264 



The Philippine Journal of Science 



1915 



A sample which I collected from a shallow pit at seepage J, 

 about fifteen hours after the pit was completed, yielded the 

 following results upon distillation: 



Table V. — Distillation products from seepage J , Villaba, Leyte.' 



Constituent. 



Gasoline (0° to 150° C.) 



Kerosene (150° to 300° C.) .— 

 Heavy oils (800° to 400° C.) ... 

 Residue, pitch (above 400° C.) 



Percentagej 

 by weight. 



5.4 

 33.7 

 55.3 



5.6 



" Analysis by A. H. Wells, chemist. Bureau of Science. 



This petroleum contains 8.14 per cent of paraffin. The specific 

 gravity of the crude oil is 0.8597. Unfortunately the sample 

 was too small to permit of specific gravity determinations on 

 the individual fractions. 



For purposes of comparison the following analyses of petro- 

 leums from Tayabas and from Cebu are quoted from the report 

 on the Tayabas field.^ Sample 1 was taken from a shallow 

 well at Bahay, Tayabas, twenty-four hours after the well had 

 been pumped dry. Sample 2 was taken from a well drilled at 

 Toledo, Cebu, in 1896. 



Table VI. — Products of distillation of petroleum from Tayabas and Cebu. 





Sample l.» 



Sample 2.b 



Constituent. 



Specific 

 gravity 

 at 29° C. 



Volume. 



Specific 

 gravity 

 at 15° C. 



Volume. 



Crude . -. 



0.8323 

 0.7692 

 0.8333 

 0.9061 



Per. ct. 



0.885 

 0.762 

 0.832 

 0.901 



Per. ct. 



Gasoline (below 150° C.) 



30.4 



50.9 



15.1 



3.6 



6.2 

 42.32 

 38.3 

 13.17 



Kerosene (150 to 300° C.) . . 



Heavy oils (300° to 400° C.)c 



Residue (above 400° C.)<i 









■ Analysis by E. R. Dovey, chemist, Bureau of Science. A determination on a separat« 

 sample of Tayabas petroleum yielded 8.1 per cent of paraffin. 

 *" Analysis by H. C. Brill, chemist. Bureau of Science. 

 ■' Temperatures 300° to 375° C. for sample 2, heavy oils. 

 ^ Temperature above 375° C. for sample 2, residue. 



It will be seen from the foregoing analyses that the Leyte 

 petroleum is intermediate between the petroleum from Cebu 



This Journal, Sec. A (1913), 8, 358. 



