All data

Hydrocarbons reserves

Estimated net proved hydrocarbons reserves by geographic area

(mmboe)

 

 

 

 

 

 

 

 

 

 

 

(at December 31)

Italy (a)

Rest of Europe

North Africa

Sub-Saharan Africa

Kazakh­stan

Rest of Asia

America

Austra­lia and Oceania

Total

(a)

Including approximately 769, 767 and 767 billion of cubic feet of natural gas held in storage at December 31, 2009, 2010 and 2011, respectively.

 

 

 

 

 

 

 

 

 

 

2009

 

 

 

 

 

 

 

 

 

Estimated net proved hydrocarbons reserves

703

590

1,937

1,163

1,221

545

279

133

6,571

Consolidated subsidiaries

703

590

1,922

1,141

1,221

236

263

133

6,209

Equity-accounted entities

 

 

15

22

 

309

16

 

362

Developed

490

432

1,278

804

614

183

181

122

4,104

Consolidated subsidiaries

490

432

1,266

799

614

139

168

122

4,030

Equity-accounted entities

 

 

12

5

 

44

13

 

74

Undeveloped

213

158

659

359

607

362

98

11

2,467

Consolidated subsidiaries

213

158

656

342

607

97

95

11

2,179

Equity-accounted entities

 

 

3

17

 

265

3

 

288

2010

 

 

 

 

 

 

 

 

 

Estimated net proved hydrocarbons reserves

724

601

2,119

1,161

1,126

612

373

127

6,843

Consolidated subsidiaries

724

601

2,096

1,133

1,126

295

230

127

6,332

Equity-accounted entities

 

 

23

28

 

317

143

 

511

Developed

554

405

1,237

817

543

182

167

117

4,022

Consolidated subsidiaries

554

405

1,215

812

543

139

141

117

3,926

Equity-accounted entities

 

 

22

5

 

43

26

 

96

Undeveloped

170

196

882

344

583

430

206

10

2,821

Consolidated subsidiaries

170

196

881

321

583

156

89

10

2,406

Equity-accounted entities

 

 

1

23

 

274

117

 

415

2011

 

 

 

 

 

 

 

 

 

Estimated net proved hydrocarbons reserves

707

630

2,052

1,104

950

886

624

133

7,086

Consolidated subsidiaries

707

630

2,031

1,021

950

230

238

133

5,940

Equity-accounted entities

 

 

21

83

 

656

386

 

1,146

Developed

540

374

1,194

746

482

134

188

112

3,770

Consolidated subsidiaries

540

374

1,175

742

482

129

162

112

3,716

Equity-accounted entities

 

 

19

4

 

5

26

 

54

Undeveloped

167

256

858

358

468

752

436

21

3,316

Consolidated subsidiaries

167

256

856

279

468

101

76

21

2,224

Equity-accounted entities

 

 

2

79

 

651

360

 

1,092

2012

 

 

 

 

 

 

 

 

 

Estimated net proved hydrocarbons reserves

524

591

1,935

1,129

1,041

852

966

128

7,166

Consolidated subsidiaries

524

591

1,915

1,048

1,041

184

236

128

5,667

Equity-accounted entities

 

 

20

81

 

668

730

 

1,499

Developed

406

349

1,100

716

458

190

190

107

3,516

Consolidated subsidiaries

406

349

1,080

716

458

108

170

107

3,394

Equity-accounted entities

 

 

20

 

 

82

20

 

122

Undeveloped

118

242

835

413

583

662

776

21

3,650

Consolidated subsidiaries

118

242

835

332

583

76

66

21

2,273

Equity-accounted entities

 

 

 

81

 

586

710

 

1,377

2013

 

 

 

 

 

 

 

 

 

Estimated net proved hydrocarbons reserves

499

557

1,802

1,230

1,035

270

966

176

6,535

Consolidated subsidiaries

499

557

1,783

1,155

1,035

263

240

176

5,708

Equity-accounted entities

 

 

19

75

 

7

726

 

827

Developed

408

343

1,022

701

566

93

171

123

3,427

Consolidated subsidiaries

408

343

1,003

701

566

90

153

123

3,387

Equity-accounted entities

 

 

19

 

 

3

18

 

40

Undeveloped

91

214

780

529

469

177

795

53

3,108

Consolidated subsidiaries

91

214

780

454

469

173

87

53

2,321

Equity-accounted entities

 

 

 

75

 

4

708

 

787

Liquids reserves

Natural gas reserves

Oil and natural gas

Liquids production

Oil and natural gas production

Natural gas production

Average realizations

Acreage

Oil and natural gas interests

Capital expenditure

Reserves life index

Reserves replacement ratio

Oil and gas wells