Wells – Processes – With indicating – testing – measuring or locating
Reexamination Certificate
2011-03-22
2011-03-22
Wright, Giovanna C (Department: 3672)
Wells
Processes
With indicating, testing, measuring or locating
C166S142000, C166S147000, C166S149000, C166S191000, C166S323000, C166S334400
Reexamination Certificate
active
07909095
ABSTRACT:
A valve device and associated methods of selectively communicating between an interior and an exterior of a tubular string. A valve device includes an openable and closable flowpath for selectively permitting and preventing flow between an interior and exterior of the valve device, and a lock assembly which prevents the flowpath from being opened greater than a predetermined number of times. A method of testing at least one annular seal in an annulus formed between a tubular string and a wellbore wall includes the steps of: sealingly engaging the annular seal to thereby prevent flow through the annulus across the annular seal; and applying a pressure differential across the annular seal to thereby test the annular seal, the pressure differential being applied via a valve device interconnected in the tubular string.
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Henderson William D.
Richards William M.
Halliburton Energy Service,s Inc.
Smith Marlin R.
Wright Giovanna C
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