This 3-page reservoir lab report analyzes the compressibility of a gas sample. The report details experiments conducted on a gas volume of 2147.94 cc at various pressures between 5000 and 0 psia. The compressibility factor (Z) was calculated at each pressure point by dividing the actual gas volume by the theoretical ideal gas volume. A chart plots the compressibility factor against pressure, showing a decreasing Z as pressure increases. The bubble point of the gas was determined to be 2600 psia.

1. 1 | P a g e
RESERVOIR LAB REPORT
PREPARED BY:
ALI KHALID
University of Baghdad
Collage of Engineering
Department of Petroleum
3RD
YEAR (B1)
COMPRESSIBILITY

2. Compressibility factor
V volume of gas =2147.94 cc
N=PV/RT
n= 14.7 *(2147.94/28316)/10.7 *520
n= 0.0002
Videal = n RT/ p
Z=vactual / videal
Ppsig Ppsia Vcc(actual) V(ft^3) Videal(ft) Z
5000 5014.7 5.05 0.000178 0.000222 0.803688
4000 4014.7 5.36 0.000189 0.000277 0.682918
3000 3014.7 5.78 0.000204 0.000369 0.552997
2000 2014.7 9.47 0.000334 0.000552 0.605496
1000 1014.7 25.25 0.000892 0.001097 0.813111
500 514.7 56.83 0.002007 0.002162 0.928288
0
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0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 1000 2000 3000 4000 5000 6000
Chart Title
Series1

3. Bubble point=2600 psia
0
1000
2000
3000
4000
5000
6000
0 0.0005 0.001 0.0015 0.002 0.0025
Chart Title