System and method for pumping fluids

Details System and method for pumping fluids System and method for pumping fluids

2005-11-17

2008-08-19

Neuder, William P (Department: 3672)

Wells

With eduction pump or plunger

C417S415000

Reexamination Certificate

active

07413009

ABSTRACT:
The system and method of the present invention includes an electrical to mechanical converter (EMC), such as a motor, and a hydraulic pump-and-cylinder arrangement that is connected to the electrical to mechanical converter for input, and to a sucker rod pump for output, in at least one embodiment. The entire assembly can be deployed below the level of the well fluid in a well. The EMC-driven hydraulic pump and cylinder can provide reciprocating linear motion to operate the sucker rod pump. In contrast, this linear motion is normally provided by sucker rods connected to a plunger inside a pump barrel and a pumping unit on the surface. The invention provides the required linear motion for the sucker rod pump to operate, but without the need for sucker and a surface pumping unit.

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“Mechanical Release Type GS Pulling Tool,” CoilTOOLS Catalog, Schlumberger, USA.

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