| |
Continuity of Net Proved Reserves1
| |
North America2 |
North Sea |
Southeast Asia |
Algeria |
Sudan |
Trinidad |
Total |
| Crude oil and Liquids(mmbls) |
|
|
|
|
|
|
|
| Total Proved |
|
|
|
|
|
|
|
| Proved reserves at Decemer 31, 2001 |
175.8 |
260.2 |
39.6 |
16.9 |
116.3 |
- |
608.8 |
| Discoveries, additions and extensions |
10.6 |
13.5 |
5.8 |
1.3 |
19.0 |
18.9 |
69.1 |
| Purchase of reserves |
1.1 |
7.5 |
- |
- |
- |
- |
8.6 |
| Sale of reserves |
(3.7) |
(2.8) |
- |
- |
- |
- |
(6.5) |
| Net revisions and transfers |
(2.5) |
13.9 |
(4.2) |
(4.3) |
(27.7) |
- |
(24.8) |
| 2002 Production |
(17.2) |
(44.7) |
(5.1) |
- |
(13.3) |
- |
(80.3) |
| Proved reserves at December 31, 2002 |
164.1 |
247.6 |
36.1 |
13.9 |
94.3 |
18.9 |
574.9 |
| Discoveries, additions and extensions |
13.1 |
8.3 |
17.0 |
2.3 |
- |
- |
40.7 |
| Purchase of reserves |
1.1 |
21.1 |
- |
- |
- |
- |
22.2 |
| Sale of reserves |
(4.6) |
- |
- |
- |
(91.7) |
- |
(96.3) |
| Net revisions and transfers |
1.1 |
19.4 |
4.8 |
0.5 |
- |
(0.8) |
25.0 |
| 2003 Production |
(16.4) |
(41.4) |
(5.4) |
(0.1) |
(2.6) |
- |
(65.9) |
| Proved reserves at December 31, 2003 |
158.4 |
255.0 |
52.5 |
16.6 |
- |
18.1 |
500.6 |
| Discoveries, additions and extensions |
14.0 |
29.7 |
2.0 |
8.1 |
- |
- |
53.8 |
| Purchase of reserves |
0.2 |
34.0 |
0.9 |
- |
- |
- |
35.1 |
| Sale of reserves |
(2.1) |
(3.3) |
- |
- |
- |
- |
(5.4) |
| Net revisions and transfers |
(2.5) |
24.0 |
(1.3) |
0.3 |
- |
(7.2) |
13.3 |
| 2004 Production |
(15.8) |
(44.3) |
(7.9) |
(3.1) |
- |
- |
(71.1) |
| Proved reserves at December 31, 2004 |
152.2 |
295.1 |
46.2 |
21.9 |
- |
10.9 |
526.3 |
| Proved Developed |
|
|
|
|
|
|
|
| December 31, 2001 |
168.6 |
203.8 |
13.3 |
- |
89.6 |
- |
475.3 |
| December 31, 2002 |
157.2 |
210.8 |
11.9 |
2.4 |
84.1 |
- |
466.4 |
| December 31, 2003 |
155.4 |
211.8 |
18.6 |
14.6 |
- |
- |
400.4 |
| December 31, 2004 |
142.6 |
252.3 |
19.2 |
16.5 |
- |
10.5 |
441.1 |
| Natural gas(bcf) |
|
|
|
|
|
|
|
| Total Proved |
|
|
|
|
|
|
|
| Proved reserves at December 31, 2001 |
2,052.6 |
267.3 |
1,112.1 |
- |
- |
- |
3,432.0 |
| Discoveries, additions, and extensions |
283.1 |
14.0 |
11.7 |
- |
- |
220.0 |
528.8 |
| Purchase of reserves |
31.5 |
0.4 |
- |
- |
- |
220.0 |
528.8 |
| Sale of reserves |
(26.7) |
- |
- |
- |
- |
- |
31.9 |
| Net revisions and transfers |
(110.8) |
(4.3) |
(122.6) |
- |
- |
- |
(237.7) |
| 2002 Production |
(243.6) |
(39.5) |
(32.3) |
- |
- |
- |
(315.4) |
| Proved reserves at December 31, 2002 |
1,986.1 |
237.9 |
968.9 |
- |
- |
220.0 |
3,412.9 |
| Discoveries, additions and extensions |
276.3 |
1.0 |
64.0 |
- |
- |
- |
341.3 |
| Purchase of reserves |
92.2 |
14.4 |
- |
- |
- |
- |
106.6 |
| Sale of reserves |
(11.4) |
- |
- |
- |
- |
- |
(11.4) |
| Net revisions and transfers |
(14.9) |
19.8 |
(6.1) |
- |
- |
(9.0) |
(10.2) |
| 2003 Production |
(247.6) |
(37.5) |
(40.1) |
- |
- |
- |
(325.2) |
| Proved reserves at December 31, 2003 |
2,080.7 |
235.6 |
986.7 |
- |
- |
211.0 |
3,514.0 |
| Discoveries, additions and additions and extensions |
370.6 |
8.0 |
521.9 |
- |
- |
- |
900.5 |
| Purchase of reserves |
19.1 |
0.1 |
- |
- |
- |
- |
19.2 |
| Sale of reserves |
(57.1) |
(0.5) |
- |
- |
- |
- |
(57.6) |
| Net revisions and transfers |
(19.2) |
(26.4) |
93.5 |
- |
- |
5.5 |
53.4 |
| 2004 Production |
(260.6) |
(39.5) |
(47.3) |
- |
- |
- |
(347.4) |
| Proved reserves at December 31, 2004 |
2,133.5 |
177.3 |
1,554.8 |
- |
- |
216.5 |
4,082.1 |
| Proved Developed |
|
|
|
|
|
|
|
| December 31, 2001 |
1,804.7 |
213.8 |
252.0 |
- |
- |
- |
2,270.5 |
| December 31, 2002 |
1,746.9 |
210.0 |
471.6 |
- |
- |
- |
2,428.5 |
| December 31, 2003 |
1,890.4 |
200.7 |
593.9 |
- |
- |
- |
2,685.0 |
| December 31, 2004 |
1,788.2 |
150.0 |
624.0 |
- |
- |
- |
2,562.2 |
|
|
|
|
