|
|
|
|
|
|
|
|
|
|
|
|
| Key operating ratios - consolidated subsidiaries |
|
|
|
|
|
|
|
|
03-05 |
|
|
|
|
|
|
|
|
|
|
|
2005 reserves |
|
|
|
|
|
|
|
|
|
|
|
at 40 $/b (1) |
03-05 |
02-04 |
01-03 |
00-02 |
99-01 |
98-00 |
97-99 |
96-98 |
| |
|
|
|
|
|
|
|
|
|
|
|
| Finding costs ($/boe) (2) |
|
|
1.1 |
1.2 |
0.8 |
0.7 |
0.7 |
0.6 |
0.7 |
0.8 |
1.1 |
|
|
|
|
|
|
|
|
|
|
|
|
| Reserve
replacement costs ($/boe) (3) |
7.8 |
8.5 |
5.4 |
4.3 |
4.0 |
3.4 |
3.5 |
3.7 |
4.4 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2005 |
2004 |
2003 |
2002 |
2001 |
2000 |
1999 |
1998 |
| |
|
|
|
|
|
|
|
|
|
|
|
| Operating costs ($/boe) |
|
|
|
3.1 |
2.8 |
2.6 |
2.5 |
2.5 |
2.5 |
2.8 |
3.0 |
| Exploration costs ($/boe) |
|
|
|
0.7 |
0.6 |
0.5 |
0.6 |
0.7 |
0.7 |
0.8 |
1.0 |
| DD&A ($/boe) |
|
|
|
4.7 |
4.6 |
4.2 |
4.0 |
3.9 |
4.0 |
3.8 |
3.9 |
| Technical costs ($/boe) (4) |
|
|
|
8.5 |
8.0 |
7.3 |
7.1 |
7.1 |
7.2 |
7.4 |
7.9 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
03-05 (1) |
03-05 |
02-04 |
01-03 |
00-02 |
99-01 |
98-00 |
97-99 |
96-98 |
| |
|
|
|
|
|
|
|
|
|
|
|
| Reserve
replacement rate (%) (5) |
|
95 |
86 |
120 |
145 |
151 |
184 |
189 |
183 |
141 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Key operating ratios - Group |
|
|
|
|
|
|
|
|
|
|
|
03-05 |
|
|
|
|
|
|
|
|
|
|
|
2005 reserves |
|
|
|
|
|
|
|
|
|
|
|
at 40 $/b (1) |
03-05 |
02-04 |
01-03 |
00-02 |
99-01 |
98-00 |
|
|
| Finding costs ($/boe)(2) |
|
|
0.8 |
0.9 |
0.8 |
0.7 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Reserve
replacement costs ($/boe)(3) |
6.5 |
7.0 |
5.6 |
4.6 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Reserve
replacement rate (%) (5) |
|
105 |
97 |
106 |
125 |
130 |
158 |
166 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2005 (1) |
2005 |
2004 |
2003 |
2002 |
2001 |
2000 |
1999 |
1998 |
| |
|
|
|
|
|
|
|
|
|
|
|
| Reserve life (years) (6) |
|
|
12.5 |
12.2 |
11.8 |
12.3 |
12.7 |
13.7 |
13.8 |
13.9 |
12.7 |
|
|
|
|
|
|
|
|
|
|
|
|
