Predictions of Oil or Gas Potential by Near-Surface Geochemistry
V.T. Jones and R.J. DrozdThe American Association of Petroleum Geologists Bulletin V.67, No. 6 (June 1983), P.932-952

Table 4.  Repeatability of Soil-Gas Surveys near Pleasant Creek Area, California 

Date

C1/∑Cn

C1/C2

(C3/C1) x 1,000

 

 

 

 

May 1975

90

20

19

July 1975

89

18

24

July 1976

89

16

20