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This quasi-stationary simulator models the upward movement of non-homogeneous gas-liquid packet and takes into consideration:
- The presence of a gas formation with abnormally high pressure.
- Properly models different propagation velocities for gas and liquid that causes the packet to appear.
- Accounts for compression waves (but not not elastic waves).
- Allows controlling borehole pressure by changing diameter of flow choke and changing pump output rate and mud density.