TABLE 1.  STATE OF MONTANA -- SUMMARY OF PRODUCING OIL FIELDS
                            ESTIMATED               ORIGINAL  
              AVG. AVG. AVG. ORIGINAL PRODUCTIVE ORIGINAL RECOVERY ORIGINAL ORIGINAL TOTAL CUMULATIVE REMAINING 1961  PRODUCTION RECOVERABLE
              NET PORO- CONNATE OIL AREA OIL FACTOR PRIMARY SECONDARY ORIGINAL PRODUCTION RESERVES   AVG. RESERVES
LINE     YEAR  PRODUCTION APPROX. A.P.I. VOLUME PAY SITY WATER IN PLACE 1-1-62 IN PLACE & RESERVES RESERVES RESERVES 1-1-62 1-1-62 TOTAL DAILY BBLS./ BBLS. LINE 
NO. FIELD (OR POOL) COUNTY DISCOVERED FORMATION DEPTH GRAVITY FACTOR FT. % % BBLS/ACRE ACRES 1000 BBLS. PRIMARY SECONDARY 1000 BBLS. 1000 BBLS. 1000 BBLS. 1000BBLS. 1000 BBLS. BBLS. BOPD. ACRE ACRE/FT. NO.
1 Ash Creek Big Horn 1952 Shannon   (U. Cret.) 4500 34 1.05 14.  22.  35 14,855 160 2,377 26.  -- 618 -- 618 339 279 28,163 77 3,865 276 1
2 Bannatyne Teton 1927 Swift   (U. Jr.) 1450 27 1.05 39.  15.  43 24,635 170 4,188 5.  -- 209 -- 209 132 77 17,948 49 1,230 32 2
3 Bears Den Liberty 1924 Sunburst   (L. Cret.) 2300 39 1.08 20.  12.  35 11,205 200 2,241 15.  -- 336 -- 336 150 186 46,411 127 1,680 84 3
4 Belfry Carbon 1958 Fuson   (L. Cret.) 9844 38 1.60 20.  11.25 17 9,049 160 1,448 10.  -- 145 -- 145 72 73 15,375 42 906 46 4
5 Benrud Roosevelt 1961 Nisku   (Dev.) 7650 43 1.41 22.  16.  30 13,550 160 2,168 17.  --
369
-- 369 4 365 4,277 300 2,304 105 5
6 Big Wall Musselshell 1948 Tyler   (U. Miss.) 3000 31 1.02 22.  17.  40 17,066 1,140 19,455 30.  -- 5,837 -- 6,869 4,069 2,800 400,075 1,098 5,120 233 6
7 Big Wall Musselshell 1953 Amsden   (L. Penn.) 2500 19 1.01 17.  16.  35 13,647 280 3,821 27.  -- 1,032 -- 3,685 217 7
8 Blackfoot Glacier 1955 Madison   (Miss.) 3550 25 1.15 8.  14.  40 4,533 480 2,176 20.  -- 435 -- 844 516 328 101,257 277 906 113 8
9 Blackfoot Glacier 1955 Cut Bank   (L. Cret.) 3500 30 1.11 15.  15.  35 10,221 160 1,635 25.  -- 409 -- 2,556 170 9
10 Border Toole 1929 Cut Bank   (L. Cret.) 2400 31 1.08 22.  15.  30 16,593 340 5,641 23.  -- 1,297 -- 1,297 1,097 200 9,975 27 3,816 173 10
11 Bredette-North Blaine 1949 Sawtooth   (M. Jur.) 3250 19 1.02 37.  11.7 31 22,719 5,282 120,000 5.75 9.92 6,900 5,000 11,900 5,877 6,023 240,899 660 1,306 35 11
12 Brorson Roosevelt, Daniels 1956 Charles   (Miss.) 6720 38 1.24 24.  6.  53 4,234 640 2,710 20.  -- 542 -- 542 475 67 11,157 31 847 35 12
13 Cabin Creek Richland 1954 Mission Canyon   (Miss.) 9750 32 1.50 92.  4.  40 11,419 320 3,654 15.  -- 548 -- 548 376 172 25,634 70 1,712 19 13
14 Cabin Creek Fallon 1953 Siluro-Ordovician 8400 33 1.20 50.  13.  30 29,415 6,660 195,904 18.  28 35,263
19,000
