Scheme

Perforation position

Water flooding

Polymer flooding

Injection well

Production well

1

All part

All part

Until water cut 98%

/

2

Upper part

All part

3

Upper part

Upper part

4

All part

Upper part

5

All part

All part

Until breakthrough (Water cut greater than 30%)

Until water cut 98%

6

Upper part

All part

7

Upper part

Upper part

8

All part

Upper part