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Colorado 2009
 
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 | 937 15.6 113.9 0.7 0.4 197.6 0.6 | 2,638 6.9 2,347.7 0.2 2.7 56.1 0.1
1 - 2 | 717 12.0 271.7 1.7 1.1 545.0 2.2 | 2,707 7.1 7,537.3 0.5 7.9 196.3 0.2
2 - 4 | 916 15.3 703.3 4.3 2.2 1,430.7 4.5 | 5,442 14.2 30,263.0 2.0 15.6 725.2 0.4
4 - 6 | 604 10.1 755.0 4.6 3.6 1,822.0 8.6 | 4,622 12.1 42,497.1 2.8 25.7 1,096.2 0.7
6 - 8 | 484 8.1 826.2 5.0 4.9 2,097.4 12.3 | 3,550 9.3 45,697.3 3.0 36.3 1,149.9 0.9
8 - 10 | 342 5.7 739.2 4.5 6.3 1,859.7 15.9 | 2,707 7.1 45,146.9 3.0 46.9 1,092.3 1.1
Subtotal <=10 | 4,000 66.7 3,409.2 20.7 2.5 7,952.4 5.8 | 21,666 56.6 173,489.5 11.4 22.7 4,316.0 0.6
10 - 12 | 228 3.8 657.9 4.0 8.2 1,276.9 16.0 | 1,936 5.1 39,517.6 2.6 57.6 942.2 1.4
12 - 15 | 277 4.6 934.2 5.7 9.7 2,146.4 22.3 | 2,158 5.6 54,812.9 3.6 71.7 1,132.1 1.5
Subtotal <=15 | 4,505 75.1 5,001.4 30.4 3.2 11,375.7 7.3 | 25,760 67.3 267,820.0 17.6 29.4 6,390.2 0.7
15 - 20 | 345 5.8 1,406.9 8.6 12.4 3,437.5 30.3 | 2,551 6.7 86,274.8 5.7 95.1 1,362.3 1.5
20 - 25 | 269 4.5 1,397.7 8.5 16.1 3,163.4 36.4 | 1,766 4.6 77,961.1 5.1 125.0 969.6 1.6
25 - 30 | 203 3.4 1,283.3 7.8 20.9 2,441.2 39.7 | 1,327 3.5 71,129.8 4.7 154.6 729.7 1.6
30 - 40 | 305 5.1 2,234.6 13.6 25.6 4,726.6 54.1 | 1,769 4.6 119,754.2 7.9 196.4 1,065.6 1.7
40 - 50 | 149 2.5 1,290.1 7.8 33.2 2,666.5 68.7 | 980 2.6 86,422.5 5.7 258.0 526.5 1.6
50 - 100 | 194 3.2 2,599.4 15.8 52.4 3,633.2 73.3 | 2,382 6.2 337,711.3 22.2 414.1 1,010.8 1.2
100 - 200 | 24 0.4 881.6 5.4 121.2 685.0 94.1 | 1,508 3.9 379,336.4 24.9 802.7 666.7 1.4
200 - 400 | 3 0.1 186.7 1.1 235.4 2.3 2.9 | 217 0.6 85,794.8 5.6 1,434.7 112.1 1.9
400 - 800 | 2 0.0 153.1 0.9 454.2 40.1 119.1 | 13 0.0 3,285.6 0.2 2,825.1 0.8 0.7
800 - 1600 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 5 0.0 7,687.1 0.5 6,476.1 0.0 0.0
1600 - 3200 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
3200 - 6400 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
6400 - 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
> 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
Total | 5,999 100.0 16,434.7 100.0 8.2 32,171.5 16.1 | 38,278 100.0 1,523,177.6 100.0 113.8 12,834.5 1.0
 
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).
 
                                                                                                                            02NOV10

 


Colorado 2008
 
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 | 885 14.8 118.5 0.7 0.4 190.5 0.6 | 2,239 6.1 2,064.7 0.1 2.7 51.3 0.1
1 - 2 | 710 11.9 284.7 1.7 1.1 530.1 2.1 | 2,423 6.6 6,691.4 0.4 7.8 177.5 0.2
2 - 4 | 831 13.9 648.2 3.8 2.2 1,281.9 4.4 | 5,017 13.7 27,672.0 1.8 15.6 683.7 0.4
4 - 6 | 608 10.2 762.6 4.5 3.6 1,699.4 8.0 | 4,454 12.2 41,004.1 2.7 25.9 1,005.9 0.6
6 - 8 | 429 7.2 756.5 4.5 5.0 1,671.7 11.1 | 3,366 9.2 43,249.4 2.9 36.4 1,084.6 0.9
8 - 10 | 317 5.3 714.2 4.2 6.6 1,556.3 14.3 | 2,486 6.8 41,129.5 2.7 47.1 980.0 1.1
Subtotal <=10 | 3,780 63.4 3,284.7 19.3 2.5 6,929.9 5.3 | 19,985 54.7 161,811.1 10.8 23.0 3,983.0 0.6
10 - 12 | 248 4.2 661.9 3.9 7.8 1,599.4 18.8 | 1,889 5.2 38,453.6 2.6 57.8 869.0 1.3
12 - 15 | 286 4.8 922.4 5.4 9.7 2,069.0 21.7 | 2,086 5.7 52,000.8 3.5 71.6 1,060.2 1.5
Subtotal <=15 | 4,314 72.4 4,869.0 28.7 3.3 10,598.3 7.1 | 23,960 65.6 252,265.5 16.9 30.0 5,912.1 0.7
15 - 20 | 357 6.0 1,474.7 8.7 13.1 2,915.4 25.8 | 2,441 6.7 80,092.6 5.4 95.1 1,269.7 1.5
20 - 25 | 282 4.7 1,412.1 8.3 17.0 2,698.8 32.4 | 1,696 4.6 72,298.2 4.8 124.7 908.5 1.6
25 - 30 | 246 4.1 1,433.1 8.4 20.8 2,737.7 39.7 | 1,245 3.4 65,032.8 4.3 154.7 660.0 1.6
30 - 40 | 315 5.3 2,090.7 12.3 25.8 4,125.8 50.9 | 1,650 4.5 108,847.7 7.3 198.2 872.6 1.6
40 - 50 | 168 2.8 1,376.7 8.1 35.2 2,162.3 55.3 | 1,090 3.0 92,428.4 6.2 258.7 578.6 1.6
50 - 100 | 228 3.8 2,506.1 14.7 53.5 3,389.4 72.3 | 2,370 6.5 306,012.9 20.4 414.6 1,005.7 1.4
100 - 200 | 44 0.7 1,389.2 8.2 108.7 1,138.3 89.0 | 1,866 5.1 415,394.4 27.7 812.3 794.6 1.6
200 - 400 | 6 0.1 441.0 2.6 240.9 27.0 14.7 | 213 0.6 91,114.3 6.1 1,458.6 128.5 2.1
400 - 800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 6 0.0 5,644.7 0.4 3,033.1 3.7 2.0
800 - 1600 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 3 0.0 7,803.4 0.5 7,106.9 0.0 0.0
1600 - 3200 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
3200 - 6400 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
6400 - 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
> 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
Total | 5,960 100.0 16,992.7 100.0 8.8 29,793.0 15.4 | 36,540 100.0 1,496,934.7 100.0 119.9 12,134.0 1.0
 
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).
 