59,636 23,595 36,041 4,197,696 11,500 5,294 106 14
15 Cat Creek (Antelope-Mosby) Fallon 1956 Mission Canyon   (Miss.) 7300 33 1.13 25.  11.  30 13,215 2,259 29,852 18.  -- 5,373 -- 2,378 95 15
16 Cat Creek  (West Dome) Petroleum, Garfield 1920 Kootenai   (L. Cret.) 1225 52 1.10 10.  21.  19 11,997 200 2,399 22.  -- 528 -- 25,656 19,809 5,847 239,050 654 2,640 264 16
17 Cat Creek Petroleum, Garfield 1920 Kootenai   (L. Cret.) 1100 52 1.10 51.  21.  19 61,186 920 56,291 30.  35 16,887 3,000 18,351 360 17
18 Cat Creek Petroleum, Garfield 1945 Morrison   (U. Jur.) 1600 52 1.10 6.  22.  40 5,586 120 670 32.  -- 214 -- 1,783 297 18
19 Cat Creek Petroleum, Garfield 1945 Swift   (U. Jur.) 1750 52 1.10 25.  18.  40 19,043 880 16,758 30.  -- 5,027 -- 5,713 229 19
20 Clarks Fork-North Carbon 1956 Dakota   (L. Cret.) 8940 50 1.92 19.  19.  39 8,896 400 3,558 35.  -- 1,245 -- 1,245 991 254 22,967 63 3,112 165 20
21 Cupton Fallon 1955 Red River   (U. Ord.) 9800 33 1.50 33.  13.  35 14,421 160 2,307 7.  -- 161 -- 161 124 37 12,674 35 1,000 30 21
22 Cut Bank Glacier, Toole 1932 Kootenai   (L. Cret.) 2900 38 1.15 16.  15.  35 10,542 54,250 571,903 19.  23
108,661
26,500 142,645 93,322 49,323 2,035,633 5,577 2,003 125 22
23 Cut Bank Glacier, Toole 1945 Madison   (Miss.) 3000 39 1.10 10.  14.  30 6,912 4,010 27,717 27.  -- 7,484 -- 1,866 187 23
24 Deer Creek Dawson 1952 Red River   (U. Ord.) 9850 42 1.21 112.  6.7 35 31,270 480 15,010 8.  -- 1,201 -- 1,973 1,578 395 211,979 581 2,502 22 24
25 Deer Creek Dawson 1952 Interlake   (Sil.) 9440 42 1.22 71.  7.  35 20,543 400 8,217 9.4 -- 772 -- 1,930 27 25
26 Delphia Musselshell 1957 Amsden   (L. Penn.) 6290 35 1.15 12.  6.5 30 3,683 440 1,621 20.  -- 324 -- 324 221 103 12,946 34 736 61 26
27 Dry Creek Carbon 1930 Greybull   (L. Cret.) 5600 52 1.60 12.  12.  22 5,445 1,700 9,257 20.  --
1,851
-- 5,342 3,937 1,405 24,049 66 1,089 91 27
28 Dry Creek Carbon 1932 Pryor   (L. Cret.) 5800 52 1.20 30.  12.  25 17,455 1,000 17,455 20.  -- 3,491 -- 3,491 116 28
29 Dwyer Sheridan 1960 Mission Canyon   (Miss.) 8000 33 1.12 30.  11.8 55 11,033 2,560 28,244 15.  -- 4,236 -- 4,236 536 3,700 443,682 1,216 1,654 55 29
30 Elk Basin Carbon 1915 Frontier   (U. Cret.) 1200 45 1.16 30.  21.  20 33,702 120 4,044 -- 54 --
2,184
107,359 35,976 71,383 2,645,611 7,248 -- -- 30
31 Elk Basin Carbon 1942 Embar-Tensleep   (Perm.-Penn.) 5000 29 1.16 124.  10.5 10 78,598 1,376 108,144 -- 57 -- 61,642 -- -- 31
32 Elk Basin Carbon 1946 Madison   (Miss.) 5300 28 1.12 224.  12.  9 168,975 920 155,474 21.5 28 33,427 10,106 36,333 162 32
33 Elk Basin-Northwest Carbon 1947 Frontier   (U. Cret.) 3375 47 1.29 28.  19.  30 22,448 120 2,694 25.  38 680 340 1,020 692 328 22,576 62 5,616 200 33
