Natural Gas(a)
|
(billion cubic feet) |
Italy (b) |
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 |
2,644 |
1,401 |
6,207 |
2,127 |
1,874 |
871 |
530 |
544 |
16,198 |
||||
|
of which: developed |
2,061 |
1,103 |
3,100 |
1,550 |
1,621 |
560 |
431 |
539 |
10,965 |
||||
|
undeveloped |
583 |
298 |
3,107 |
577 |
253 |
311 |
99 |
5 |
5,233 |
||||
|
Purchase of minerals in place |
9 |
|
|
|
|
|
|
|
9 |
||||
|
Revisions of previous estimates |
80 |
199 |
436 |
(11) |
(142) |
(38) |
51 |
96 |
671 |
||||
|
Improved recovery |
|
3 |
|
|
|
|
|
|
3 |
||||
|
Extensions and discoveries |
4 |
18 |
9 |
18 |
|
|
131 |
|
180 |
||||
|
Production |
(246) |
(196) |
(462) |
(185) |
(84) |
(148) |
(122) |
(36) |
(1,479) |
||||
|
Sales of minerals in place |
|
|
|
|
|
|
|
|
|
||||
|
Reserves of consolidated subsidiaries at December 31, 2011 |
2,491 |
1,425 |
6,190 |
1,949 |
1,648 |
685 |
590 |
604 |
15,582 |
||||
|
Reserves of equity-accounted entities at December 31, 2010 |
|
|
24 |
118 |
|
1,520 |
22 |
|
1,684 |
||||
|
of which: developed |
|
|
22 |
4 |
|
214 |
6 |
|
246 |
||||
|
undeveloped |
|
|
2 |
114 |
|
1,306 |
16 |
|
1,438 |
||||
|
Purchase of minerals in place |
|
2 |
|
|
|
|
|
|
2 |
||||
|
Revisions of previous estimates |
|
|
(2) |
147 |
|
372 |
11 |
|
528 |
||||
|
Improved recovery |
|
|
|
|
|
|
|
|
|
||||
|
Extensions and discoveries |
|
|
|
74 |
|
1,150 |
1,274 |
|
2,498 |
||||
|
Production |
|
|
(2) |
(1) |
|
(9) |
|
|
(12) |
||||
|
Sales of minerals in place |
|
|
|
|
|
|
|
|
|
||||
|
Reserves of equity-accounted entities at December 31, 2011 |
|
2 |
20 |
338 |
|
3,033 |
1,307 |
|
4,700 |
||||
|
Reserves at December 31, 2011 |
2,491 |
1,427 |
6,210 |
2,287 |
1,648 |
3,718 |
1,897 |
604 |
20,282 |
||||
|
Developed |
1,977 |
995 |
3,087 |
1,441 |
1,480 |
552 |
393 |
491 |
10,416 |
||||
|
consolidated subsidiaries |
1,977 |
995 |
3,070 |
1,437 |
1,480 |
528 |
385 |
491 |
10,363 |
||||
|
equity-accounted entities |
|
|
17 |
4 |
|
24 |
8 |
|
53 |
||||
|
Undeveloped |
514 |
432 |
3,123 |
846 |
168 |
3,166 |
1,504 |
113 |
9,866 |
||||
|
consolidated subsidiaries |
514 |
430 |
3,120 |
512 |
168 |
157 |
205 |
113 |
5,219 |
||||
|
equity-accounted entities |
|
2 |
3 |
334 |
|
3,009 |
1,299 |
|
4,647 |
||||
|
(billion cubic feet) |
Italy (b) |
Rest of Europe |
North Africa |
Sub-Saharan Africa |
Kazakh- |
Rest of Asia |
Americas |
Australia and Oceania |
Total |
||
|
|||||||||||
|
2012 |
|
|
|
|
|
|
|
|
|
||
|
Reserves of consolidated subsidiaries at December 31, 2011 |
2,491 |
1,425 |
6,190 |
1,949 |
1,648 |
685 |
590 |
604 |
15,582 |
||
|
of which: developed |
1,977 |
995 |
3,070 |
1,437 |
1,480 |
528 |
385 |
491 |
10,363 |
||
|
undeveloped |
514 |
430 |
3,120 |
512 |
168 |
157 |
205 |
113 |
5,219 |
||
|
Purchase of minerals in place |
|
|
|
|
|
|
|
|
|
||
|
Revisions of previous estimates |
154 |
45 |
|
284 |
141 |
18 |
(41) |
5 |
606 |
||
|
Improved recovery |
|
|
|
|
|
|
|
|
|
||
|
Extensions and discoveries |
24 |
15 |
1 |
113 |
469 |
2 |
4 |
|
628 |
||
|
Production |
(254) |
(168) |
(633) |
(196) |
(81) |
(143) |
(104) |
(37) |
(1,616) |
||
|
Sales of minerals in place |
(782) |
|
|
(89) |
(139) |
|
|
|
(1,010) |
||
|
Reserves of consolidated subsidiaries at December 31, 2012 |
1,633 |
1,317 |
5,558 |
2,061 |
2,038 |
562 |
449 |
572 |
14,190 |
||
|
Reserves of equity-accounted entities at December 31, 2011 |
|
2 |
20 |
338 |
|
3,033 |
1,307 |
|
4,700 |
||
