DEPTH AND CAPACITY OF WELLS. 



237 



Thickness 

 in feet. 



9 



well, drilled on lot -'55, concession 3, Bertie township, by the Provincial 

 Natural Gas and Fuel company, is a follows : 



Formation. Strata. 



Surface deposits • 



Corniferous Dark-gray limestone 



Onondaga Gray and drab dolomites, black shales and gypsum. . 



Guelph and Niagara. . . Gray dolomite 



Niagara ... Black shale 



Clinton White crystalline dolomite, gray toward bottom. . . 



Red sandstone 



Red shale 



Blue shale 



White sandstone 



Blue shale 



White sandstone (" gas-rock ") 



Medina. 



Total . 



390 



240 



50 



30 



55 



10 



5 



5 



20 

 16 



846 



Records of twenty-eight Wells. — In the above well 2,000 ,000 cubic feet of 

 gas per day were struck at a depth of 836 feet, or six feet in the second 

 white sandstone bed. This company have drilled some thirty wells, the 

 records of which do not differ materially from that given above, though 

 capacity varies greatly, as may be seen from the following table : 



Number of the 

 well. 



1. 



9 



Cubic feet per 

 day. 



. 2,050,000 

 375,000 

 600,000 



. 2,200,000 



3 



-1 



5 8,500,000 



6 70,000 



7 3,000,000 



8 47,000 



.9 3,500,000 



10 4,500,000 



11 300,000 



12 5,500,000 



13 300,000 



14 5,000 



Number of the 

 well. 



Cubic feet per 

 day. 



15 50,000 



16 12,500,000 



17 2,500,000 



18 2,000,000 



19 1,500,000 



20 300,000 



21 None. 



22 2,600,000 



23 30,000 



25 500,000 



26 2,750,000 



27 None. 



28.-. Limited. 



Gas-bearing Bed of the Medina. — In all of these wells, with the exception 

 of number 22, the entire flow was obtained from the second white sand- 

 stone bed of the Medina; nor are these the only wells producing large 

 quantities of gas from that horizon, as shown below. 



Daily Capacity of some of (he Wells. — The largest gas well is that known 

 as Coste number 1, drilled by the Ontario Natural Gas company on lot 

 7, concession 1, of Gosfield, and carried to a depth of 1,021 feet, wherein 



