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Annual Report 2007 in PDF - Cairn Energy PLC

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RESERVES<br />

Direct Direct<br />

work<strong>in</strong>g entitlement<br />

<strong>in</strong>terest basis basis<br />

Group proven plus probable oil reserves ’000 bbls ’000 bbls<br />

At 1 January <strong>2007</strong> 207,178 179,618<br />

Additions of reserves <strong>in</strong> place 1,511 1,392<br />

Revisions of previous estimates 42,943 (14,018)<br />

Production (4,599) (2,687)<br />

––––––––––– –––––––––––<br />

At 31 December <strong>2007</strong> 247,033 164,305<br />

––––––––––– –––––––––––<br />

Group proven plus probable gas reserves mmscf mmscf<br />

At 1 January <strong>2007</strong> 140,124 98,251<br />

Addition of reserves <strong>in</strong> place 974 896<br />

Revisions of previous estimates (56,514) (36,732)<br />

Production (34,741) (27,259)<br />

––––––––––– –––––––––––<br />

At 31 December <strong>2007</strong> 49,843 35,156<br />

––––––––––– –––––––––––<br />

Group proven plus probable oil and gas reserves ’000 boe ’000 boe<br />

At 31 December <strong>2007</strong> 255,340 170,164<br />

––––––––––– –––––––––––<br />

At 31 December 2006 230,532 195,993<br />

––––––––––– –––––––––––<br />

Reserves by geographical segment at 31 December <strong>2007</strong> are as follows: ’000 boe ’000 boe<br />

India 254,365 169,386<br />

Bangladesh & Nepal 975 778<br />

––––––––––– –––––––––––<br />

At 31 December <strong>2007</strong> 255,340 170,164<br />

––––––––––– –––––––––––<br />

Reserves by geographical segment at 31 December 2006 are as follows: ’000 boe ’000 boe<br />

India 216,017 185,704<br />

Bangladesh & Nepal 14,515 10,289<br />

––––––––––– –––––––––––<br />

At 31 December 2006 230,532 195,993<br />

––––––––––– –––––––––––<br />

Production by geographical segment <strong>in</strong> the year was as follows: ’000 boe ’000 boe<br />

India 6,825 4,381<br />

Bangladesh & Nepal 3,564 2,849<br />

––––––––––– –––––––––––<br />

For the purposes of this table, 6 mscf of gas has been converted to 1 boe.<br />

10,389 7,230<br />

––––––––––– –––––––––––<br />

CAIRN ENERGY <strong>PLC</strong> ANNUAL REPORT <strong>2007</strong> 129

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