Wells – Processes – With indicating – testing – measuring or locating
Reexamination Certificate
2007-05-30
2010-10-26
Gay, Jennifer H (Department: 3676)
Wells
Processes
With indicating, testing, measuring or locating
C166S250010
Reexamination Certificate
active
07819189
ABSTRACT:
A plunger has a transmitter that produces signals as the plunger moves in a well. The signals are pulses that are produced at a constant interval. The plunger signals are detected and used to determine the location, direction of travel and speed of the plunger in the well. In addition, the location or height of the liquid level is detected as is the arrival of the plunger at the well bottom.
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Gay Jennifer H
Harbison-Fischer, L.P.
Mantooth Geoffrey A.
Wills, III Michael
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