                                                                                                                            02NOV10

 


Colorado 2007
 
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 | 815 16.1 110.7 0.8 0.4 170.7 0.6 | 2,124 6.5 1,915.4 0.1 2.7 51.0 0.1
1 - 2 | 647 12.8 250.1 1.7 1.1 517.0 2.2 | 2,253 6.9 6,112.4 0.5 7.7 171.5 0.2
2 - 4 | 697 13.7 556.6 3.8 2.3 975.5 3.9 | 4,385 13.4 24,425.2 1.8 15.7 596.3 0.4
4 - 6 | 489 9.6 644.2 4.4 3.7 1,404.9 8.1 | 3,944 12.1 36,283.3 2.7 25.9 899.0 0.6
6 - 8 | 391 7.7 714.8 4.9 5.2 1,409.1 10.3 | 3,137 9.6 40,110.2 3.0 36.1 1,034.5 0.9
8 - 10 | 321 6.3 756.4 5.2 6.7 1,496.1 13.3 | 2,408 7.4 39,675.6 3.0 46.8 983.7 1.2
Subtotal <=10 | 3,360 66.2 3,032.8 20.8 2.6 5,973.3 5.0 | 18,251 55.9 148,522.1 11.1 23.1 3,736.0 0.6
10 - 12 | 197 3.9 526.2 3.6 7.8 1,281.4 18.9 | 1,768 5.4 35,141.6 2.6 57.2 871.5 1.4
12 - 15 | 213 4.2 705.2 4.8 9.8 1,487.6 20.7 | 1,971 6.0 48,553.8 3.6 71.5 1,000.7 1.5
Subtotal <=15 | 3,770 74.3 4,264.3 29.2 3.2 8,742.3 6.6 | 21,990 67.4 232,217.4 17.4 30.1 5,608.2 0.7
15 - 20 | 294 5.8 1,237.2 8.5 13.1 2,315.4 24.5 | 2,185 6.7 70,063.5 5.3 93.8 1,220.5 1.6
20 - 25 | 248 4.9 1,297.7 8.9 17.7 2,136.5 29.2 | 1,407 4.3 59,377.6 4.5 125.1 690.5 1.5
25 - 30 | 189 3.7 1,100.9 7.5 21.0 2,016.6 38.4 | 988 3.0 51,258.3 3.8 156.9 427.5 1.3
30 - 40 | 238 4.7 1,694.7 11.6 27.8 2,464.1 40.5 | 1,392 4.3 91,753.9 6.9 198.2 677.2 1.5
40 - 50 | 138 2.7 1,337.2 9.1 37.1 1,647.5 45.7 | 878 2.7 74,548.9 5.6 259.6 386.9 1.3
50 - 100 | 166 3.3 2,404.4 16.5 56.9 2,305.2 54.5 | 2,007 6.2 266,868.1 20.0 416.6 741.7 1.2
100 - 200 | 28 0.6 1,060.7 7.3 122.3 475.0 54.8 | 1,513 4.6 355,065.9 26.6 822.9 679.2 1.6
200 - 400 | 3 0.1 217.9 1.5 246.8 3.7 4.2 | 252 0.8 118,094.1 8.9 1,485.1 213.5 2.7
400 - 800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 8 0.0 3,699.9 0.3 2,883.8 1.2 1.0
800 - 1600 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 4 0.0 9,431.7 0.7 6,460.1 3.3 2.3
1600 - 3200 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
3200 - 6400 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
6400 - 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
> 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
Total | 5,074 100.0 14,614.9 100.0 8.6 22,106.4 13.0 | 32,624 100.0 1,332,379.3 100.0 119.3 10,649.9 1.0
 
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).
 
                                                                                                                            02NOV10

 


Colorado 2006
 
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 | 812 17.1 117.3 0.9 0.4 171.9 0.6 | 1,747 6.0 1,598.5 0.1 2.7 41.2 0.1
1 - 2 | 650 13.7 253.3 1.8 1.1 483.5 2.1 | 1,871 6.5 5,038.2 0.4 7.6 150.4 0.2
2 - 4 | 654 13.7 528.1 3.8 2.3 864.5 3.7 | 3,697 12.8 20,536.4 1.6 15.7 501.2 0.4
4 - 6 | 418 8.8 554.3 4.0 3.8 1,053.9 7.1 | 3,460 11.9 31,962.7 2.6 25.9 804.2 0.7
6 - 8 | 398 8.4 738.5 5.4 5.2 1,507.6 10.7 | 2,783 9.6 35,824.1 2.9 36.1 955.2 1.0
8 - 10 | 274 5.8 620.9 4.5 6.6 1,330.9 14.1 | 2,257 7.8 36,857.7 3.0 46.3 983.4 1.2
Subtotal <=10 | 3,206 67.4 2,812.4 20.4 2.5 5,412.3 4.8 | 15,815 54.6 131,817.7 10.6 23.6 3,435.5 0.6
10 - 12 | 227 4.8 617.9 4.5 7.9 1,449.7 18.4 | 1,683 5.8 33,781.1 2.7 57.1 861.7 1.5
12 - 15 | 230 4.8 777.1 5.6 9.9 1,722.0 21.9 | 1,982 6.8 48,662.6 3.9 70.4 1,152.2 1.7
Subtotal <=15 | 3,663 77.0 4,207.4 30.5 3.3 8,583.9 6.7 | 19,480 67.2 214,261.4 17.2 31.2 5,449.4 0.8
15 - 20 | 263 5.5 1,093.8 7.9 13.0 2,172.3 25.7 | 2,085 7.2 65,114.1 5.2 91.8 1,405.8 2.0
20 - 25 | 205 4.3 1,066.4 7.7 17.1 1,973.2 31.6 | 1,260 4.3 52,233.8 4.2 122.5 816.7 1.9
25 - 30 | 141 3.0 918.0 6.7 21.7 1,468.9 34.8 | 893 3.1 46,280.2 3.7 154.0 500.8 1.7
30 - 40 | 209 4.4 1,656.0 12.0 27.8 2,372.3 39.8 | 1,166 4.0 76,229.0 6.1 198.8 572.8 1.5
40 - 50 | 116 2.4 1,225.9 8.9 37.9 1,202.4 37.2 | 736 2.5 63,626.5 5.1 260.1 343.6 1.4
50 - 100 | 130 2.7 2,363.0 17.1 60.7 1,832.6 47.1 | 1,714 5.9 228,078.4 18.3 415.1 668.2 1.2
100 - 200 | 26 0.5 1,015.6 7.4 126.4 483.0 60.1 | 1,286 4.4 312,967.4 25.1 829.7 503.5 1.3
200 - 400 | 4 0.1 235.2 1.7 220.7 178.5 167.4 | 321 1.1 153,930.7 12.4 1,501.8 211.6 2.1
400 - 800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 30 0.1 29,218.6 2.3 3,066.0 7.2 0.8
800 - 1600 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 2 0.0 2,864.0 0.2 8,498.6 0.0 0.0
1600 - 3200 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
3200 - 6400 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
6400 - 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
> 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
Total | 4,757 100.0 13,781.2 100.0 8.5 20,267.1 12.6 | 28,973 100.0 1,244,804.0 100.0 124.9 10,479.5 1.1
 
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).
 
