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Alaska 2004
 
Distribution of Wells by Production Rate Bracket
 

  Oil Wells   Gas Wells
Prod.
Rate
Bracket
(BOE/Day)		 |
|
|
|		 # of
Oil
Wells		 % of
Oil
Wells		 Annual
Oil
Prod.
(Mbbl)		 % of
Oil
Prod.		 Oil
Rate
per Well
(bbl/Day)		 Annual
Gas
Prod.
(MMcf)		 Gas
Rate
per Well
(Mcf/Day)		 |
|
|
|		 # of
Gas
Wells		 % of
Gas
Wells		 Annual
Gas
Prod.
(MMcf)		 % of
Gas
Prod.		 Gas
Rate
per Well
(Mcf/Day)		 Annual
Oil
Prod.
(Mbbl)		 Oil
Rate
per Well
(bbl/Day)
0 - 1 | 8 0.6 0.5 0.0 0.5 0.2 0.2 | 14 1.4 4.6 0.0 1.7 0.1 0.0
1 - 2 | 5 0.4 1.2 0.0 1.2 3.0 3.0 | 2 0.2 1.4 0.0 6.8 0.1 0.3
2 - 4 | 5 0.4 3.2 0.0 2.3 2.3 1.7 | 4 0.4 12.1 0.0 14.8 0.1 0.1
4 - 6 | 5 0.4 6.4 0.0 4.4 7.7 5.3 | 3 0.3 28.8 0.0 31.5 0.2 0.3
6 - 8 | 4 0.3 4.6 0.0 6.9 2.0 3.0 | 1 0.1 9.5 0.0 38.8 0.1 0.3
8 - 10 | 6 0.4 9.7 0.0 6.0 29.1 18.0 | 2 0.2 17.8 0.0 34.3 1.8 3.5
Subtotal <=10 | 33 2.3 25.5 0.0 3.6 44.2 6.1 | 26 2.7 74.3 0.0 13.6 2.3 0.4
10 - 12 | 5 0.4 15.9 0.0 9.6 16.6 10.1 | 5 0.5 70.8 0.0 55.3 1.6 1.3
12 - 15 | 15 1.1 46.9 0.0 11.8 37.1 9.3 | 1 0.1 27.3 0.0 74.5 0.0 0.0
Subtotal <=15 | 53 3.8 88.3 0.0 6.9 97.9 7.6 | 32 3.3 172.3 0.0 24.3 4.0 0.6
15 - 20 | 5 0.4 21.7 0.0 12.7 49.9 29.2 | 6 0.6 106.5 0.0 81.2 4.6 3.5
20 - 25 | 9 0.6 55.3 0.0 20.4 47.2 17.4 | 4 0.4 147.5 0.0 130.7 0.3 0.2
25 - 30 | 10 0.7 72.3 0.0 24.2 54.3 18.2 | 6 0.6 264.1 0.0 146.8 4.0 2.2
30 - 40 | 16 1.1 132.8 0.1 31.1 85.9 20.1 | 10 1.0 367.2 0.0 148.7 23.2 9.4
40 - 50 | 21 1.5 267.5 0.1 38.7 252.1 36.4 | 8 0.8 582.8 0.0 233.1 16.7 6.7
50 - 100 | 104 7.4 2,250.0 1.1 65.1 2,139.1 61.9 | 29 3.0 3,149.1 0.1 403.5 42.3 5.4
100 - 200 | 250 17.8 10,734.7 5.0 125.6 12,785.9 149.6 | 48 5.0 11,149.2 0.3 761.8 298.1 20.4
200 - 400 | 393 28.0 32,257.4 15.1 233.4 47,033.9 340.3 | 62 6.4 25,241.7 0.8 1322.1 1,302.8 68.2
400 - 800 | 300 21.4 44,922.7 21.1 431.4 77,265.2 742.1 | 131 13.6 116,537.0 3.5 2763.0 5,429.5 128.7
800 - 1600 | 139 9.9 37,524.3 17.6 836.4 64,534.4 1438.5 | 161 16.7 299,175.1 9.1 5667.8 11,159.2 211.4
1600 - 3200 | 71 5.1 37,028.1 17.4 1793.1 55,489.7 2687.2 | 224 23.2 844,138.1 25.6 11414.8 33,069.5 447.2
3200 - 6400 | 26 1.9 29,087.8 13.7 3357.7 50,617.1 5842.9 | 198 20.5 1367665.0 41.5 21154.3 47,961.8 741.8
6400 - 12800 | 6 0.4 12,202.6 5.7 6153.6 41,890.1 21124.6 | 47 4.9 628,807.8 19.1 39129.3 24,350.1 1515.2
> 12800 | 2 0.1 6,440.6 3.0 8798.7 25,386.7 34681.3 | 0 0.0 0.0 0.0 0.0 0.0 0.0
Total | 1,405 100.0 213,086.0 100.0 452.7 377,729.3 802.5 | 966 100.0 3297503.5 100.0 10724.6 123,666.0 402.2
 
