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Page 371
The lower lines represent total gas well production by vintage . The separation into wells completed prior to 1960 and thereafter in five year increments through 1979 is entirely arbitrary but avoids an excessive number of lines on the ...
The lower lines represent total gas well production by vintage . The separation into wells completed prior to 1960 and thereafter in five year increments through 1979 is entirely arbitrary but avoids an excessive number of lines on the ...
Page 437
The illustrations of the combination of the forces for a vintage encompass from four to ten decades for that vintage . During these decades many vintages will be added . The estimates of the dispersion used in the example in the first ...
The illustrations of the combination of the forces for a vintage encompass from four to ten decades for that vintage . During these decades many vintages will be added . The estimates of the dispersion used in the example in the first ...
Page 445
TABLE A2 CALCULATION OF LIFE TABLES FOR EVERY FIFTH YEAR 1950-1975 WITH ESTIMATE OF FUTURE OBSOLESCENCE MADE IN 1950 REMAINING THE SAME AS ESTIMATED FOR EACH FUTURE YEAR AT THAT TIME 1965 Vintage 1950 Vintage AGE FREQ % SUR RR AGE FREQ ...
TABLE A2 CALCULATION OF LIFE TABLES FOR EVERY FIFTH YEAR 1950-1975 WITH ESTIMATE OF FUTURE OBSOLESCENCE MADE IN 1950 REMAINING THE SAME AS ESTIMATED FOR EACH FUTURE YEAR AT THAT TIME 1965 Vintage 1950 Vintage AGE FREQ % SUR RR AGE FREQ ...
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