                                                                                                                            02NOV10

 


Colorado 2005
 
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 | 733 16.3 101.8 0.8 0.4 144.6 0.6 | 1,519 5.8 1,386.9 0.1 2.7 34.3 0.1
1 - 2 | 699 15.6 270.2 2.0 1.1 538.1 2.2 | 1,842 7.0 4,829.8 0.4 7.5 159.8 0.2
2 - 4 | 628 14.0 509.8 3.8 2.3 834.9 3.7 | 3,416 13.1 18,823.7 1.7 15.6 465.6 0.4
4 - 6 | 381 8.5 529.2 3.9 3.9 826.8 6.2 | 2,994 11.4 27,810.7 2.4 26.2 640.2 0.6
6 - 8 | 322 7.2 617.7 4.6 5.5 1,031.7 9.2 | 2,552 9.8 32,517.3 2.9 36.1 861.8 1.0
8 - 10 | 254 5.7 611.5 4.5 6.9 1,054.6 11.9 | 2,079 7.9 33,785.6 3.0 46.3 904.6 1.2
Subtotal <=10 | 3,017 67.1 2,640.2 19.5 2.5 4,430.8 4.2 | 14,402 55.1 119,153.9 10.5 23.6 3,066.4 0.6
10 - 12 | 183 4.1 507.5 3.7 8.0 1,104.2 17.4 | 1,557 6.0 30,320.9 2.7 56.4 832.8 1.5
12 - 15 | 215 4.8 671.1 5.0 9.5 1,619.0 23.0 | 1,797 6.9 42,967.3 3.8 69.8 1,123.9 1.8
Subtotal <=15 | 3,415 76.0 3,818.8 28.2 3.2 7,153.9 6.0 | 17,756 67.9 192,442.1 16.9 31.0 5,023.1 0.8
15 - 20 | 280 6.2 1,172.6 8.7 13.1 2,352.6 26.3 | 1,997 7.6 61,911.6 5.4 91.8 1,336.6 2.0
20 - 25 | 188 4.2 929.3 6.9 16.8 1,850.5 33.5 | 1,173 4.5 47,673.6 4.2 121.4 814.8 2.1
25 - 30 | 145 3.2 863.0 6.4 21.3 1,520.0 37.4 | 742 2.8 37,940.3 3.3 153.5 446.4 1.8
30 - 40 | 186 4.1 1,552.0 11.5 28.6 1,970.8 36.3 | 993 3.8 64,764.0 5.7 196.5 621.0 1.9
40 - 50 | 98 2.2 1,136.2 8.4 39.8 858.9 30.1 | 622 2.4 54,210.5 4.8 262.6 237.9 1.2
50 - 100 | 148 3.3 2,745.9 20.3 59.3 1,697.5 36.7 | 1,378 5.3 186,962.0 16.4 413.6 501.7 1.1
100 - 200 | 27 0.6 969.7 7.2 116.2 794.2 95.2 | 1,084 4.1 264,272.0 23.2 832.5 503.8 1.6
200 - 400 | 6 0.1 351.1 2.6 198.8 430.3 243.6 | 373 1.4 192,975.6 16.9 1,571.2 118.1 1.0
400 - 800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 34 0.1 33,156.8 2.9 2,853.2 10.8 0.9
800 - 1600 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 2 0.0 2,952.5 0.3 5,377.9 4.1 7.4
1600 - 3200 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
3200 - 6400 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
6400 - 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
> 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
Total | 4,493 100.0 13,538.6 100.0 8.9 18,628.7 12.2 | 26,154 100.0 1,139,260.9 100.0 127.2 9,618.3 1.1
 
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).
 
                                                                                                                            02NOV10

 


Colorado 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 | 701 16.4 96.3 0.7 0.4 133.3 0.5 | 1,360 5.8 1,193.7 0.1 2.6 33.8 0.1
1 - 2 | 703 16.4 276.1 2.1 1.1 552.1 2.2 | 1,689 7.2 4,407.5 0.4 7.4 161.2 0.3
2 - 4 | 676 15.8 545.5 4.1 2.2 929.9 3.8 | 3,130 13.3 17,161.2 1.6 15.3 469.2 0.4
4 - 6 | 357 8.3 504.3 3.8 4.0 756.9 6.0 | 2,681 11.4 25,281.7 2.3 26.2 593.2 0.6
6 - 8 | 275 6.4 577.5 4.4 5.9 687.4 7.0 | 2,208 9.4 28,725.7 2.7 36.4 709.9 0.9
8 - 10 | 215 5.0 546.5 4.1 7.2 909.6 11.9 | 1,700 7.2 28,327.3 2.6 46.7 716.6 1.2
Subtotal <=10 | 2,927 68.3 2,546.2 19.2 2.4 3,969.1 3.8 | 12,768 54.3 105,097.1 9.7 23.2 2,684.0 0.6
10 - 12 | 169 3.9 502.4 3.8 8.4 943.8 15.7 | 1,440 6.1 29,305.4 2.7 56.9 748.5 1.5
12 - 15 | 174 4.1 612.0 4.6 10.2 1,168.9 19.4 | 1,609 6.8 39,848.1 3.7 69.6 1,035.2 1.8
Subtotal <=15 | 3,270 76.3 3,660.6 27.6 3.1 6,081.8 5.2 | 15,817 67.3 174,250.5 16.1 31.0 4,467.7 0.8
15 - 20 | 213 5.0 910.5 6.9 13.2 1,742.5 25.3 | 1,759 7.5 56,502.9 5.2 91.3 1,293.9 2.1
20 - 25 | 190 4.4 957.9 7.2 16.5 2,084.1 35.9 | 1,157 4.9 48,126.1 4.4 120.3 915.3 2.3
25 - 30 | 175 4.1 1,136.0 8.6 21.1 1,952.0 36.3 | 724 3.1 37,449.8 3.5 151.1 536.3 2.2
30 - 40 | 163 3.8 1,303.4 9.8 27.7 1,947.4 41.4 | 921 3.9 60,467.8 5.6 195.5 605.8 2.0
40 - 50 | 111 2.6 1,362.7 10.3 39.7 940.2 27.4 | 568 2.4 49,291.6 4.6 259.8 260.9 1.4
50 - 100 | 127 3.0 2,436.0 18.4 61.1 1,553.8 39.0 | 1,211 5.2 161,350.1 14.9 411.5 575.1 1.5
100 - 200 | 33 0.8 1,288.2 9.7 110.3 1,192.5 102.1 | 917 3.9 231,672.7 21.4 835.4 413.7 1.5
200 - 400 | 3 0.1 195.9 1.5 221.3 246.5 278.5 | 369 1.6 203,971.8 18.9 1,624.9 159.2 1.3
400 - 800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 57 0.2 56,455.1 5.2 2,923.8 10.1 0.5
800 - 1600 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 1 0.0 2,139.4 0.2 5,845.4 5.5 15.0
1600 - 3200 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
3200 - 6400 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
6400 - 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
> 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
Total | 4,285 100.0 13,251.1 100.0 9.0 17,740.8 12.0 | 23,501 100.0 1,081,677.8 100.0 131.8 9,243.3 1.1
 
