Wells – With below and above ground modification – Eduction pump or plunger in well
Reexamination Certificate
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.
A Law Firm, P.C.
Bates Zakiya W.
Law Aileen
Production Control Services, Inc.
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