Notes:
1) State Government agencies and commercial sources provided base data.
2) The Reserves and Production Division, Office of Oil and Gas, EIA has reviewed and edited inaccurate production data.
3) To be consistent between states a GOR of 6,000 (cf/bbl) for each years production was used to classify wells.
     If the GOR was less than 6,000 (cf/bbl) the well was classed an oil well, greater than or equal 6,000 (cf/bbl) were gas wells.
4) To determine production rate brackets for the first and last year of a wells life the annual production was divided
     by the number of days in the productive months. For other years the annual production was divided by 365 or 366 days.
5) Gas volumes have been converted from the various state pressure bases to the Federal base (14.73 psia).
 
                                                                                                                            19APR06

 


Alaska 2003
 
Distribution of Wells by Production Rate Bracket
 

  Oil Wells   Gas Wells
Prod.
Rate
Bracket
(BOE/Day)		 |
|
|
|		 # of
Oil
Wells		 % of
Oil
Wells		 Annual
Oil
Prod.
(Mbbl)		 % of
Oil
Prod.		 Oil
Rate
per Well
(bbl/Day)		 Annual
Gas
Prod.
(MMcf)		 Gas
Rate
per Well
(Mcf/Day)		 |
|
|
|		 # of
Gas
Wells		 % of
Gas
Wells		 Annual
Gas
Prod.
(MMcf)		 % of
Gas
Prod.		 Gas
Rate
per Well
(Mcf/Day)		 Annual
Oil
Prod.
(Mbbl)		 Oil
Rate
per Well
(bbl/Day)
0 - 1 | 10 0.7 0.8 0.0 0.3 1.7 0.7 | 32 3.2 14.1 0.0 1.7 0.3 0.0
1 - 2 | 1 0.1 0.6 0.0 1.6 0.4 1.2 | 3 0.3 2.7 0.0 8.2 0.1 0.3
2 - 4 | 7 0.5 6.9 0.0 2.7 9.6 3.8 | 12 1.2 32.4 0.0 15.2 0.6 0.3
4 - 6 | 2 0.1 2.2 0.0 3.9 3.4 6.2 | 7 0.7 37.2 0.0 21.8 2.6 1.5
6 - 8 | 6 0.4 10.4 0.0 5.9 13.8 7.8 | 2 0.2 8.1 0.0 38.3 0.1 0.3
8 - 10 | 3 0.2 1.5 0.0 5.5 5.8 21.6 | 1 0.1 4.3 0.0 48.0 0.0 0.0
Subtotal <=10 | 29 2.1 22.2 0.0 2.8 34.8 4.4 | 57 5.6 99.0 0.0 7.8 3.7 0.3
10 - 12 | 3 0.2 8.3 0.0 8.3 18.4 18.4 | 1 0.1 4.9 0.0 32.2 0.7 4.8
12 - 15 | 7 0.5 26.2 0.0 11.8 24.8 11.2 | 6 0.6 109.8 0.0 64.5 3.8 2.2
Subtotal <=15 | 39 2.8 56.7 0.0 5.1 78.0 7.0 | 64 6.3 213.6 0.0 14.6 8.2 0.6
15 - 20 | 11 0.8 52.6 0.0 14.5 51.9 14.3 | 8 0.8 226.2 0.0 95.3 2.7 1.1
20 - 25 | 7 0.5 40.0 0.0 18.0 59.9 27.0 | 4 0.4 123.9 0.0 110.3 6.1 5.4
25 - 30 | 14 1.0 98.1 0.0 23.1 100.8 23.7 | 2 0.2 96.6 0.0 132.3 4.1 5.6
30 - 40 | 26 1.9 236.6 0.1 29.9 267.9 33.9 | 11 1.1 574.8 0.0 176.9 16.8 5.2
40 - 50 | 21 1.5 246.3 0.1 39.8 196.9 31.8 | 12 1.2 1,093.0 0.0 251.3 14.5 3.3
50 - 100 | 103 7.5 2,262.0 1.0 65.4 1,978.6 57.2 | 38 3.8 4,207.8 0.1 392.3 67.0 6.2
100 - 200 | 218 15.9 9,906.4 4.3 128.1 9,423.9 121.9 | 34 3.4 7,946.3 0.2 718.0 360.7 32.6
200 - 400 | 384 28.0 32,126.8 13.8 234.4 45,381.5 331.0 | 92 9.1 41,546.9 1.3 1390.1 2,195.5 73.5
400 - 800 | 282 20.6 43,335.9 18.7 433.4 74,192.9 742.0 | 109 10.8 99,276.7 3.1 2848.6 4,464.3 128.1
800 - 1600 | 156 11.4 42,170.0 18.2 825.6 78,424.4 1535.4 | 179 17.7 333,803.9 10.4 5580.0 14,851.1 248.3
1600 - 3200 | 65 4.7 35,337.3 15.2 1726.7 57,948.1 2831.6 | 234 23.1 903,886.5 28.1 11510.1 37,241.9 474.2
3200 - 6400 | 35 2.6 43,078.8 18.5 3584.2 56,048.3 4663.3 | 192 19.0 1395870.9 43.3 21196.1 54,061.6 820.9
6400 - 12800 | 10 0.7 20,485.3 8.8 5754.3 65,235.5 18324.6 | 31 3.1 402,523.6 12.5 37580.4 16,224.0 1514.7
> 12800 | 1 0.1 2,888.0 1.2 7912.2 11,040.3 30247.4 | 1 0.1 28,914.2 0.9 79216.9 793.1 2172.8
Total | 1,372 100.0 232,320.7 100.0 492.3 400,428.7 848.6 | 1,011 100.0 3220305.0 100.0 9811.2 130,311.6 397.0
 
