Drilling
Exploration
In 2013, a total of 53 new exploratory wells were drilled (27.8 of which represented Eni’s share), as compared to 60 exploratory wells drilled in 2012 (34.1 of which represent Eni’s share) and 56 exploratory wells drilled in 2011 (28 of which represented Eni’s share).
The following tables show the number of net productive, dry and in progress exploratory wells in the years indicated by the Group and its equity-accounted entities in accordance with the requirements of FASB Extractive Activities – oil&gas (Topic 932).
The overall commercial success rate was 36.9% (38.5% net to Eni) as compared to 40% (40.8% net to Eni) in 2012 and 42% (38.6% net to Eni) in 2011.
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Exploratory Well Activity |
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Net wells completed |
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Wells in progress at Dec. 31 (a) |
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2011 |
2012 |
2013 |
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2013 |
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(units) |
Productive |
Dry (b) |
Productive |
Dry (b) |
Productive |
Dry (b) |
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Gross |
Net |
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Italy |
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|
1.0 |
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5.0 |
3.4 |
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Rest of Europe |
0.3 |
0.7 |
1.0 |
1.0 |
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3.4 |
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17.0 |
6.2 |
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North Africa |
6.2 |
3.4 |
6.3 |
11.3 |
4.9 |
5.4 |
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14.0 |
9.8 |
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Sub-Saharan Africa |
0.6 |
2.6 |
4.5 |
5.1 |
3.2 |
6.6 |
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60.0 |
24.3 |
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Kazakhstan |
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0.8 |
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0.4 |
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6.0 |
1.1 |
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Rest of Asia |
0.2 |
7.6 |
0.5 |
0.6 |
4.3 |
2.7 |
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21.0 |
8.2 |
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America |
2.5 |
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0.1 |
0.2 |
1.2 |
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4.0 |
1.2 |
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Australia and Oceania |
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1.4 |
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0.4 |
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0.5 |
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2.0 |
0.8 |
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9.8 |
15.7 |
13.3 |
19.3 |
12.6 |
20.2 |
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129.0 |
55.0 |
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Development
In 2013 a total of 463 development wells were drilled (187.2 of which represented Eni’s share) as compared to 351 development wells drilled in 2012 (163.6 of which represented Eni’s share) and 407 development wells drilled in 2011 (186.1 of which represented Eni’s share).
The drilling of 130 wells (45 of which represented Eni’s share) is currently underway.
The following tables show the number of net productive, dry and in progress development wells in the years indicated by the Group and its equity-accounted entities in accordance with the requirements of FASB Extractive Activities – oil&gas (Topic 932).
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Development Well Activity |
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Net wells completed |
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Wells in progress at Dec. 31 |
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2011 |
2012 |
2013 |
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2013 |
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(units) |
Productive |
Dry (b) |
Productive |
Dry (b) |
Productive |
Dry (b) |
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Gross |
Net |
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Italy |
25.3 |
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18.0 |
1.0 |
7.4 |
1.0 |
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3.0 |
3.0 |
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Rest of Europe |
3.3 |
0.3 |
2.9 |
0.6 |
6.3 |
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31.0 |
5.9 |
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North Africa |
55.9 |
1.1 |
46.0 |
1.6 |
61.6 |
3.3 |
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20.0 |
11.3 |
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Sub-Saharan Africa |
28.2 |
1.0 |
27.4 |
0.3 |
26.3 |
1.2 |
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20.0 |
5.1 |
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Kazakhstan |
1.3 |
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1.4 |
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0.3 |
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17.0 |
3.1 |
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Rest of Asia |
39.2 |
2.5 |
41.2 |
0.1 |
61.7 |
4.3 |
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26.0 |
11.4 |
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America |
27.6 |
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23.1 |
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13.8 |
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12.0 |
4.8 |
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Australia and Oceania |
0.4 |
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1.0 |
0.4 |
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181.2 |
4.9 |
160.0 |
3.6 |
177.4 |
9.8 |
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130.0 |
45.0 |
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