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).
 
                                                                                                                            02NOV10

 


Colorado 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 | 714 17.2 99.4 0.8 0.4 142.6 0.6 | 1,435 6.6 1,241.0 0.1 2.5 38.3 0.1
1 - 2 | 738 17.8 288.0 2.2 1.1 614.3 2.3 | 1,633 7.5 4,306.6 0.4 7.5 165.1 0.3
2 - 4 | 725 17.5 583.3 4.5 2.2 992.5 3.8 | 3,042 14.0 16,249.2 1.6 15.0 489.1 0.5
4 - 6 | 369 8.9 538.8 4.2 4.1 691.8 5.3 | 2,387 11.0 22,605.9 2.2 26.3 499.4 0.6
6 - 8 | 246 5.9 492.5 3.8 5.7 720.8 8.3 | 1,990 9.2 25,958.0 2.5 36.5 626.7 0.9
8 - 10 | 197 4.7 500.3 3.9 7.3 680.6 9.9 | 1,587 7.3 26,548.7 2.6 46.7 677.7 1.2
Subtotal <=10 | 2,989 72.1 2,502.3 19.3 2.4 3,842.4 3.6 | 12,074 55.6 96,909.5 9.5 22.6 2,496.3 0.6
10 - 12 | 124 3.0 386.5 3.0 9.0 534.8 12.4 | 1,192 5.5 24,183.5 2.4 57.0 618.1 1.5
12 - 15 | 143 3.4 516.3 4.0 10.5 870.7 17.8 | 1,391 6.4 34,945.5 3.4 70.7 813.9 1.6
Subtotal <=15 | 3,256 78.5 3,405.1 26.3 3.0 5,247.9 4.6 | 14,657 67.4 156,038.5 15.3 30.0 3,928.4 0.8
15 - 20 | 184 4.4 836.0 6.4 13.6 1,415.8 23.1 | 1,605 7.4 51,747.4 5.1 91.3 1,197.2 2.1
20 - 25 | 152 3.7 808.4 6.2 17.3 1,425.0 30.4 | 1,048 4.8 44,074.4 4.3 120.6 810.2 2.2
25 - 30 | 104 2.5 708.8 5.5 22.0 1,002.6 31.2 | 735 3.4 38,097.1 3.7 150.0 577.1 2.3
30 - 40 | 161 3.9 1,349.4 10.4 29.3 1,464.3 31.8 | 908 4.2 59,844.5 5.9 192.6 720.9 2.3
40 - 50 | 108 2.6 1,208.4 9.3 38.2 1,262.0 39.9 | 533 2.5 46,174.5 4.5 256.7 323.1 1.8
50 - 100 | 140 3.4 2,758.4 21.3 60.3 2,283.1 49.9 | 1,061 4.9 143,168.5 14.0 411.6 453.4 1.3
100 - 200 | 35 0.8 1,378.4 10.6 111.6 1,369.5 110.9 | 734 3.4 183,856.9 18.0 824.9 364.1 1.6
200 - 400 | 8 0.2 509.3 3.9 192.3 767.5 289.7 | 358 1.6 196,268.9 19.2 1,627.2 111.9 0.9
400 - 800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 83 0.4 84,490.1 8.3 2,942.5 16.2 0.6
800 - 1600 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 8 0.0 13,784.7 1.3 5,589.9 47.5 19.3
1600 - 3200 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 1 0.0 3,740.5 0.4 10,247.8 2.3 6.2
3200 - 6400 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
6400 - 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
> 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
Total | 4,148 100.0 12,962.2 100.0 9.1 16,237.7 11.3 | 21,731 100.0 1,021,286.0 100.0 134.2 8,552.2 1.1
 
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).
 
                                                                                                                            02NOV10

 


Colorado 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 | 806 19.2 112.6 0.9 0.4 179.6 0.6 | 1,402 6.9 1,183.7 0.1 2.5 34.3 0.1
1 - 2 | 787 18.8 301.0 2.4 1.1 688.4 2.4 | 1,639 8.1 4,314.4 0.5 7.4 175.4 0.3
2 - 4 | 796 19.0 630.6 5.0 2.2 1,081.5 3.8 | 3,194 15.8 16,691.3 1.8 14.6 588.8 0.5
4 - 6 | 322 7.7 450.4 3.6 4.0 628.9 5.6 | 2,321 11.5 21,591.8 2.3 25.9 504.7 0.6
6 - 8 | 239 5.7 485.5 3.9 5.7 644.4 7.5 | 1,723 8.5 22,859.1 2.4 37.1 477.3 0.8
8 - 10 | 182 4.3 470.0 3.7 7.3 644.6 10.0 | 1,286 6.3 21,545.4 2.3 46.7 541.1 1.2
Subtotal <=10 | 3,132 74.7 2,450.0 19.4 2.2 3,867.4 3.5 | 11,565 57.1 88,185.7 9.4 21.4 2,321.6 0.6
10 - 12 | 131 3.1 416.4 3.3 8.9 615.9 13.1 | 1,131 5.6 23,160.3 2.5 57.5 541.5 1.3
12 - 15 | 151 3.6 560.4 4.4 10.4 951.2 17.7 | 1,214 6.0 30,143.5 3.2 69.8 774.3 1.8
Subtotal <=15 | 3,414 81.4 3,426.9 27.2 2.8 5,434.5 4.5 | 13,910 68.6 141,489.6 15.1 28.6 3,637.4 0.7
15 - 20 | 182 4.3 876.0 7.0 13.5 1,504.9 23.3 | 1,344 6.6 43,082.2 4.6 91.2 1,000.9 2.1
20 - 25 | 118 2.8 695.9 5.5 17.2 1,174.9 29.0 | 950 4.7 40,351.0 4.3 121.4 707.9 2.1
25 - 30 | 85 2.0 634.7 5.0 22.4 831.9 29.4 | 676 3.3 34,956.1 3.7 150.4 519.5 2.2
30 - 40 | 112 2.7 1,040.6 8.3 29.6 1,046.5 29.8 | 849 4.2 55,624.2 5.9 192.2 682.7 2.4
40 - 50 | 82 2.0 981.2 7.8 39.4 824.2 33.1 | 471 2.3 39,366.0 4.2 254.8 289.7 1.9
50 - 100 | 160 3.8 3,351.8 26.6 58.5 3,359.5 58.6 | 1,035 5.1 138,836.2 14.8 410.6 482.1 1.4
100 - 200 | 33 0.8 1,186.5 9.4 106.5 1,462.7 131.3 | 612 3.0 159,452.9 17.0 856.8 249.3 1.3
200 - 400 | 6 0.1 352.3 2.8 189.8 553.6 298.3 | 322 1.6 177,260.9 18.9 1,647.8 228.2 2.1
400 - 800 | 1 0.0 57.3 0.5 470.1 41.8 342.3 | 90 0.4 98,695.9 10.5 3,075.5 3.1 0.1
800 - 1600 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 5 0.0 9,363.8 1.0 6,280.2 83.5 56.0
1600 - 3200 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
3200 - 6400 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
6400 - 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
> 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
Total | 4,193 100.0 12,603.3 100.0 8.5 16,234.5 11.0 | 20,264 100.0 938,478.7 100.0 132.2 7,884.3 1.1
 
