Geoscience Reference
In-Depth Information
The producing gas-liquid ratios reported on figures 5-3 through
5-7 are not normalized to any standard surface facilities, i.e., number
of separators, and also are not normalized to any standard operating
temperatures and pressures. This lack of standardization causes most
of the scatter in the data. The molecular weights of the heptanes plus
fractions do have some effect; the higher molecular weights give results
that tend along the bottom of the line of data points.
1000000
100000
10000
1000
100
10
1
0
1
1
1
Composition of Heptanes Plus In Reservoir Fluid, mole %
Laboratory observed dewpoint
Laboratory observed bubblepoint
Fig. 5-5. Initial producing gas-liquid ratio correlates well with composition of heptanes plus in
reservoir fluid (data from 1,451 reservoir fluid studies).
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