The tables present changes in the reserves of (i) Shell subsidiaries without deduction of the reserves attributable to non-controlling interest holders in our subsidiaries and (ii) the Shell share of joint ventures and associates.
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PROVED CRUDE OIL AND NATURAL GAS LIQUIDS, SYNTHETIC CRUDE OIL AND BITUMEN RESERVES CHANGES FOR SHELL SUBSIDIARIES AND SHELL SHARE OF JOINT VENTURES AND ASSOCIATES [A] (AT DECEMBER 31) |
MILLION BARRELS |
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|---|---|---|---|---|---|---|---|---|---|
|
2013 |
2012 |
2011 |
2010 |
2009 |
||||
|
|||||||||
Revisions and reclassifications |
351 |
629 |
190 |
856 |
1,205[B] |
||||
Improved recovery |
412 |
13 |
34 |
66 |
42 |
||||
Extensions and discoveries |
182 |
88 |
326 |
161 |
617 |
||||
Purchases of minerals in place |
48 |
82 |
– |
59 |
– |
||||
Sales of minerals in place |
(4) |
(66) |
(37) |
(57) |
(1) |
||||
Total additions including year-average price effects |
989 |
746 |
513 |
1,085 |
1,863 |
||||
Production |
(564) |
(598) |
(611) |
(626) |
(616) |
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PROVED NATURAL GAS RESERVES CHANGES FOR SHELL SUBSIDIARIES AND SHELL SHARE OF JOINT VENTURES AND ASSOCIATES [A][B] (AT DECEMBER 31) |
THOUSAND MILLION SCF |
||||||||
|---|---|---|---|---|---|---|---|---|---|
|
2013 |
2012 |
2011 |
2010 |
2009 |
||||
|
|||||||||
Revisions and reclassifications |
2,530 |
(1,343) |
899 |
829 |
4,688 |
||||
Improved recovery |
160 |
16 |
3 |
42 |
1 |
||||
Extensions and discoveries |
721 |
667 |
3,504 |
1,288 |
4,326 |
||||
Purchases of minerals in place |
54 |
161 |
– |
237 |
16 |
||||
Sales of minerals in place |
(55) |
(684) |
(394) |
(743) |
– |
||||
Total additions including year-average price effects |
3,410 |
(1,183) |
4,012 |
1,653 |
9,031 |
||||
Production |
(3,729) |
(3,687) |
(3,485) |
(3,573) |
(3,315) |
||||
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TOTAL PROVED OIL AND GAS RESERVES CHANGES [A][C] (AT DECEMBER 31) |
MILLION BOE |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
2013 |
2012 |
2011 |
2010 |
2009 |
||||||
|
|||||||||||
Revisions and reclassifications |
787 |
397 |
345 |
999 |
2,013[B] |
||||||
Improved recovery |
440 |
16 |
35 |
73 |
42 |
||||||
Extensions and discoveries |
306 |
203 |
930 |
383 |
1,363 |
||||||
Purchases of minerals in place |
57 |
110 |
– |
100 |
3 |
||||||
Sales of minerals in place |
(13) |
(184) |
(105) |
(185) |
(1) |
||||||
Total additions including year-average price effects |
1,577 |
542 |
1,205 |
1,370 |
3,420 |
||||||
Year-average price effects |
48 |
(431) |
(235) |
(198) |
260 |
||||||
Total additions excluding year-average price effects |
1,529 |
973 |
1,440 |
1,568 |
3,160 |
||||||
Total additions excluding acquisitions and divestments and excluding year-average price effects |
1,485 |
1,047 |
1,545 |
1,653 |
3,158 |
||||||
Production |
(1,207) |
(1,234) |
(1,212) |
(1,242) |
(1,187) |
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