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1. MULTIFUNCTIONAL VALVE FOR THE ARRANGEMENT OF SUBMERSIBLE DOWNHOLE PUMPS IN DOWNHOLE OIL PRODUCTION
2. Reliability-Oriented Modeling of Bellows Compensators: A Comparative PDE-Based Study Using Finite Difference and Finite Element Methods
3. Extension of operational life of ball valves in piston and plunger pumps
4. HYDRODYNAMIC SIMULATION OF THE STEAM-ASSISTED GRAVITY DRAINAGE METHOD FOR DIFFERENT RESERVOIR THICKNESSES USING ECLIPSE
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