34 Elk Basin-Northwest Carbon 1947 Madison   (Miss.) 6215 35 1.08 124.  11.6 20 83,036 382 31,720 19.  -- 6,027 -- 6,027 880 5,147 21,865 60 15,777 70 34
35 Flat Coulee Liberty 1933 Swift   (U. Jur.) 2900 39 1.10 22.  22.  40 20,500 80 1,640 15.  -- 246 -- 246 36 210 4,568 13 3,080 140 35
36 Frannie Carbon 1928 Tensleep   (Penn.) 2700 27 1.02 29.  19.  16 35,272 80 2,822 25.  -- 706 -- 706 485 221 22,949 63 8,830 305 36
37 Gage Musselshell 1943 Amsden   (L. Penn.) 6000 34 1.07 18.  10.  48 6,786 320 2,172 25.  -- 543 -- 543 512 31 8,703 24 1,696 94 37
38 Gas City Dawson 1955 Red River   (U. Ord.) 8700 38 1.28 25.  9.  35 8,836 2,105 18,599 18.  -- 3,348 -- 3,348 1,854 1,494 442,645 1,212 1,590 64 38
39 Glendive Dawson 1952 Stony Mtn.-Red River   (U. Ord.) 8700 38 1.25 147.  6.5 35 38,544 1,040 40,086 20.  -- 8,017 -- 8,017 5,305 2,712 519,126 1,422 7,708 52 39
40 Graben Coulee Glacier 1961 Sunburst   (L. Cret.) 2775 34 1.10 12.  16.  35 8,784 40 351 15.  -- 53 -- 53 -- 53 -- -- 1,320 110 40
41 Gypsy Basin Pondera 1958 Madison   (Miss.) 3150 -- -- -- -- -- -- 160 300 25.  -- 75 -- 75 29 46 10,275 28 469 -- 41
42 Hibbard Rosebud 1960 Amsden   (L. Penn.) 4810 31 1.05 12.  15.  35 8,644 40 346 30.  -- 104 -- 104 83 21 35,970 99 3,005 250 42
43 Ivanhoe Musselshell 1960 Amsden   (L. Penn.) 3600 32 1.08 9.  17.  40 6,594 110 725 35.  -- 254 -- 254 2,309 265 43
44 Ivanhoe Musselshell 1953 Morrison   (U. Jur.) 2800 30 1.08 10.  15.  35 7,004 80 560 18.  -- 100 -- 100 2,051 1,365 470,333 1,288 1,250 125 44
45 Ivanhoe Musselshell 1956 Tyler   (U. Miss.) 4050 33 1.08 29.  15.  20 24,997 490 12,248 25.  -- 3,062 -- 3,062         6,249 215 45
46 Keg Coulee Musselshell 1960 Tyler   (U. Miss.) 4550 32 1.15 30.  15.  25 23,071 920 21,225 20.  -- 4,245 -- 4,245 932 3,313 698,882 1,914 4,614 154 46
47 Kevin-Sunburst Toole 1922 Madison   (Miss.) 1500 32 1.08 6.5 20.  35 6,053 40,205 243,361 30.  -- 73,008 -- 73,008 66,189 6,819 666,303 1,825 1,816 280 47
48 Laurel Yellowstone 1961 Dakota   (L. Cret.) 850 54 1.10 8.  10.  30 3,952 10 40 15.  -- 6 -- 6 -- 6 -- -- 592 74 48
49 Little Beaver Fallon 1952 Red River   (U. Ord.) 8300 29 1.16 37.  12.  35 19,299 2,220 42,843 15.  -- 6,426 -- 6,426 1,774 4,652 447,645 1,226 2,895 78 49
50 Little Beaver-East Fallon 1954 Red River   (U. Ord.) 8300 30 1.20 29.  12.5 35 15,233 1,020 15,537 15.  -- 2,485 -- 2,485 868 1,617 336,410 922 2,436 84 50
51 Lookout Butte Fallon 1961 Siluro-Ordovician 8500 33 1.25 45.  15.  50 20,925 160 3,348 15.  -- 504 -- 504 -- 504 -- -- 3,150 70 51
52 Melstone Musselshell 1942 Tyler   (U. Miss.) 4250 34 1.09 25.  12.  30 14,945 360 5,380 25.  -- 1,291 -- 1,291 1,241 50 45,631 125 3,586 143 52
