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Reservoir Eng Hndbk Ch 06a 2001-10-25 11:23 Page 377

377

Fundamentals of Reservoir Fluid Flow

Table 6-1 Values of the −Ei (−x) as a function of x (After Craft, Hawkins, and Terry, 1991) x

−Ei (−x)

x

−Ei(−x)

x

−Ei(−x)

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0 4.1 4.2

1.82292 1.22265 0.90568 0.70238 0.55977 0.45438 0.37377 0.31060 0.26018 0.21938 0.18599 0.15841 0.13545 0.11622 0.10002 0.08631 0.07465 0.06471 0.05620 0.04890 0.04261 0.03719 0.03250 0.02844 0.02491 0.02185 0.01918 0.01686 0.01482 0.01305 0.01149 0.01013 0.00894 0.00789 0.00697 0.00616 0.00545 0.00482 0.00427 0.00378 0.00335 0.00297

4.3 4.4 4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 6.0 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 6.9 7.0 7.1 7.2 7.3 7.4 7.5 7.6 7.7 7.8 7.9 8.0 8.1 8.2 8.3 8.4

0.00263 0.00234 0.00207 0.00184 0.00164 0.00145 0.00129 0.00115 0.00102 0.00091 0.00081 0.00072 0.00064 0.00057 0.00051 0.00045 0.00040 0.00036 0.00032 0.00029 0.00026 0.00023 0.00020 0.00018 0.00016 0.00014 0.00013 0.00012 0.00010 0.00009 0.00008 0.00007 0.00007 0.00006 0.00005 0.00005 0.00004 0.00004 0.00003 0.00003 0.00003 0.00002

8.5 8.6 8.7 8.8 8.9 9.0 9.1 9.2 9.3 9.4 9.5 9.6 9.7 9.8 9.9 10.0

0.00002 0.00002 0.00002 0.00002 0.00001 0.00001 0.00001 0.00001 0.00001 0.00001 0.00001 0.00001 0.00001 0.00001 0.00000 0.00000

Reservoir Eng Hndbk Ch 06a 2001-10-25 11:23 Page 378

378

Reservoir Engineering Handbook

Figure 6-19. The Ei-function. (After Craft, Hawkins, and Terry, 1991.)