Wells – Above ground apparatus – With seal for reciprocating member
Reexamination Certificate
2011-08-16
2011-08-16
Wright, Giovanna (Department: 3672)
Wells
Above ground apparatus
With seal for reciprocating member
C166S084400, C166S088100
Reexamination Certificate
active
07997334
ABSTRACT:
A method and apparatus for containing fluid in ah area of a wellbore annulus, in which fluid is energized to create a fluid flow which is at least partially obstructed and is directed to form in the annulus a localized area of high pressure to contain fluid in an area of the annulus of lower pressure. In an embodiment, the method creates a pressure plug in the annulus.
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Phuel Oil Tools Limited
Taft Stettinius & Hollister LLP
Wright Giovanna
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