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U.S. DEPARTMENT OF THE INTERIOR
U.S. GEOLOGICAL SURVEY

The Red Sea Basin Province: Sudr-Nubia(!) and Maqna(!) Petroleum Systems¹

Sandra J. Lindquist, Consultant to
U.S. Geological Survey, Denver, CO
World Energy Project
October, 1998

USGS Open-File Report 99-50-A

Table 2. Percentage distribution of ultimate recoverable reserves by reservoir rock
in the Gulf of Suez. Percentages not in parentheses are based on Petroconsultants
(1996). Those from Salah and Alsharhan (1997) are shown in italics and parentheses. Reservoir quality
information is derived from Petroconsultants (1996).

Reservoir
Rock

Ultimate
Recoverable(%)

Average
Porosity (%)

Average
Permeability (mD)
geom (arith)

    POST- AND SYN-RIFT
         (post-Oligocene)

Shukeir (Pliocene)
Zeit (Upper Miocene)
S. Gharib (Upper Miocene)
Belayim (Middle Miocene) *
Kareem (Middle Miocene) *
Rudeis (Lower Miocene)
Nukhul (Lower Miocene)

TOTAL

Average

<1
<1
<1
11 (10)
24 (23)
14 (20)
2 (11)

51 (64)

25
22
22
22
22
22
16



21

?
29
775
300 (1000)
550 (1125)
700 (1450)
425 (600)



450 (1025)

         PRE-RIFT
      (pre-Oligocene)

Thebes (Eocene)
Sudr (Upper Cretaceous)
Nezzazat (Upper Cretaceous)
Nubia (Paleozoic - Lower Cretaceous)
Basement (pre-Phanerozoic)

TOTAL

Average

<1 (1)
<1
19 (14)
30 (17)
<1 (3)

49 (36)

19
18
18
19
10



18

40
?
150 (200)
300 (700)
400



200 (500)

* Approximate age equivalents of the Maqna reservoir rocks in the northern Red Sea.

U.S. Geological Survey Open-File Report 99-50-A