Movements in net proved hydrocarbons reserves |
(mmboe) |
|
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|
|
|||
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|
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|
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|
|
Italy |
Rest of Europe |
North Africa |
Sub-Saharan |
Kazakhstan |
Rest of Asia |
America |
Australia |
Total |
2013 |
|
|
|
|
|
|
|
|
|
Consolidated subsidiaries |
|
|
|
|
|
|
|
|
|
Reserves at December 31, 2012 |
524 |
591 |
1,915 |
1,048 |
1,041 |
184 |
236 |
128 |
5,667 |
of which: developed |
406 |
349 |
1,080 |
716 |
458 |
108 |
170 |
107 |
3,394 |
undeveloped |
118 |
242 |
835 |
332 |
583 |
76 |
66 |
21 |
2,273 |
Purchase of minerals in place |
|
|
4 |
|
|
|
|
|
4 |
Revisions of previous estimates |
38 |
35 |
59 |
169 |
30 |
81 |
37 |
59 |
508 |
Improved recovery |
|
|
|
5 |
|
|
|
|
5 |
Extensions and discoveries |
4 |
1 |
6 |
53 |
|
38 |
6 |
|
108 |
Production |
(67) |
(57) |
(201) |
(120) |
(36) |
(40) |
(39) |
(11) |
(571) |
Sales of minerals in place |
|
(13) |
|
|
|
|
|
|
(13) |
Reserves at December 31, 2013 |
499 |
557 |
1,783 |
1,155 |
1,035 |
263 |
240 |
176 |
5,708 |
Equity-accounted entities |
|
|
|
|
|
|
|
|
|
Reserves at December 31, 2012 |
|
|
20 |
81 |
|
668 |
730 |
|
1,499 |
of which: developed |
|
|
20 |
|
|
82 |
20 |
|
122 |
undeveloped |
|
|
|
81 |
|
586 |
710 |
|
1,377 |
Purchase of minerals in place |
|
|
1 |
(5) |
|
4 |
|
|
|
Revisions of previous estimates |
|
|
|
|
|
|
|
|
|
Improved recovery |
|
|
|
|
|
|
|
|
|
Extensions and discoveries |
|
|
|
|
|
|
|
|
|
Production |
|
|
(2) |
(1) |
|
(13) |
(4) |
|
(20) |
Sales of minerals in place |
|
|
|
|
|
(652) |
|
|
(652) |
Reserves at December 31, 2013 |
|
|
19 |
75 |
|
7 |
726 |
|
827 |
Reserves at December 31, 2013 |
499 |
557 |
1,802 |
1,230 |
1,035 |
270 |
966 |
176 |
6,535 |
Developed |
408 |
343 |
1,022 |
701 |
566 |
93 |
171 |
123 |
3,427 |
consolidated subsidiaries |
408 |
343 |
1,003 |
701 |
566 |
90 |
153 |
123 |
3,387 |
equity-accounted entities |
|
|
19 |
|
|
3 |
18 |
|
40 |
Undeveloped |
91 |
214 |
780 |
529 |
469 |
177 |
795 |
53 |
3,108 |
consolidated subsidiaries |
91 |
214 |
780 |
454 |
469 |
173 |
87 |
53 |
2,321 |
equity-accounted entities |
|
|
|
75 |
|
4 |
708 |
|
787 |