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).
 
                                                                                                                            02NOV10

 


Colorado 2001
 
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 | 804 18.9 117.2 0.9 0.4 166.5 0.6 | 1,486 7.7 1,332.4 0.2 2.6 34.1 0.1
1 - 2 | 826 19.5 323.3 2.5 1.1 691.7 2.4 | 1,739 9.0 4,483.5 0.5 7.2 196.7 0.3
2 - 4 | 830 19.5 623.3 4.7 2.1 1,350.2 4.5 | 3,445 17.9 17,694.6 2.1 14.3 678.0 0.5
4 - 6 | 321 7.6 448.4 3.4 3.9 694.0 6.1 | 2,344 12.2 21,509.8 2.6 25.7 543.0 0.6
6 - 8 | 213 5.0 439.0 3.3 5.7 577.6 7.5 | 1,583 8.2 21,054.3 2.5 37.2 416.1 0.7
8 - 10 | 158 3.7 412.2 3.1 7.2 574.3 10.1 | 1,190 6.2 20,281.7 2.5 47.9 416.6 1.0
Subtotal <=10 | 3,152 74.2 2,363.3 17.9 2.1 4,054.3 3.6 | 11,787 61.3 86,356.3 10.5 20.6 2,284.6 0.5
10 - 12 | 126 3.0 388.2 2.9 8.8 579.6 13.1 | 879 4.6 18,161.3 2.2 58.5 371.4 1.2
12 - 15 | 145 3.4 576.3 4.4 11.4 636.9 12.6 | 1,131 5.9 27,996.8 3.4 70.1 690.8 1.7
Subtotal <=15 | 3,423 80.6 3,327.9 25.2 2.7 5,270.9 4.3 | 13,797 71.8 132,514.4 16.0 27.0 3,346.7 0.7
15 - 20 | 171 4.0 815.3 6.2 14.0 1,202.5 20.6 | 1,132 5.9 36,798.4 4.5 92.6 722.7 1.8
20 - 25 | 124 2.9 710.5 5.4 18.0 1,017.7 25.7 | 788 4.1 33,443.4 4.0 121.9 569.5 2.1
25 - 30 | 91 2.1 645.8 4.9 21.8 984.2 33.3 | 561 2.9 29,015.5 3.5 150.1 450.7 2.3
30 - 40 | 131 3.1 1,178.4 8.9 29.8 1,202.3 30.4 | 802 4.2 51,890.5 6.3 193.4 615.4 2.3
40 - 50 | 82 1.9 1,005.2 7.6 38.2 951.1 36.1 | 418 2.2 35,157.7 4.3 257.5 241.8 1.8
50 - 100 | 174 4.1 3,582.0 27.1 58.9 3,193.6 52.5 | 851 4.4 110,252.3 13.3 406.1 402.5 1.5
100 - 200 | 44 1.0 1,482.6 11.2 99.0 1,948.2 130.1 | 513 2.7 128,776.8 15.6 823.0 219.7 1.4
200 - 400 | 6 0.1 447.4 3.4 204.3 516.6 235.9 | 248 1.3 138,066.2 16.7 1,679.9 200.8 2.4
400 - 800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 105 0.5 117,275.4 14.2 3,149.8 4.9 0.1
800 - 1600 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 8 0.0 12,734.7 1.5 4,924.5 100.6 38.9
1600 - 3200 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
3200 - 6400 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
6400 - 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
> 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
Total | 4,246 100.0 13,195.0 100.0 8.9 16,287.0 10.9 | 19,223 100.0 825,925.3 100.0 122.9 6,875.4 1.0
 
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).
 
                                                                                                                            02NOV10

 


