Dominion Power 2002 Annual Report Download - page 95

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Company-Owned Reserves
Estimated net quantities of proved gas and oil (including condensate) reserves in the United States and Canada at December 31,
2002, 2001 and 2000, and changes in the reserves during those years, are shown in the two schedules which follow.
2002 2001 2000
United United United
Total States Canada Total States Canada Total States Canada
(billion cubic feet)
Proved developed and undeveloped
reserves—Gas
At January 1 4,090 3,517 573 2,337 1,858 479 1,114 600 514
Changes in reserves:
Extensions, discoveries and
other additions 874 769 105 503 394 109 274 232 42
Revisions of previous estimates 158 145 13 (24) (64) 40 (89) (59) (30)
Production (399) (346) (53) (295) (238) (57) (269) (222) (47)
Purchases of gas in place 381 379 2 1,578 1,576 2 1,322 1,322
—
Sales of gas in place (6) (6)
—
(9) (9)
—
(15) (15)
—
At December 31 5,098 4,458 640 4,090 3,517 573 2,337 1,858 479
Proved developed reserves—Gas
At January 1 3,466 3,026 440 1,954 1,593 361 1,005 600 405
At December 31 4,035 3,549 486 3,466 3,026 440 1,954 1,593 361
2002 2001 2000
United United United
Total States Canada Total States Canada Total States Canada
(thousands of barrels)
Proved developed and undeveloped
reserves—Oil
At January 1 140,567 115,988 24,579 75,342 51,072 24,270 20,808 659 20,149
Changes in reserves:
Extensions, discoveries and
other additions 24,326 24,273 53 40,676 37,401 3,275 14,213 12,813 1,400
Revisions of previous estimates 11,165 4,293 6,872 (1,617) (165) (1,452) (5,082) (2,443) (2,639)
Production (9,725) (8,653) (1,072) (7,663) (6,134) (1,529) (7,694) (6,436) (1,258)
Purchases of oil in place 2,928 2,928
—
34,619 34,604 15 54,977 48,359 6,618
Sales of oil in place (31) (31)
—
(790) (790)
—
(1,880) (1,880)
—
At December 31 169,230 138,798 30,432 140,567 115,988 24,579 75,342 51,072 24,270
Proved developed reserves—Oil
At January 1 63,777 46,473 17,304 36,236 21,709 14,527 6,102 659 5,443
At December 31 65,823 47,759 18,064 63,777 46,473 17,304 36,236 21,709 14,527
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Dominion ’02 Annual Report