Hydraulic submersible pump for oil well production

Details Hydraulic submersible pump for oil well production Hydraulic submersible pump for oil well production

1998-02-13

1999-12-21

Freay, Charles G.

Pumps

Motor driven

Fluid motor

417904, 166105, F04B 1700

Patent

active

060041145

ABSTRACT:
A flow control assembly is provided for a submersible pump drive which has a hydraulic drive motor and a bearing pack for sealing a drive shaft which transfers drive from the drive motor to an oil well pump. The flow control assembly incorporates a production containment device for engaging said bearing pack The production containment device has a collar for supporting the bearing pack, drive shaft and hydraulic drive motor within the submersible pump drive, and a passageway through the collar for channeling fluid therethrough. The flow control assembly further includes a seal protection device for demountably engaging the bearing pack opposite the hydraulic drive motor. The seal protection device has a fluid deflecting cone shaped tip and a hollow cylindrical portion adjacent the tip for receiving a lubricant to impede any fluid entering the seal protection device from migrating through the bearing pack.

REFERENCES:
patent: 2737119 (1956-03-01), Hill
patent: 3833060 (1974-09-01), Craggs et al.
patent: 4386654 (1983-06-01), Becker
patent: 5209294 (1993-05-01), Weber
patent: 5501580 (1996-03-01), Barrus et al.
One page sheet titled "Proalta Rodless Lift System", 1996.

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