Geo-Fluid-Dynamical Parameters of Oil and Gas Occurrence on Local Structures and in Zones of Dominant Oil and Gas Accumulation - Fluid Dynamics of Oil and Gas Reservoirs - page 495

Table 10.1 Mobilit y conditions of alkaline waters in vertical section of ields and their hydrocarbon concentration.

Field Vertical

range of
oil occur-
rences, m

Depth to
transition
boundary
between
hard and
alkaline
waters, m

Transition
boundary
distance
from base of
Productive
Sequence, m

Ratio of alka-
line water
occupied
interval to
vertical range
of oil occur-
rences, %

Oil reserves in
section inter-
val saturated
with alkaline
waters, % of
total ield
reserves

Oil reserves in
500 m-thick
interval from base
of Productive
Sequence, % of
total ield reserves

Fraction
of 500
m from
vertical
range of
oil occur-
rences, %

Balakhany-
Sabunchi-
Ramany

1,700 750 1125 66 65 35 30

Surakhany 1,800 1,600 980 54 55 33 28

Karachukhur 1,700 1,950 960 57 64 55 30

Zykh 1,400 2,400 1,028 73 94 82 36

Peschany Island. 1700 2,250 1,211 71 73 41 30

Buzovny-
Mashtagi

800 1,500 550 69 98 98 63

Kala 1,800 1,000 1,200 67 65 46 28

Zyrya 950 4,100 900 95 96 90 52

Bibieybat 1,900 1,050 996 52 55 27 26

Lokbatan 1,000 1,350 900 90 68 75 50