Wells – Above ground apparatus – Well caps or casing heads
Reexamination Certificate
2006-06-06
2008-12-30
Gay, Jennifer H (Department: 3676)
Wells
Above ground apparatus
Well caps or casing heads
C166S088100, C166S096100
Reexamination Certificate
active
07469742
ABSTRACT:
A gas well cap seal assembly adapted to seal the casing bowl of a gas well and to pressurize the annulus region between the inner surface of the well bore and the outer surface of the well casing which is filled with wet cement. The pressurized annulus aids in the prevention of forming gas bubbles and gas leakage paths in the annulus region.
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Gay Jennifer H
Hughes Michael F.
Hughes Law Firm PLLC
Stephenson Daniel P
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