|
of which: developed |
|
|
17 |
4 |
|
24 |
8 |
|
53 |
||
|
undeveloped |
|
2 |
3 |
334 |
|
3,009 |
1,299 |
|
4,647 |
||
|
Purchase of minerals in place |
|
|
|
|
|
|
|
|
|
||
|
Revisions of previous estimates |
|
(2) |
(2) |
3 |
|
1 |
1,340 |
|
1,340 |
||
|
Improved recovery |
|
|
|
|
|
|
|
|
|
||
|
Extensions and discoveries |
|
|
|
17 |
|
38 |
739 |
|
794 |
||
|
Production |
|
|
(2) |
(2) |
|
(29) |
|
|
(33) |
||
|
Sales of minerals in place |
|
|
|
(3) |
|
|
(31) |
|
(34) |
||
|
Reserves of equity-accounted entities at December 31, 2012 |
|
|
16 |
353 |
|
3,043 |
3,355 |
|
6,767 |
||
|
Reserves at December 31, 2012 |
1,633 |
1,317 |
5,574 |
2,414 |
2,038 |
3,605 |
3,804 |
572 |
20,957 |
||
|
Developed |
1,325 |
925 |
2,736 |
1,429 |
1,401 |
774 |
340 |
459 |
9,389 |
||
|
consolidated subsidiaries |
1,325 |
925 |
2,720 |
1,429 |
1,401 |
372 |
334 |
459 |
8,965 |
||
|
equity-accounted entities |
|
|
16 |
|
|
402 |
6 |
|
424 |
||
|
Undeveloped |
308 |
392 |
2,838 |
985 |
637 |
2,831 |
3,464 |
113 |
11,568 |
||
|
consolidated subsidiaries |
308 |
392 |
2,838 |
632 |
637 |
190 |
115 |
113 |
5,225 |
||
|
equity-accounted entities |
|
|
|
353 |
|
2,641 |
3,349 |
|
6,343 |
||
|
(billion cubic feet) |
Italy |
Rest of Europe |
North Africa |
Sub-Saharan Africa |
Kazakh- |
Rest of Asia |
Americas |
Australia and Oceania |
Total |
|
2013 |
|
|
|
|
|
|
|
|
|
|
Reserves of consolidated subsidiaries at December 31, 2012 |
1,633 |
1,317 |
5,558 |
2,061 |
2,038 |
562 |
449 |
572 |
14,190 |
|
of which: developed |
1,325 |
925 |
2,720 |
1,429 |
1,401 |
372 |
334 |
459 |
8,965 |
|
undeveloped |
308 |
392 |
2,838 |
632 |
637 |
190 |
115 |
113 |
5,225 |
|
Purchase of minerals in place |
|
|
5 |
|
|
|
|
|
5 |
|
Revisions of previous estimates |
105 |
103 |
253 |
475 |
(3) |
104 |
142 |
316 |
1,495 |
|
Improved recovery |
|
|
|
|
|
|
|
|
|
|
Extensions and discoveries |
24 |
1 |
24 |
14 |
|
208 |
7 |
|
278 |
|
Production |
(230) |
(157) |
(609) |
(176) |
(78) |
(130) |
(89) |
(40) |
(1,509) |
|
Sales of minerals in place |
|
(17) |
|
|
|
|
|
|
(17) |
|
Reserves of consolidated subsidiaries at December 31, 2013 |
1,532 |
1,247 |
5,231 |
2,374 |
1,957 |
744 |
509 |
848 |
14,442 |
|
Reserves of equity-accounted entities at December 31, 2012 |
|
|
16 |
353 |
|
3,043 |
3,355 |
|
6,767 |
|
of which: developed |
|
|
16 |
|
|
402 |
6 |
|
424 |
|
undeveloped |
|
|
|
353 |
|
2,641 |
3,349 |
|
6,343 |
|
Purchase of minerals in place |
|
|
|
|
|
|
|
|
|
|
Revisions of previous estimates |
|
|
1 |
(18) |
|
16 |
(2) |
|
(3) |
|
Improved recovery |
|
|
|
|
|
|
|
|
|
|
Extensions and discoveries |
|
|
|
|
|
|
|
|
|
|
Production |
|
|
(2) |
(5) |
|
(60) |
|
|
(67) |
|
Sales of minerals in place |
|
|
|
|
|
(2,971) |
|
|
(2,971) |
|
Reserves of equity-accounted entities at December 31, 2013 |
|
|
15 |
330 |
|
28 |
3,353 |
|
3,726 |
|
Reserves at December 31, 2013 |
1,532 |
1,247 |
5,246 |
2,704 |
1,957 |
772 |
3,862 |
848 |
18,168 |
|
Developed |
1,266 |
904 |
2,447 |
1,295 |
1,488 |
300 |
315 |
561 |
8,576 |
|
consolidated subsidiaries |
1,266 |
904 |
2,432 |
1,295 |
1,488 |
286 |
310 |
561 |
8,542 |
|
equity-accounted entities |
|
|
15 |
|
|
14 |
5 |
|
34 |
|
Undeveloped |
266 |
343 |
2,799 |
1,409 |
469 |
472 |
3,547 |
287 |
9,592 |
|
consolidated subsidiaries |
266 |
343 |
2,799 |
1,079 |
469 |
458 |
199 |
287 |
5,900 |
|
equity-accounted entities |
|
|
|
330 |
|
14 |
3,348 |
|
3,692 |
