OIL ANALYSES 



Analyses of the Petroleums 



719 



Fields 



Baume 



gravity. 



Gasoline, benzine, 

 naphtha, kero- 



(i-:;()(|0 C. 



Lubricating 



oil and 

 residuum. 



Kansas 



Chanute 



Paola 



Augusta 



Oklahoma 



Muskogee 



Gushing 



Bird Creek 



Glenn Pool 



Healdton 



Texas 



Petrolia (deep) 



Petrolia (shallow) .... 



Electra (deep) 



Eleetra (shallow) 



Corsieana (light) 



Corsicana (heavy) . . . . 



Thrall 



Strawu 



Louisiana 



Caddo 



Crichton 



23.1 

 34.5 



38.3 



38.1 

 40.9 

 34.8 

 35.5 

 30.3 



44.9 



39.5 



42. 



40.8 



.36.3 



25.9 



38.4 



36.3 



41. 



39.8 



39.5 



43 



53.6 



46 

 66 

 45. 

 50. 

 42 



35 

 19 



28.5 



25 



50 



55 (kerosene) 



55 



51 



58 

 67 



57.2 



55.8 

 46 



52.8 



30 



52.8 



49.9 



52.9 



65 



81 



71.5 



75 



50 



45 



45 



49 



40.4 

 33 



Nature of local Folding 



In the Mid-Continent region from Kansas to Louisiana there are local 

 folds in the earth^s strata in which the total area affected is very small 

 for the amount of vertical movement. It is scarcely consistent to accept 

 the theory of their having originated, as previously supposed, entirely 

 from thrust pressures acting tangentially. For example, note the dome 

 at Garber. This is a local uplift that lies west of all other known oil 

 and gas fields in Oklahoma, and consequently farthest from the Ozark 

 arch, yet it is above the average in height and confined to a relatively 

 small area. It is a common type. The structures at Eldorado and 

 Augusta, Kansas; at Gushing, Oklahoma, or at Petrolia, Texas, are all 

 examples of domes, or anticlines, that lie back from the sources of pres- 

 sure in regions that are otherwise very slightly disturbed by folding and 

 faulting. 



