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7.4.12 Determine gas saturation factor S of the rock sample (in

g

fractions) using the following ratio:

S  1 S  S (7.8)
g o w

7.5 Checking questions

7.5.1 Give the definitions of oil, water and gas saturation factor

of rock.
7.5.2 Write the equation for determining the volume of oil in rock

sample. Give identification of all symbols in the equation and units of

measurement.
7.5.3 The structure of the device for determination of oil, water

and gas saturation of rock samples (cores).
7.5.4 Explain the principle of operation of the device for

determination of oil, water and gas saturation of the rock sample.
7.5.5 In what calculations in oil and gas engineering are oil, water
and gas saturation factors of rock used?

7.5.6 Write the equation for determining oil saturation factor of

rock sample (using parameters m and  ). Give identification of all

rs
symbols in the equation and all units of measurement.
7.5.7 Write the equation for determining water saturation factor of

rock sample (using parameters m and  ). Give identification of all
rs

symbols in the equation and all units of measurement.

7.6 References
/1,3,4,5,10,11,12/

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