Combined seal head and pump intake for electrical submersible pump

• Publisher: Elsevier Science
• Year: 2009
• Tongue: English
• Weight: 248 KB
• Volume: 2009
• Category: Article
• ISSN: 1350-4789
• DOI: 10.1016/s1350-4789(09)70332-0

✦ Synopsis

This patent describes the construction of a downhole pump that includes an electric motor containing a dielectric lubricant. A seal section is mounted to the motor for reducing the pressure differential between the lubricant in the motor and the well bore fluid. A mechanical shaft seal is included between the motor and pump.