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oil ln 1 ; (3.8) oil ln 2 ; (3.9)
1
2 khn 1 r r w 1 2 2 khn 2 r r w 2
2 khn oil ln r 3 ; (3.10)
3
3
r
w
3
where 1, 2, 3 - the half distance between the wells for each row,
m; n 1, n 2, n 3 - amount of wells in each row.
Half distance between the wells is defined by the formula
B
.
i
2 n i
Solving equation (3.3) determine the flowrates of rows of
wells.
The system of equations (3.3) can make another method
P f P bh 1 Q 1 Q 2 Q 3 D 0 Q 1 Q 2 Q 3 0 1 Q 1 1
P
bh 1 P bh 2 Q 2 Q 3 1 2 Q 2 2 Q 1 1
P
bh 2 P bh 3 Q 3 2 3 Q 3 3 Q 2 2 .
Example 2. We have circle deposit, which is being
developed by two rows of wells. Define bottom-hole pressures
in the rows of wells, if known: flowrates rows of wells,
reservoir parameters and reservoir fluids and the number of
wells (Fig. 3.5).
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