Shell Investors’ Handbook 2010-2014

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Proved oil and gas reserves – Changes

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

 

2014

2013

2012

2011

2010

[A]

Includes proved reserves associated with future production that will be consumed in operations.

Revisions and reclassifications

62

351

629

190

856

Improved recovery

9

412

13

34

66

Extensions and discoveries

68

182

88

326

161

Purchases of minerals in place

–

48

82

–

59

Sales of minerals in place

(86)

(4)

(66)

(37)

(57)

Total additions including year-average price effects

53

989

746

513

1,085

Production

(544)

(564)

(598)

(611)

(626)
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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

 

2014

2013

2012

2011

2010

[A]

Includes proved reserves associated with future production that will be consumed in operations.

[B]

These quantities have not been adjusted to standard heat content.

Revisions and reclassifications

1,767

2,530

(1,343)

899

829

Improved recovery

–

160

16

3

42

Extensions and discoveries

762

721

667

3,504

1,288

Purchases of minerals in place

287

54

161

–

237

Sales of minerals in place

(1,375)

(55)

(684)

(394)

(743)

Total additions including year-average price effects

1,441

3,410

(1,183)

4,012

1,653

Production

(3,598)

(3,729)

(3,687)

(3,485)

(3,573)
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TOTAL PROVED OIL AND GAS RESERVES CHANGES [A][B] (AT DECEMBER 31)

MILLION BOE

 

2014

2013

2012

2011

2010

[A]

Includes proved reserves associated with future production that will be consumed in operations.

[B]

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

Revisions and reclassifications

367

787

397

345

999

Improved recovery

9

440

16

35

73

Extensions and discoveries

199

306

203

930

383

Purchases of minerals in place

49

57

110

–

100

Sales of minerals in place

(323)

(13)

(184)

(105)

(185)

Total additions including year-average price effects

301

1,577

542

1,205

1,370

Year-average price effects

44

48

(431)

(235)

(198)

Total additions excluding year-average price effects

257

1,529

973

1,440

1,568

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

531

1,485

1,047

1,545

1,653

Production

(1,164)

(1,207)

(1,234)

(1,212)

(1,242)
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