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Acreage and wells

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OIL AND GAS ACREAGE [A][B] (AT DECEMBER 31)

THOUSAND ACRES

 

2011

2010

 

Developed

Undeveloped

Developed

Undeveloped

 

Gross

Net

Gross

Net

Gross

Net

Gross

Net

Europe

9,016

2,586

6,688

2,376

8,983

2,550

8,165

3,265

Asia [C]

27,268

9,810

48,554

25,779

27,496

9,970

41,781

22,800

Oceania

1,798

500

67,907

26,326

2,274

553

81,748

24,413

Africa

6,060

2,465

20,706

15,364

6,701

2,424

23,327

17,079

North America – USA

1,592

984

7,815

6,140

1,568

952

7,003

5,834

North America – Other [D]

1,101

757

31,573

23,849

1,002

664

31,501

21,489

South America

162

76

20,655

8,905

162

76

15,878

6,588

Total

46,997

17,178

203,898

108,739

48,186

17,189

209,403

101,468

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OIL AND GAS ACREAGE [A][B] (AT DECEMBER 31)

THOUSAND ACRES

 

2009

2008

2007

 

Developed

Undeveloped

Developed

Undeveloped

Developed

Undeveloped

 

Gross

Net

Gross

Net

Gross

Net

Gross

Net

Gross

Net

Gross

Net

Europe

9,045

2,592

9,770

3,653

9,646

2,785

8,924

3,038

10,253

2,894

10,384

3,007

Asia

30,969

11,108

78,382

40,547

31,252

11,260

74,749

36,811

32,677

11,971

76,890

32,269

Oceania

2,276

568

82,945

24,326

2,146

552

79,548

23,052

2,013

516

82,560

20,791

Africa

7,393

2,615

27,096

18,656

7,314

2,582

26,959

20,289

7,568

2,709

38,203

24,079

North America – USA

1,030

597

6,250

5,027

1,009

593

6,238

4,973

1,067

620

4,825

3,542

North America – Other

966

628

26,712

19,448

1,025

707

27,792

19,546

803

544

27,409

19,200

South America

126

59

18,081

7,178

115

53

4,387

1,877

114

54

4,387

1,877

Total

51,805

18,167

249,236

118,835

52,507

18,532

228,597

109,586

54,495

19,308

244,658

104,765

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NUMBER OF PRODUCTIVE WELLS [A][B] (AT DECEMBER 31)

 

2011

2010

 

Oil

Gas

Oil

Gas

 

Gross

Net

Gross

Net

Gross

Net

Gross

Net

Europe

1,454

427

1,317

430

1,464

412

1,341

443

Asia [E]

7,361

2,352

289

162

7,236

2,382

298

164

Oceania

48

5

557

212

39

4

608

211

Africa

883

357

98

65

1,180

447

89

59

North America – USA

14,993

7,607

3,449

2,222

15,322

7,771

3,884

2,457

North America – Canada

476

406

1,115

906

433

370

1,007

764

South America

67

33

7

2

73

34

6

1

Total

25,282

11,187

6,832

3,999

25,747

11,420

7,233

4,099

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NUMBER OF PRODUCTIVE WELLS [A][B] (AT DECEMBER 31)

 

 

2009

2008

2007

 

Oil

Gas

Oil

Gas

Oil

Gas

 

Gross

Net

Gross

Net

Gross

Net

Gross

Net

Gross

Net

Gross

Net

Europe

1,544

423

1,343

446

1,569

422

1,323

440

1,638

427

1,334

452

Asia

6,751

2,250

207

99

6,043

2,038

200

95

5,652

1,906

178

85

Oceania

39

6

566

122

42

9

319

60

31

7

116

34

Africa

1,150

415

80

53

1,163

420

79

49

1,028

374

71

47

North America – USA

15,425

7,835

1,640

1,170

15,505

7,828

1,412

1,037

15,493

7,825

1,040

765

North America – Canada

446

382

947

713

429

365

888

665

360

303

339

262

South America

72

32

12

5

68

29

12

5

67

29

12

6

Total

25,427

11,343

4,795

2,608

24,819

11,111

4,233

2,351

24,269

10,871

3,090

1,651

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NUMBER OF NET PRODUCTIVE WELLS AND DRY HOLES DRILLED [A] (AT DECEMBER 31)

 

2011

2010

 

Productive

Dry

Productive

Dry

Exploratory

 

 

 

 

Europe

1

1

4

4

Asia

23

97

27

31

Oceania

32

2

33

2

Africa

6

5

15

5

North America – USA

20

2

80

5

North America – Canada

70

4

64

8

South America

3

1

4

1

Total

155

112

227

56

Development

 

 

 

 

Europe

12

1

20

1

Asia

196

8

269

4

Oceania

3

Africa

23

2

11

North America – USA

347

2

388

North America – Canada

102

1

34

South America

1

1

Total

681

14

726

5

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NUMBER OF NET PRODUCTIVE WELLS AND DRY HOLES DRILLED [A] (AT DECEMBER 31)

 

2009

2008

2007

 

Productive

Dry

Productive

Dry

Productive

Dry

[A]

Including equity-accounted investments.

[B]

The term “gross” relates to the total activity in which Shell subsidiaries and equity-accounted investments have an interest. The term “net” refers to the sum of the fractional interests owned by Shell subsidiaries plus the Shell share of equity-accounted investments’ fractional interest.

[C]

In compliance with international sanctions, Shell has suspended activities in Syria. Gross and net developed acreage decreased by 477,000 and 309,000 acres respectively, with a corresponding increase in undeveloped acreage.

[D]

Comprises Canada and Greenland. Greenland acreage at December 31, 2010, has been reclassified from Europe to North America – Other.

[E]

In compliance with international sanctions, Shell has suspended activities in Syria. Gross and net productive oil wells decreased by 241 and 155 respectively.

Exploratory

 

 

 

 

 

 

Europe

6

3

9

3

10

1

Asia

38

10

27

4

41

7

Oceania

24

3

6

2

3

8

Africa

8

4

13

4

11

6

North America – USA

49

2

13

4

23

3

North America – Canada

32

19

41

46

50

10

South America

1

3

1

1

1

Total

158

41

112

64

139

36

Development

 

 

 

 

 

 

Europe

15

7

1

18

1

Asia

260

3

210

1

185

2

Oceania

27

3

3

Africa

12

1

17

1

22

North America – USA

424

1

475

1

475

2

North America – Canada

45

59

42

South America

5

2

2

Total

788

5

773

4

747

5