53 Monarch Fallon 1958 Siluro-Ordovician 8400 32 1.15 31.  7.  35 9,946 2,240 22,279 15.  --
3,342
-- 3,564 884 2,680 372,047 1,020 1,492 48 53
54 Monarch Fallon 1961 Mission Canyon   (Miss.) 6710 34 1.08 17.  19.  60 9,238 160 1,478 15.  -- 222 -- 1,387 82 54
55 Mosser Yellowstone 1936 Dakota   (L. Cret.) 1000 22 1.01 15.4 23.6 30 19,540 96 1,876 18.  -- 338 -- 338 163 175 5,046 14 3,521 229 55
56 Outlook Sheridan 1956 Siluro-Ordovician 9000 38 1.12 20.  8.  30 7,758 1,760 13,652 25.  --
3,413
-- 3,571 2,542 1,029 589,295 1,614 1,939 97 56
57 Outlook Sheridan 1957 Red River   (U. Ord.) 9900 33 1.21 35.  8.  45 9,875 80 790 20.  -- 158 -- 1,975 56 57
58 Pennel Fallon 1955 Siluro-Ordovician 8800 33 1.14 40.  11.  35 19,548 4,640 90,702 10.  -- 9,070 -- 10,443 3,688 6,755 871,688 2,388 1,954 49 58
59 Pennel Fallon 1957 Mission Canyon   (Miss.) 7000 31 1.10 38.  3.4 30 6,378 720 4,592 15.  -- 688 -- 963 25 59
60 Pennel Fallon 1960 Lodgepole   (Mis.) 7500 36 1.13 30.  8.  35 10,709 320 3,426 20.  -- 685 -- 2,141 71 60
61 Pine                    Dawson, Wibaux,  Fallon, Prairie 1952 Siluro-Ordovician 8400 34 1.17 32.  11.5 30 17,078 14,568 248,792 20.  26 49,758 14,800 64,558 31,483 33,075 5,212,260 14,280 3,415 107 61
62 Pondera Pondera, Teton 1927 Madison   (Miss.) 2100 34 1.20 15.  16.  31 10,706 5,560 59,525 35.  -- 20,834 -- 20,834 15,597 5,237 494,429 1,355 3,747 250 62
63 Pondera Coulee Teton 1961 Madison   (Miss.) 2000 34 1.10 15.  15.  30 11,100 40 444 20.  -- 89 -- 89 3 86 3,043 8 2,220 148 63
64 Poplar Roosevelt 1952 Charles-Mission Canyon   (Miss.) 5550 40 1.10 25.  11.  30 13,576 17,909 243,133 30.  -- 72,940 -- 72,940 29,570 43,370 2,365,321 6,480 4,073 163 64
65 Poplar-Northwest Roosevelt 1952 Charles-Mission Canyon   (Miss.) 6260 40 1.10 16.  10.3 45 6,393 400 2,557 15.  -- 384 -- 384 262 122 21,316 58 960 60 65
66 Ragged Point Musselshell 1947 Kibbey   (U. Miss.) 4400 33 1.09 28.  11.  40 13,152 140 1,841 27.  --
497
-- 1,558 1,104 454 138,134 378 3,550 128 66
67 Ragged Point Musselshell 1956 Tyler   (U. Miss.) 3580 32 1.10 14.  14.5 35 9,307 380 3,537 30.  -- 1,061 -- 2,785 199 67
68 Reagan Glacier 1947 Madison   (Miss.) 3700 38 1.10 11.  12.  30 6,517 3,050 19,877 30.  33 5,963 600 6,563 2,745 3,818 152,764 419 1,950 178 68
69 Red Creek Glacier 1958 Cut Bank   (L. Cret.) 2600 33 1.17 20.  19.2 25 19,094 840 16,041 25.  --
4,010
-- 5,923 873 5,050 333,636 914 4,780 242 69
70 Red Creek Glacier 1958 Madison   (Miss.) 2750 28 1.10 18.  13.  30 11,533 920 10,628 18.  -- 1,913 -- 2,080 115 70
