Wells – Processes – Placing or shifting well part
Reexamination Certificate
2007-04-20
2010-10-12
Gay, Jennifer H (Department: 3676)
Wells
Processes
Placing or shifting well part
C166S387000, C166S332400, C166S373000
Reexamination Certificate
active
07810575
ABSTRACT:
An isolation system for an oil and gas well is described wherein the system comprises an isolation section and a first isolation device integral with the section and a second isolation device sealingly engaged to the section. The first isolation device may be a pressure-actuated valve and the second isolation device may be a plug.
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BJ Services Company U.S.A.
Gay Jennifer H
Harcourt Brad
Zarian Midgley & Johnson PLLC
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