Wells – Processes – With indicating – testing – measuring or locating
Reexamination Certificate
2005-02-22
2005-02-22
Dang, Hoang (Department: 3672)
Wells
Processes
With indicating, testing, measuring or locating
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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Boyer LeMoyne
Bramlett Bobby R.
Dorado Doneil M.
Gibbs Sam Gavin
Nolen Kenneth Bernard
Andrews & Kurth LLP
Bush Gary L.
Dang Hoang
Lufkin Industries, Inc.
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