Colorado 2000
 
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 | 768 18.4 113.1 0.8 0.4 143.4 0.5 | 1,353 7.5 1,169.0 0.1 2.5 34.5 0.1
1 - 2 | 829 19.9 314.1 2.4 1.1 752.3 2.5 | 1,622 8.9 4,195.3 0.5 7.2 190.4 0.3
2 - 4 | 904 21.6 674.8 5.0 2.1 1,488.7 4.6 | 3,671 20.2 18,761.0 2.4 14.2 768.9 0.6
4 - 6 | 353 8.5 482.6 3.6 3.8 796.7 6.3 | 2,504 13.8 22,945.3 2.9 25.4 634.7 0.7
6 - 8 | 201 4.8 400.4 3.0 5.6 543.2 7.6 | 1,609 8.9 21,078.1 2.7 36.4 487.7 0.8
8 - 10 | 131 3.1 361.4 2.7 7.7 381.0 8.1 | 1,103 6.1 19,080.9 2.4 48.1 371.0 0.9
Subtotal <=10 | 3,186 76.3 2,346.4 17.6 2.1 4,105.3 3.6 | 11,862 65.3 87,229.6 11.1 20.5 2,487.2 0.6
10 - 12 | 102 2.4 341.3 2.6 9.4 347.3 9.5 | 771 4.2 16,239.2 2.1 59.0 311.6 1.1
12 - 15 | 121 2.9 512.3 3.8 12.2 344.0 8.2 | 834 4.6 21,266.8 2.7 72.4 403.7 1.4
Subtotal <=15 | 3,409 81.6 3,199.9 23.9 2.6 4,796.6 3.9 | 13,467 74.2 124,735.6 15.9 25.8 3,202.5 0.7
15 - 20 | 149 3.6 796.0 6.0 15.2 760.9 14.5 | 975 5.4 31,626.6 4.0 92.3 626.7 1.8
20 - 25 | 102 2.4 668.7 5.0 19.2 701.6 20.2 | 621 3.4 26,409.7 3.4 120.7 484.7 2.2
25 - 30 | 83 2.0 636.9 4.8 22.9 773.5 27.9 | 473 2.6 24,689.9 3.2 149.7 412.9 2.5
30 - 40 | 121 2.9 1,177.5 8.8 28.9 1,298.1 31.8 | 656 3.6 43,723.2 5.6 193.9 482.6 2.1
40 - 50 | 90 2.2 1,193.7 8.9 39.0 913.6 29.9 | 396 2.2 34,024.3 4.3 257.8 252.0 1.9
50 - 100 | 175 4.2 3,813.8 28.5 61.4 2,807.9 45.2 | 815 4.5 106,868.7 13.6 408.6 393.8 1.5
100 - 200 | 41 1.0 1,528.1 11.4 105.5 1,671.1 115.3 | 416 2.3 104,873.1 13.4 834.5 201.5 1.6
200 - 400 | 6 0.1 349.3 2.6 176.1 796.4 401.6 | 209 1.2 118,103.6 15.1 1,642.7 361.8 5.0
400 - 800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 118 0.6 139,758.1 17.8 3,287.0 8.5 0.2
800 - 1600 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 15 0.1 28,679.0 3.7 5,223.9 136.6 24.9
1600 - 3200 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
3200 - 6400 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
6400 - 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
> 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
Total | 4,176 100.0 13,363.9 100.0 9.0 14,519.8 9.8 | 18,161 100.0 783,491.8 100.0 122.1 6,563.5 1.0
 
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).
 
                                                                                                                            02NOV10

 


Colorado 1999
 
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 | 846 19.7 113.0 0.8 0.4 144.8 0.5 | 1,456 8.2 1,172.5 0.2 2.4 34.8 0.1
1 - 2 | 739 17.2 290.9 2.2 1.1 633.4 2.4 | 1,466 8.2 3,737.0 0.5 7.3 153.9 0.3
2 - 4 | 1,002 23.4 715.4 5.3 2.0 1,873.1 5.3 | 3,600 20.2 17,661.8 2.4 13.9 827.0 0.7
4 - 6 | 414 9.7 523.3 3.9 3.6 1,118.0 7.7 | 2,717 15.2 23,736.1 3.2 24.7 786.7 0.8
6 - 8 | 196 4.6 383.9 2.8 5.5 574.0 8.2 | 1,722 9.7 21,720.4 3.0 35.9 583.7 1.0
8 - 10 | 157 3.7 414.0 3.1 7.5 461.6 8.4 | 1,186 6.7 19,793.4 2.7 47.5 429.7 1.0
Subtotal <=10 | 3,354 78.2 2,440.5 18.0 2.1 4,805.0 4.1 | 12,147 68.2 87,821.1 12.0 20.6 2,815.8 0.7
10 - 12 | 114 2.7 364.9 2.7 9.0 443.4 10.9 | 771 4.3 15,771.7 2.2 58.3 326.4 1.2
12 - 15 | 112 2.6 461.6 3.4 11.5 435.5 10.9 | 870 4.9 21,782.4 3.0 71.9 415.4 1.4
Subtotal <=15 | 3,580 83.5 3,267.0 24.2 2.6 5,683.9 4.5 | 13,788 77.4 125,375.2 17.2 25.9 3,557.7 0.7
15 - 20 | 129 3.0 681.5 5.0 15.1 552.6 12.3 | 894 5.0 29,186.3 4.0 93.9 516.1 1.7
20 - 25 | 104 2.4 731.4 5.4 20.3 475.4 13.2 | 541 3.0 22,590.2 3.1 124.2 315.1 1.7
25 - 30 | 69 1.6 581.2 4.3 24.5 441.5 18.6 | 370 2.1 19,481.7 2.7 153.9 220.0 1.7
30 - 40 | 85 2.0 966.9 7.1 32.1 437.6 14.5 | 528 3.0 35,834.3 4.9 199.6 281.3 1.6
40 - 50 | 91 2.1 1,258.3 9.3 40.0 932.4 29.6 | 329 1.8 28,032.2 3.8 260.5 143.5 1.3
50 - 100 | 187 4.4 4,213.7 31.2 62.4 2,837.1 42.0 | 747 4.2 97,727.6 13.4 402.3 348.6 1.4
100 - 200 | 38 0.9 1,520.6 11.2 109.6 1,865.7 134.5 | 324 1.8 83,234.2 11.4 809.6 245.7 2.4
200 - 400 | 5 0.1 305.0 2.3 172.7 637.7 361.1 | 153 0.9 85,062.5 11.6 1,661.2 296.2 5.8
400 - 800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 113 0.6 133,872.7 18.3 3,385.2 1.4 0.0
800 - 1600 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 35 0.2 70,308.4 9.6 5,651.3 135.4 10.9
1600 - 3200 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
3200 - 6400 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
6400 - 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
> 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
Total | 4,288 100.0 13,525.5 100.0 8.9 13,863.9 9.2 | 17,822 100.0 730,705.2 100.0 118.1 6,061.0 1.0
 
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).
 
                                                                                                                            02NOV10

 


