa |
Sub-Saharan Africa |
Kazakh- |
Rest of Asia |
Americas |
Australia and Oceania |
Total |
2011 |
|
|
|
|
|
|
|
|
|
Reserves of consolidated subsidiaries at December 31, 2010 |
248 |
349 |
978 |
750 |
788 |
139 |
134 |
29 |
3,415 |
of which: developed |
183 |
207 |
656 |
533 |
251 |
39 |
62 |
20 |
1,951 |
undeveloped |
65 |
142 |
322 |
217 |
537 |
100 |
72 |
9 |
1,464 |
Purchase of minerals in place |
|
|
|
|
|
|
|
|
|
Revisions of previous estimates |
34 |
58 |
10 |
14 |
(112) |
(20) |
1 |
|
(15) |
Improved recovery |
|
2 |
2 |
2 |
|
|
|
|
6 |
Extensions and discoveries |
|
9 |
2 |
11 |
|
|
17 |
|
39 |
Production |
(23) |
(44) |
(75) |
(100) |
(23) |
(13) |
(20) |
(4) |
(302) |
Sales of minerals in place |
|
(2) |
|
(7) |
|
|
|
|
(9) |
Reserves of consolidated subsidiaries at December 31, 2011 |
259 |
372 |
917 |
670 |
653 |
106 |
132 |
25 |
3,134 |
Reserves of equity-accounted entities at December 31, 2010 |
|
|
19 |
6 |
|
44 |
139 |
|
208 |
of which: developed |
|
|
18 |
4 |
|
5 |
25 |
|
52 |
undeveloped |
|
|
1 |
2 |
|
39 |
114 |
|
156 |
Purchase of minerals in place |
|
|
|
|
|
|
|
|
|
Revisions of previous estimates |
|
|
|
11 |
|
6 |
11 |
|
28 |
Improved recovery |
|
|
|
|
|
|
1 |
|
1 |
Extensions and discoveries |
|
|
|
6 |
|
60 |
4 |
|
70 |
Production |
|
|
(2) |
(1) |
|
|
(4) |
|
(7) |
Sales of minerals in place |
|
|
|
|
|
|
|
|
|
Reserves of equity-accounted entities at December 31, 2011 |
|
|
17 |
22 |
|
110 |
151 |
|
300 |
Reserves at December 31, 2011 |
259 |
372 |
934 |
692 |
653 |
216 |
283 |
25 |
3,434 |
Developed |
184 |
195 |
638 |
487 |
215 |
34 |
117 |
25 |
1,895 |
consolidated subsidiaries |
184 |
195 |
622 |
483 |
215 |
34 |
92 |
25 |
1,850 |
equity-accounted entities |
|
|
16 |
4 |
|
|
25 |
|
45 |
Undeveloped |
75 |
177 |
296 |
205 |
438 |
182 |
166 |
|
1,539 |
consolidated subsidiaries |
75 |
177 |
295 |
187 |
438 |
72 |
40 |
|
1,284 |
equity-accounted entities |
|
|
1 |
18 |
|
110 |
126 |
|
255 |