71 Redstone Sheridan 1958 Winnipegosis   (Dev.) 9400 39 1.10 10.  7.  45 2,715 80 217 20.  -- 53 -- 53 29 24 12,565 35 662 66 71
72 Repeat Carter 1956 Red River   (U. Ord.) 8610 23 1.02 25.  10.  30 13,258 160 2,122 16.  -- 340 -- 340 196 144 26,472 73 4,250 85 72
73 Richey Dawson, McCone 1951 Charles   (Miss.) 7000 39 1.20 25.  8.  30 9,028 940 8,486 23.  -- 1,952 -- 1,952 1,580 372 126,654 347 2,080 83 73
74 Richey-Southwest McCone 1952 Interlake   (Sil.) 9200 48 1.37 21.  9.  35 6,955 300 2,087 35.  --
730
-- 955 656 299 57,175 157 2,435 116 74
75 Richey-Southwest McCone 1952 Dawson Bay   (Dev.) 9130 48 1.37 6.  9.  30 2,140 300 642 35.  -- 225 -- 750 125 75
76 Sand Creek Dawson 1959 Interlake   (Sil.) 8950 39 1.30 20.  10.  40 7,160 680 4,869 20.  -- 974 -- 1,167 667 500 178,901 490 1,432 72 76
77 Sand Creek Dawson 1959 Red River   (U. Ord.) 9400 39 1.30 15.  10.  40 5,370 240 1,289 15.  -- 193 -- 804 54 77
78 Seven Mile Dawson 1961 Siluro-Ordovician 9632 42 1.25 30.  12.  40 13,380 160 2,141 15.  -- 321 -- 321 16 305 15,816 225 2,006 67 78
79 Sidney Richland 1958 Mission Canyon   (Miss.) 9000 32 1.50 30.  4.  40 3,724 320 1,191 20.  -- 238 -- 238 61 177 22,144 61 744 25 79
80 Snyder Big Horn 1952 Tensleep   (Penn.) 4550 21 1.16 12.  20.  35 10,431 149 1,554 20.  -- 311 -- 311 285 26 19,139 52 2,085 174 80
81 Soap Creek Big Horn 1920 Tensleep-Amsden-Madison 1900 20 1.05 20.  15.  35 14,488 410 5,940 22.  -- 1,307 -- 1,307 1,071 236 67,498 185 3,185 159 81
82 Stensvan Musselshell, Rosebud 1958 Tyler   (U. Miss.) 5500 33 1.17 26.25 14.  20 19,465 1,382 26,900 25.  --
6,725
-- 6,725 4,596 2,129 1,549,353 4,245 4,860 185 82
83 Sumatra Rosebud 1949 Tyler   (U. Miss.) 4500 32 1.16 30.  18.5 35 24,123 3,720 89,737 25.  -- 22,434 -- 22,801 13,800 9,001 2,462,839 6,748 6,030 201 83
84 Sumatra Rosebud 1955 Amsden   (L. Penn.) 4000 29 1.10 8.  20.  35 7,335 200 1,467 25.  -- 367 -- 1,835 229 84
85 Tule Creek Roosevelt 1960 Nisku   (Dev.) 7700 46 1.41 25.  15.  30 14,541 1,120 16,286 25.  -- 4,072 -- 4,072 512 3,560 480,298 1,315 3,635 145 85
86 Whitlash Liberty 1927 (L. Cret.) 1400 38 1.13 15.  16.  20 13,180 1,130 14,893 15.  -- 2,234 -- 2,234 1,266 968 92,099 252 1,980 132 86
87 Wills Creek Fallon 1957 Siluro-Ordovician 8500 32 1.20 70.  12.  25 40,730 960 39,100 20.  -- 7,820 -- 7,820 1,407 6,413 403,769 1,106 8,150 116 87
88 Wolf Springs Yellowstone 1955 Amsden   (L. Penn.) 6200 30 1.07 10.5 5.75 23 3,356 4,330 14,531 22.  -- 3,197 -- 3,197 2,797 400 304,933 835 735 70 88
89 Woodrow Dawson 1952 Charles   (Miss.) 7800 32 1.45 19.  17.3 35 11,433 160 1,829 10.  -- 183 -- 183 161 22 21,331 58 1,143 60 89
Totals 2,852,787 585,043 143,172 728,215 394,141 334,074 30,901,304 85,127