Colorado 1998
 
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 | 1,272 23.4 161.5 1.0 0.4 149.0 0.3 | 1,333 7.8 1,212.0 0.2 2.6 27.7 0.1
1 - 2 | 792 14.6 335.4 2.0 1.2 532.0 1.9 | 1,554 9.1 4,088.8 0.6 7.3 168.8 0.3
2 - 4 | 999 18.4 782.8 4.8 2.2 1,576.5 4.4 | 3,301 19.4 16,846.3 2.4 14.1 728.2 0.6
4 - 6 | 495 9.1 680.8 4.2 3.8 1,104.0 6.2 | 2,505 14.7 22,282.6 3.2 24.5 767.7 0.8
6 - 8 | 222 4.1 433.6 2.6 5.4 732.5 9.1 | 1,849 10.9 24,012.4 3.5 35.9 658.2 1.0
8 - 10 | 148 2.7 389.4 2.4 7.3 536.3 10.0 | 1,142 6.7 19,174.6 2.8 46.7 455.9 1.1
Subtotal <=10 | 3,928 72.3 2,783.5 17.0 2.0 4,630.3 3.3 | 11,684 68.8 87,616.8 12.6 20.9 2,806.4 0.7
10 - 12 | 127 2.3 405.0 2.5 9.1 474.8 10.7 | 825 4.9 17,183.4 2.5 57.6 406.7 1.4
12 - 15 | 161 3.0 627.7 3.8 10.8 865.0 14.9 | 957 5.6 24,944.5 3.6 72.6 406.2 1.2
Subtotal <=15 | 4,216 77.6 3,816.2 23.3 2.6 5,970.1 4.0 | 13,466 79.3 129,744.7 18.7 26.8 3,619.3 0.7
15 - 20 | 126 2.3 645.2 3.9 14.5 739.8 16.6 | 814 4.8 27,216.9 3.9 93.8 474.6 1.6
20 - 25 | 74 1.4 468.5 2.9 18.7 522.9 20.9 | 527 3.1 23,185.0 3.3 123.7 323.6 1.7
25 - 30 | 819 15.1 7,242.6 44.2 24.3 4,049.6 13.6 | 355 2.1 19,242.5 2.8 153.6 212.3 1.7
30 - 40 | 50 0.9 514.2 3.1 29.5 581.1 33.4 | 495 2.9 33,991.6 4.9 196.8 277.8 1.6
40 - 50 | 57 1.0 808.9 4.9 39.8 497.6 24.5 | 284 1.7 24,622.2 3.5 258.2 129.5 1.4
50 - 100 | 58 1.1 1,280.3 7.8 61.5 1,012.1 48.6 | 517 3.0 68,650.8 9.9 408.5 265.6 1.6
100 - 200 | 22 0.4 845.1 5.2 105.2 1,631.1 203.1 | 259 1.5 67,674.3 9.7 812.6 183.2 2.2
200 - 400 | 9 0.2 588.9 3.6 193.6 1,731.9 569.3 | 125 0.7 68,458.7 9.9 1,615.5 221.8 5.2
400 - 800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 99 0.6 121,251.7 17.5 3,392.4 98.4 2.8
800 - 1600 | 1 0.0 188.1 1.1 515.4 999.3 2,737.7 | 45 0.3 99,680.8 14.3 6,080.3 0.9 0.1
1600 - 3200 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 3 0.0 11,005.6 1.6 10,050.8 0.0 0.0
3200 - 6400 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
6400 - 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
> 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
Total | 5,432 100.0 16,398.0 100.0 8.5 17,735.4 9.2 | 16,989 100.0 694,724.7 100.0 114.6 5,807.1 1.0
 
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).
 
                                                                                                                            02NOV10

 


Colorado 1997
 
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 | 1,224 21.5 161.1 0.9 0.4 148.9 0.3 | 1,275 7.7 1,164.8 0.2 2.6 27.4 0.1
1 - 2 | 865 15.2 365.3 2.0 1.2 601.9 1.9 | 1,435 8.6 3,797.5 0.6 7.3 150.6 0.3
2 - 4 | 957 16.8 769.6 4.2 2.2 1,402.3 4.1 | 3,118 18.8 15,943.2 2.5 14.1 680.8 0.6
4 - 6 | 575 10.1 770.8 4.2 3.7 1,401.6 6.8 | 2,541 15.3 22,390.6 3.5 24.3 805.1 0.9
6 - 8 | 314 5.5 608.7 3.3 5.4 1,148.3 10.1 | 1,878 11.3 23,612.2 3.7 35.1 717.3 1.1
8 - 10 | 176 3.1 427.4 2.3 6.7 837.0 13.2 | 1,317 7.9 22,126.6 3.5 46.4 557.8 1.2
Subtotal <=10 | 4,111 72.1 3,102.9 17.1 2.1 5,540.1 3.8 | 11,564 69.7 89,034.9 14.1 21.4 2,939.1 0.7
10 - 12 | 150 2.6 478.8 2.6 8.9 654.5 12.2 | 874 5.3 17,992.6 2.8 57.1 444.6 1.4
12 - 15 | 143 2.5 531.3 2.9 10.6 823.9 16.4 | 949 5.7 24,408.4 3.9 72.2 467.5 1.4
Subtotal <=15 | 4,404 77.2 4,113.0 22.6 2.6 7,018.5 4.4 | 13,387 80.7 131,436.0 20.7 27.3 3,851.1 0.8
15 - 20 | 150 2.6 818.6 4.5 15.3 670.4 12.6 | 826 5.0 27,513.9 4.3 94.5 450.7 1.5
20 - 25 | 95 1.7 639.7 3.5 19.4 537.4 16.3 | 445 2.7 19,559.4 3.1 124.5 264.1 1.7
25 - 30 | 835 14.6 8,087.4 44.5 26.6 4,295.6 14.1 | 314 1.9 17,388.2 2.7 155.9 161.9 1.5
30 - 40 | 62 1.1 580.6 3.2 27.6 835.6 39.8 | 392 2.4 26,302.3 4.2 196.0 227.8 1.7
40 - 50 | 44 0.8 592.7 3.3 39.7 497.2 33.3 | 260 1.6 23,132.9 3.7 259.5 143.1 1.6
50 - 100 | 79 1.4 1,610.4 8.9 60.1 1,425.7 53.2 | 493 3.0 63,847.3 10.1 397.8 191.3 1.2
100 - 200 | 24 0.4 904.1 5.0 110.9 969.3 118.9 | 239 1.4 66,032.4 10.4 819.2 239.0 3.0
200 - 400 | 8 0.1 303.6 1.7 174.8 661.9 381.1 | 120 0.7 66,691.2 10.5 1,603.6 218.4 5.3
400 - 800 | 3 0.1 331.5 1.8 363.1 629.4 689.4 | 71 0.4 86,124.5 13.6 3,350.8 132.6 5.2
800 - 1600 | 1 0.0 204.9 1.1 561.4 746.7 2,045.6 | 44 0.3 100,585.3 15.9 6,383.9 0.7 0.0
1600 - 3200 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 1 0.0 4,880.5 0.8 13,371.3 0.0 0.0
3200 - 6400 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
6400 - 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
> 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
Total | 5,705 100.0 18,186.5 100.0 8.9 18,287.7 8.9 | 16,592 100.0 633,493.9 100.0 107.0 5,880.8 1.0
 
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).
 
