Changes to proved oil and gas reserves

-1 Changes to proved oil and gas reserves Shell Investors’ Handbook 2013-2017

The tables present oil and gas reserves on a net basis, which means that they include the reserves relating to: (i) the Shell subsidiaries including the reserves attributable to non-controlling interest holders in our subsidiaries; and (ii) the Shell share of joint ventures and associates.

(XLS:) Download XLS

Proved crude oil and natural gas liquids, synthetic crude oil and bitumen reserves changes for Shell subsidiaries and the Shell share of joint ventures and associates [A] (at December 31)

Million
barrels

 

2017

2016

2015

2014

2013

[A]

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

Revisions and reclassifications

612

284

(252)

62

351

Improved recovery

76

24

4

9

412

Extensions and discoveries

375

127

48

68

182

Purchases of minerals in place

666

1,207

2

–

48

Sales of minerals in place

(2,058)

(12)

(76)

(86)

(4)

Total additions including year-average price effects

(329)

1,630

(274)

53

989

Production

(667)

(675)

(553)

(544)

(564)
(XLS:) Download XLS

Proved natural gas reserves changes for Shell subsidiaries and the Shell share of joint ventures and associates [A][B] (at December 31)

Thousand
million scf

 

2017

2016

2015

2014

2013

[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

1,938

(765)

114

1,767

2,530

Improved recovery

141

10

7

–

160

Extensions and discoveries

1,936

586

249

762

721

Purchases of minerals in place

277

7,537

86

287

54

Sales of minerals in place

(248)

(77)

(139)

(1,375)

(55)

Total additions including year-average price effects

4,044

7,291

317

1,441

3,410

Production

(4,153)

(4,125)

(3,258)

(3,598)

(3,729)
(XLS:) Download XLS

Total proved oil and gas reserves changes [A][B] (at December 31)

Million boe

 

2017

2016

2015

2014

2013

[A]

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

[B]

Natural gas volumes are converted into 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

946

152

(232)

367

787

Improved recovery

100

26

5

9

440

Extensions and discoveries

709

228

91

199

306

Purchases of minerals in place

714

2,506

16

49

57

Sales of minerals in place

(2,101)

(25)

(100)

(323)

(13)

Total additions including year-average price effects

368

2,887

(220)

301

1,577

Year-average price effects

487

(1,480)

(1,707)

44

48

Total additions excluding year-average price effects

(119)

4,367

1,487

257

1,529

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

1,268

1,886

1,571

531

1,485

Production

(1,383)

(1,386)

(1,114)

(1,164)

(1,207)
(XLS:) Download XLS

Proved crude oil and natural gas liquids, synthetic crude oil and bitumen reserves changes for Shell subsidiaries and the Shell share of joint ventures and associates [A] (at December 31, 2017)

Million
barrels

 

 

 

 

 

North America

South America

 

 

Europe

Asia

Oceania

Africa

USA

 

 

Canada

Total

 

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

[A]

Includes proved reserves associated with volumes consumed in operations.

Revisions and reclassifications

67

229

13

23

235

8

(3)

2

38

612

Improved recovery

–

38

–

–

38

–

–

–

–

76

Extensions and discoveries

–

96

–

–

242

7

–

–

30

375

Purchases of minerals in place

–

–

–

–

2

–

664

–

–

666

Sales of minerals in place

(50)

–

–

(14)

–

–

(1992)

(2)

–

(2058)

Total additions including year-average price effects

17

363

13

9

517

15

(1,331)

0

68

(329)

Production

(91)

(222)

(9)

(75)

(109)

(11)

(34)

(2)

(114)

(667)
(XLS:) Download XLS

Proved natural gas reserves changes for Shell subsidiaries and the Shell share of joint ventures and associates [A][B] (at December 31, 2017)

Thousand
million scf

 

 

 

 

 

North America

South America

 

 

Europe

Asia

Oceania

Africa

USA

Canada

Total

[A]

Includes proved reserves associated with volumes consumed in operations.

[B]

These quantities have not been adjusted to standard heat content.

Revisions and reclassifications

(830)

1,631

(565)

287

958

412

45

1,938

Improved recovery

–

67

–

–

74

–

–

141

Extensions and discoveries

2

560

–

–

1,163

205

6

1,936

Purchases of minerals in place

–

–

204

–

3

43

27

277

Sales of minerals in place

(224)

–

–

(7)

(11)

(6)

–

(248)

Total additions including year-average price effects

(1,052)

2,258

(361)

280

2,187

654

78

4,044

Production

(961)

(1,299)

(724)

(423)

(293)

(226)

(227)

(4,153)
(XLS:) Download XLS

Total proved reserves changes for Shell subsidiaries and the Shell share of joint ventures and associates [A][B] (at December 31, 2017)

Million boe unless specified

 

 

 

 

 

North America

South America

 

 

Europe

Asia

Oceania

Africa

USA

 

 

Canada

Total

 

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 and NGL

All products

[A]

Includes proved reserves associated with volumes consumed in operations.

[B]

Natural gas volumes are converted into 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

(76)

510

(84)

72

400

79

(3)

2

46

946

Improved recovery

–

49

–

–

51

–

–

–

–

100

Extensions and discoveries

–

193

–

–

443

42

–

–

31

709

Purchases of minerals in place

–

–

35

–

3

7

664

–

5

714

Sales of minerals in place

(89)

–

–

(15)

(2)

(1)

(1,992)

(2)

–

(2,101)

Total additions including year-average price effects

(165)

752

(49)

57

895

127

(1,331)

–

82

368

Year-average price effect

97

24

52

6

235

83

(44)

–

34

487

Production

(256)

(446)

(134)

(148)

(160)

(50)

(34)

(2)

(153)

(1,383)

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

 

 

 

 

 

 

 

 

 

92%

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

 

 

 

 

 

 

 

 

 

1,755

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

 

 

 

 

 

 

 

 

 

27%