THE OKLAHOMA FIELDS 



701 



oil and gas wells in this portion of the Mid-Continent region closely 

 approximates figures for the hydrostatic head of a colnmn of water equal 



0/<LAHOMA 



DOr?£ SOUTH or GAF0£R 



FROM OR/GiriAL M/\P BY DOITSCY HAG£R 



Figure 5. — Structure Contour Map of Dome at Gather, Oklahoma 

 From oi-iginal surface survey by Dorsey Hager 



to the depth of the wells; or, in other words, 43.4 pounds per square inch 

 for each hundred feet of depth. The well pressure is usually somewhat 