                                                                                                                            02NOV10

 


Colorado 1996
 
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 | 1,092 19.1 139.6 0.7 0.4 126.0 0.3 | 1,279 8.0 1,147.4 0.2 2.6 25.4 0.1
1 - 2 | 881 15.4 372.2 1.9 1.2 506.5 1.6 | 1,324 8.3 3,599.1 0.6 7.5 130.1 0.3
2 - 4 | 957 16.7 748.4 3.8 2.2 1,391.8 4.0 | 2,938 18.4 15,072.7 2.7 14.1 639.5 0.6
4 - 6 | 568 9.9 787.6 4.0 3.9 1,308.8 6.4 | 2,270 14.2 20,309.2 3.6 24.6 705.3 0.9
6 - 8 | 320 5.6 584.3 3.0 5.1 1,268.9 11.0 | 1,718 10.8 22,088.1 3.9 35.4 648.8 1.0
8 - 10 | 242 4.2 588.4 3.0 6.7 1,141.7 13.0 | 1,284 8.0 21,264.6 3.8 45.5 634.0 1.4
Subtotal <=10 | 4,060 70.8 3,220.5 16.4 2.2 5,743.7 4.0 | 10,813 67.8 83,481.1 14.8 21.4 2,783.1 0.7
10 - 12 | 149 2.6 454.3 2.3 8.5 764.9 14.3 | 1,021 6.4 20,806.6 3.7 56.2 574.0 1.6
12 - 15 | 173 3.0 672.7 3.4 11.0 892.9 14.6 | 1,052 6.6 27,408.7 4.8 72.1 527.2 1.4
Subtotal <=15 | 4,382 76.4 4,347.5 22.2 2.8 7,401.5 4.7 | 12,886 80.8 131,696.4 23.3 28.3 3,884.3 0.8
15 - 20 | 146 2.5 675.3 3.4 13.7 1,070.3 21.7 | 779 4.9 25,669.2 4.5 92.9 495.8 1.8
20 - 25 | 87 1.5 520.4 2.7 18.3 666.1 23.4 | 473 3.0 21,029.9 3.7 124.9 278.9 1.7
25 - 30 | 80 1.4 576.2 2.9 22.7 687.0 27.0 | 327 2.0 17,199.3 3.0 151.9 228.9 2.0
30 - 40 | 874 15.2 9,266.5 47.3 29.2 5,212.9 16.4 | 420 2.6 28,808.3 5.1 195.9 272.7 1.9
40 - 50 | 46 0.8 568.3 2.9 37.9 538.1 35.8 | 216 1.4 18,580.0 3.3 252.2 184.7 2.5
50 - 100 | 83 1.4 1,684.5 8.6 60.5 1,444.2 51.9 | 446 2.8 60,587.6 10.7 403.1 206.0 1.4
100 - 200 | 26 0.5 1,049.7 5.4 114.7 776.2 84.8 | 202 1.3 54,090.0 9.6 815.5 188.8 2.8
200 - 400 | 4 0.1 270.9 1.4 185.0 950.9 649.5 | 113 0.7 62,191.9 11.0 1,599.0 77.4 2.0
400 - 800 | 3 0.1 388.5 2.0 353.8 1,383.0 1,259.5 | 65 0.4 79,148.2 14.0 3,331.3 0.0 0.0
800 - 1600 | 1 0.0 242.4 1.2 662.3 717.4 1,960.1 | 27 0.2 58,813.2 10.4 5,951.5 0.5 0.1
1600 - 3200 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 2 0.0 7,663.7 1.4 10,469.6 0.0 0.0
3200 - 6400 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
6400 - 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
> 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
Total | 5,732 100.0 19,590.2 100.0 9.6 20,847.6 10.2 | 15,956 100.0 565,477.7 100.0 98.8 5,818.1 1.0
 
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).
 
                                                                                                                            02NOV10

 


Colorado 1995
 
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 | 1,122 19.4 143.7 0.7 0.4 105.4 0.3 | 1,256 8.1 1,157.6 0.2 2.7 26.2 0.1
1 - 2 | 818 14.1 349.1 1.6 1.2 477.5 1.6 | 1,297 8.3 3,427.4 0.6 7.4 121.7 0.3
2 - 4 | 972 16.8 773.4 3.6 2.2 1,295.5 3.7 | 2,635 16.9 13,632.6 2.6 14.3 565.3 0.6
4 - 6 | 459 7.9 630.6 2.9 3.9 1,075.2 6.6 | 2,118 13.6 19,145.1 3.6 25.0 623.1 0.8
6 - 8 | 396 6.8 779.6 3.6 5.5 1,259.6 9.0 | 1,437 9.2 18,419.8 3.5 35.5 549.6 1.1
8 - 10 | 218 3.8 489.5 2.3 6.6 1,043.3 14.1 | 1,178 7.6 19,239.9 3.6 45.6 577.1 1.4
Subtotal <=10 | 3,985 68.9 3,165.9 14.8 2.2 5,256.6 3.7 | 9,921 63.8 75,022.4 14.1 21.1 2,463.1 0.7
10 - 12 | 155 2.7 458.3 2.1 8.3 856.5 15.6 | 882 5.7 17,828.2 3.3 56.4 504.7 1.6
12 - 15 | 175 3.0 634.2 3.0 10.4 1,093.0 18.0 | 1,121 7.2 27,369.4 5.1 68.4 764.5 1.9
Subtotal <=15 | 4,315 74.6 4,258.5 19.9 2.8 7,206.1 4.7 | 11,924 76.6 120,220.0 22.6 28.1 3,732.3 0.9
15 - 20 | 207 3.6 883.1 4.1 12.5 1,945.1 27.6 | 1,251 8.0 39,961.4 7.5 90.2 924.7 2.1
20 - 25 | 120 2.1 708.1 3.3 17.3 1,290.6 31.5 | 622 4.0 25,793.6 4.8 118.6 551.3 2.5
25 - 30 | 69 1.2 493.8 2.3 21.1 864.4 36.8 | 352 2.3 17,684.1 3.3 146.5 333.9 2.8
30 - 40 | 862 14.9 9,662.0 45.1 30.9 5,927.2 19.0 | 423 2.7 27,732.6 5.2 189.5 445.1 3.0
40 - 50 | 48 0.8 571.8 2.7 37.4 628.2 41.1 | 220 1.4 19,197.8 3.6 251.4 179.0 2.3
50 - 100 | 118 2.0 2,496.0 11.6 60.2 1,464.1 35.3 | 406 2.6 54,207.3 10.2 390.3 315.8 2.3
100 - 200 | 37 0.6 1,305.1 6.1 107.8 1,552.4 128.2 | 191 1.2 52,728.4 9.9 824.1 221.0 3.5
200 - 400 | 7 0.1 494.1 2.3 222.5 1,110.5 500.0 | 94 0.6 52,700.2 9.9 1,635.7 73.9 2.3
400 - 800 | 2 0.0 310.7 1.4 425.6 954.0 1,306.8 | 58 0.4 72,914.3 13.7 3,488.9 5.7 0.3
800 - 1600 | 1 0.0 257.8 1.2 706.3 596.7 1,634.8 | 18 0.1 41,950.6 7.9 6,385.2 0.5 0.1
1600 - 3200 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 2 0.0 7,915.8 1.5 10,843.5 0.0 0.0
3200 - 6400 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
6400 - 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
> 12800 | 0 0.0 0.0 0.0 0.0 0.0 0.0 | 0 0.0 0.0 0.0 0.0 0.0 0.0
Total | 5,786 100.0 21,441.0 100.0 10.5 23,539.4 11.5 | 15,561 100.0 533,006.2 100.0 96.1 6,783.1 1.2
 
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).
 
                                                                                                                            02NOV10