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Offshore Operation Facilities by Menglan Duan, Huacan Fang

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3.13. Tools and Equipment of Marine Mechanical Production

Mechanical production is also called artificial lift. It is a production practice that uses different machinery and equipment to raise the liquid in the reservoir to the ground through artificial methods. Because a well at sea is a directional well, which limits the use of a rod, a rod pump is generally not used at sea. Therefore, offshore artificial lift generally uses methods such as gas lift, electric submersible pumps, hydraulic piston pumps, and so on.

3.13.1. Gas Lift

Gas lift is an artificial lift method that is the closest to natural flowing production. Firstly inject compressed gas into the bottom of the tubing, where it mixed with fluid that oil layers produce. So both the density ...

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