Variable orifice bypass plunger

Details Variable orifice bypass plunger Variable orifice bypass plunger

2005-04-20

2008-10-21

Bates, Zakiya W. (Department: 3676)

Wells

With below and above ground modification

Eduction pump or plunger in well

C166S105200, C166S110000, C166S169000

Reexamination Certificate

active

07438125

ABSTRACT:
A plunger mechanism comprises an adjustable bypass valve. Depending on well parameters, a user may desire to adjust the descent rate of a plunger in service. The present device allows the user to vary or adjust the bypass orifice to alter the flow of liquid through the plunger core.

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MGM Well Service, Inc., Pacemaker Plunger Co., P.O. Box, 270924, Corpus Christi, TX 78427-0924 Pacemaker Plunger Cariations internet marketing material, Feb. 12, 2003.

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