Source:Committee on Statistics of Drilling, American Association of Petroleum
Geologists.618 
MINERALS YEARBOOK, 1967 
 
360 were State classified as marginal wells, were producing at yearend. In
May, Shell Oil Co. increased its posted prices for some North Dakota crude
oils by 3 cents per barrel bringing the top price to $2.71 per barrel for
40.0° to 44.9° API oil. Estimated ~ known primary- and secondary-recoverable
reserves were 713.7 million barrels, anjncrease of 7 percent over those of
the pre 
vious year. As in the past most of the reserves (77.2 percent) were in Mississippian
rock. Reserves in rocks of Ordovician age declined slightly, to 7.1 percent
of the total. 
 
4 Folsom, Clarence B., Jr. North Dakota 
Crude Oil Inventory as of Jan 1, 1968. North 
Dakota Geol. Survey, Miscellaneous Series No. 
36, 1968, p. 1. 
 
Table 6.—Crude petroleum production, by counties 
(Thousand 42-gallon barrels) 
County 1966 1967 Principal fields in 1967 in order of production 
Billings 2,180 2,363 Fryburg, Medora, Rocky Ridge.Bottineau 2,642 2,399 Newburg,
South Westhope, Wiley, Haas, Mohall.Bowman 754 711 Cedar Creek.Burke 2,992
2, 669 North Tioga, Rival, Black Slough, Northeast Foothills, Foothills.Divide
352 328 North Tioga, Stoneview.Dunn 33 23 Lost Bridge.McHenry 43 41 Pratt.McKenzieJ
7,490 6,297 Antelope, Charlson, Blue Buttes, Hawkeye, Clear Creek.Mountrail
1, 139 959 Tioga, White Earth, East Tioga.Renville 2,252 2,145 Sherwood,
Glenburn, Mouse River Park.Slope 70 107 Eleven Bar.Stark 111 1,016 West Dickinson,
Dickinson, Buffalo Creek.Ward 5 37 Southwest Aurelia,Williams 7,063 6,220
Beaver Lodge, Capa, Grenora, Tioga. 
 Total 27,126 25,315 
Source: North Dakota Geological Survey. 
 
 
Table 7.—Oil and gas well drilling in 1967, by counties 
County Oil Gas Dry Total Footage 
Exploratory completions: 
 Billings  4 4 38,732 Bottineau  5 5 21,265 Bowman 2  2 18,299 Burke  3 3
22,868 Burleigh  4 4 16,042 Cavalier  1 1 2,502 Divide  3 3 20,691 Dunn 
2 2 18,599 Emmons  1 1 3,772 Golden Valley  3 3 28,146 McHenry  2 2 8,554
McKenzie 2 1 3 26,405 Mountrail  1 1 7,360 Renville 1 11 12 59,641 Slope
 2 2 22,670 Stark  4 4 38,024 Ward  6 6 35,836 Wells  1 1 3,800 Williams
3  3 25,028 
 Total 8 54 62 418,234 
 
Development completions: 
 Billings 3 3 6 48,272 Bottineau 8 7 15 57,524 Bowman  1 1 8,317 Burke 14
4 18 119,111 McKenzie 7  7 54,897 Renville 10 6 16 79,371 Stark 21 5 26 209,453
Ward 1 1 2 13,015 
 Total 64 27 91 589,960 Grand total 72 81 153 1,008,194