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Proved oil and gas reserves –
Changes by region 2012

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PROVED CRUDE OIL AND NATURAL GAS LIQUIDS, SYNTHETIC CRUDE OIL AND BITUMEN RESERVES CHANGES FOR SHELL SUBSIDIARIES AND
EQUITY-ACCOUNTED INVESTMENTS
[A] (AT DECEMBER 31)

MILLION BARRELS

 

Europe

Asia

Oceania

Africa

North America

South
America

Total

 

USA

Canada

 

Oil and
NGL

Oil and
NGL

Oil and
NGL

Oil and
NGL

Oil and
NGL

Oil and
NGL

Synthetic crude oil

Bitumen

Oil and
NGL

All products

Revisions and
  reclassifications

19

270

6

95

90

3

131

1

14

629

Improved recovery

6

7

13

Extensions
  and discoveries

44

4

1

30

1

1

7

88

Purchases of
  minerals in place

56

26

82

Sales of minerals
  in place

(25)

(33)

(6)

(1)

(1)

(66)

Total additions
  including year-average
  price effects

119

280

(19)

63

147

3

131

1

21

746

Production

(80)

(238)

(16)

(106)

(82)

(5)

(48)

(7)

(16)

(598)

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PROVED NATURAL GAS RESERVES CHANGES FOR SHELL SUBSIDIARIES AND EQUITY-ACCOUNTED INVESTMENTS [A][B]

THOUSAND MILLION SCF

 

Europe

Asia

Oceania

Africa

North America

South
America

Total

 

USA

Canada

Revisions and reclassifications

(75)

444

151

(142)

(1,045)

(683)

7

(1,343)

Improved recovery

16

16

Extensions and discoveries

71

26

89

393

84

4

667

Purchases of minerals in place

22

139

161

Sales of minerals in place

(324)

(163)

(6)

(191)

(684)

Total additions including
  year-average price effects

18

470

(173)

(216)

(503)

(790)

11

(1,183)

Production

(1,251)

(1,112)

(311)

(343)

(404)

(244)

(22)

(3,687)

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TOTAL PROVED RESERVES CHANGES FOR SHELL SUBSIDIARIES
AND EQUITY-ACCOUNTED INVESTMENTS
[A][C]

MILLION BOE

 

Europe

Asia

Oceania

Africa

North America

South
America

Total

 

USA

Canada

 

Oil, NGL
and gas

Oil, NGL
and gas

Oil, NGL
and gas

Oil, NGL
and gas

Oil, NGL
and gas

Oil, NGL
and gas

Synthetic crude oil

Bitumen

Oil, NGL
and gas

All products

[A]

Includes proved reserves associated with volumes consumed in operations.

[B]

These quantities have not been adjusted to standard heat content.

[C]

Natural gas volumes are converted to oil equivalent using a factor of 5,800 scf per barrel. Rounding difference may occur in estimate of gas reserves conversion from scf to boe.

Revisions and
  reclassifications

6

347

33

70

(91)

(115)

131

1

15

397

Improved recovery

6

10

16

Extensions
  and discoveries

57

8

16

98

15

1

8

203

Purchases of
  minerals in place

60

50

110

Sales of minerals
  in place

(81)

(61)

(7)

(34)

(1)

(184)

Total additions
  including
  year-average
  price effects

123

361

(48)

25

60

(134)

131

1

23

542

Year-average
  price effect

 

 

 

 

 

 

 

 

 

(431)

Production

(296)

(430)

(70)

(165)

(151)

(47)

(48)

(7)

(20)

(1,234)

Reserves replacement ratio excluding acquisitions and divestments
  and year-average price effects

85%

Total additions excluding acquisitions and divestments
  and including year-average price effects

50%

Reserves replacement ratio including acquisitions and divestments
  and year-average price effects

44%