Notes:
1) State Government agencies and commercial sources provided base data.
2) The Reserves and Production Division, Office of Oil and Gas, EIA has reviewed and edited inaccurate production data.
3) To be consistent between states a GOR of 6,000 (cf/bbl) for each years production was used to classify wells.
     If the GOR was less than 6,000 (cf/bbl) the well was classed an oil well, greater than or equal 6,000 (cf/bbl) were gas wells.
4) To determine production rate brackets for the first and last year of a wells life the annual production was divided
     by the number of days in the productive months. For other years the annual production was divided by 365 or 366 days.
5) Gas volumes have been converted from the various state pressure bases to the Federal base (14.73 psia).
 
                                                                                                                            19APR06

 


Alaska 2002
 
Distribution of Wells by Production Rate Bracket
 

  Oil Wells   Gas Wells
Prod.
Rate
Bracket
(BOE/Day)		 |
|
|
|		 # of
Oil
Wells		 % of
Oil
Wells		 Annual
Oil
Prod.
(Mbbl)		 % of
Oil
Prod.		 Oil
Rate
per Well
(bbl/Day)		 Annual
Gas
Prod.
(MMcf)		 Gas
Rate
per Well
(Mcf/Day)		 |
|
|
|		 # of
Gas
Wells		 % of
Gas
Wells		 Annual
Gas
Prod.
(MMcf)		 % of
Gas
Prod.		 Gas
Rate
per Well
(Mcf/Day)		 Annual
Oil
Prod.
(Mbbl)		 Oil
Rate
per Well
(bbl/Day)
0 - 1 | 12 0.9 0.4 0.0 0.1 0.7 0.2 | 18 1.9 9.6 0.0 1.8 0.3 0.1
1 - 2 | 4 0.3 1.0 0.0 1.3 0.8 1.0 | 4 0.4 11.7 0.0 8.4 0.1 0.1
2 - 4 | 10 0.7 6.7 0.0 2.6 12.1 4.7 | 3 0.3 13.5 0.0 14.9 0.1 0.1
4 - 6 | 2 0.1 3.5 0.0 4.8 3.1 4.3 | 3 0.3 20.9 0.0 23.7 0.6 0.7
6 - 8 | 3 0.2 4.2 0.0 5.5 4.6 6.0 | 3 0.3 29.2 0.0 33.2 0.9 1.0
8 - 10 | 2 0.1 2.6 0.0 6.2 5.9 13.9 | 4 0.4 43.5 0.0 49.3 0.8 0.9
Subtotal <=10 | 33 2.4 18.4 0.0 2.0 27.2 3.0 | 35 3.7 128.5 0.0 12.6 2.8 0.3
10 - 12 | 7 0.5 17.4 0.0 8.2 31.6 14.9 | 3 0.3 48.6 0.0 53.3 2.1 2.3
12 - 15 | 7 0.5 24.0 0.0 10.3 42.3 18.1 | 4 0.4 93.2 0.0 68.1 2.7 2.0
Subtotal <=15 | 47 3.5 59.9 0.0 4.4 101.1 7.4 | 42 4.4 270.3 0.0 21.6 7.6 0.6
15 - 20 | 7 0.5 33.8 0.0 15.2 26.9 12.1 | 5 0.5 130.6 0.0 95.3 2.9 2.1
20 - 25 | 10 0.7 61.4 0.0 18.3 82.4 24.6 | 4 0.4 111.6 0.0 99.3 7.1 6.3
