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We write equations (we have 3 equations - number of
equations in the system equals the number of rows of wells)
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
 f  P bh 2  Q 1  Q 2  Q 3  D 0  Q 1  Q 2  Q 3  0 1 

  Q 2  Q 3  1 2  Q 2  2
      (3.3)
 P f  P bh 3 Q 1  Q 2  Q 3 k 0 Q 1  Q 2  Q 3 0 1
  Q 2  Q 3  1 2  Q 3  2 3  Q 3  3 ,


where Р f – pressure drainage boundary (formation pressure), Pa;
Р bh1, Р bh2, Р bh3 - bottom-hole pressures the first, second and third
rows of wells, Pa; Q 1, Q 2, Q 3 – flowrates the first, second and third
3
rows of wells, m /s;  D-o,  o-1,  1-2,  2-3 - external filtration
3
resistances, Pаs/m ;  1,  2,  3 – internal filtration resistances,
3
Pаs/m .
External filtration resistances for the strip deposit are
defined by formulas (3.4)-(3.7)
 l  l
 D 0  w k 0 ; (3.4)  0  oil 0 1 ; (3.5)
Bkh 1 Bkh
 l  l
 1  oil 1 2 ; (3.6)  2  oil 2 3 ; (3.7)
2
Bkh 3 Bkh
where  w,  oil  coefficients of dynamic viscosity of water and oil,
respectively, Pаs, for water  w=1 mPаs; l D-0, l 0-1, l 1-2, l 2-3 
distances, m; В  width of deposit, m; k  coefficient of
2
permeability, m ; h  layer thickness, m.
Internal filtration resistances not depend on the form of
deposit and defined by formulas (3.8)-(3.10)

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