Methods, apparatus and products useful in the operation of a...

Wells – Processes – With indicating – testing – measuring or locating

Reexamination Certificate

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Details

C166S053000, C166S066000, C166S068500, C073S152610, C417S063000

Reexamination Certificate

active

06857474

ABSTRACT:
Apparatus, methods and products for monitoring/controlling a reciprocating well producing hydrocarbons from a wellbore, which determine the surface card from a well operating characteristics, determine the downhole card, and display both at the same scale for position.

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patent: 4594665 (1986-06-01), Chandra et al.
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patent: 5406482 (1995-04-01), McCoy et al.
patent: 5464058 (1995-11-01), McCoy et al.
patent: 5589633 (1996-12-01), McCoy et al.
patent: 5678981 (1997-10-01), Dunham
patent: 6343656 (2002-02-01), Vazquez et al.

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