25 - 30 | 6 0.4 47.8 0.0 21.8 73.1 33.4 | 6 0.6 246.2 0.0 137.2 9.3 5.2
30 - 40 | 18 1.3 164.5 0.1 28.8 253.8 44.4 | 5 0.5 308.2 0.0 168.9 10.7 5.9
40 - 50 | 20 1.5 233.4 0.1 33.8 425.8 61.7 | 16 1.7 1,084.5 0.0 210.9 48.1 9.3
50 - 100 | 91 6.7 2,007.3 0.9 64.0 1,894.4 60.4 | 44 4.6 5,037.2 0.2 378.4 125.2 9.4
100 - 200 | 225 16.5 9,897.9 4.4 127.9 10,589.4 136.8 | 30 3.2 6,970.3 0.2 705.1 275.3 27.8
200 - 400 | 381 28.0 32,260.6 14.3 235.5 44,614.0 325.6 | 65 6.9 31,681.9 1.0 1476.2 1,162.1 54.1
400 - 800 | 305 22.4 47,119.8 20.9 435.4 82,524.0 762.5 | 105 11.1 99,249.5 3.2 2663.6 5,982.5 160.6
800 - 1600 | 159 11.7 43,642.5 19.4 828.6 79,956.8 1518.0 | 172 18.1 331,750.6 10.7 5486.1 15,827.6 261.7
1600 - 3200 | 55 4.0 29,168.8 13.0 1821.3 44,139.2 2756.1 | 247 26.1 985,096.3 31.7 11282.0 41,944.2 480.4
3200 - 6400 | 25 1.8 31,972.3 14.2 3905.7 35,600.0 4348.9 | 184 19.4 1345903.8 43.4 20585.9 57,114.0 873.6
6400 - 12800 | 7 0.5 13,970.7 6.2 5737.4 34,436.1 14142.1 | 22 2.3 269,022.0 8.7 36236.8 11,102.6 1495.5
> 12800 | 5 0.4 14,314.1 6.4 10217.1 39,619.7 28279.6 | 1 0.1 26,163.9 0.8 71681.9 922.1 2526.3
Total | 1,361 100.0 224,954.6 100.0 479.9 374,336.7 798.6 | 948 100.0 3103026.9 100.0 9499.6 134,541.1 411.9
 
Notes:
1) State Government agencies and commercial sources provided base data.
2) The Reserves and Production Division, Office of Oil and Gas, EIA has reviewed and edited inaccurate production data.
3) To be consistent between states a GOR of 6,000 (cf/bbl) for each years production was used to classify wells.
     If the GOR was less than 6,000 (cf/bbl) the well was classed an oil well, greater than or equal 6,000 (cf/bbl) were gas wells.
4) To determine production rate brackets for the first and last year of a wells life the annual production was divided
     by the number of days in the productive months. For other years the annual production was divided by 365 or 366 days.
5) Gas volumes have been converted from the various state pressure bases to the Federal base (14.73 psia).
 
                                                                                                                            19APR06

 


Alaska 2001
 
Distribution of Wells by Production Rate Bracket