Wells – Valves – closures or changeable restrictors – Fluid operated
Reexamination Certificate
2011-08-23
2011-08-23
Wright, Giovanna C (Department: 3672)
Wells
Valves, closures or changeable restrictors
Fluid operated
C166S334100, C166S334400, C166S373000
Reexamination Certificate
active
08002039
ABSTRACT:
Embodiments of the invention are directed to a valve. In one embodiment, the valve includes a body having a first biasing member and a sealing member configured to axially move inside the body against the first biasing member to provide a path for fluid to flow from an interior region of the body to an exterior region of the body at a first predetermined pressure difference across the sealing member.
REFERENCES:
patent: 3713490 (1973-01-01), Watson
patent: 4522266 (1985-06-01), Barrington
patent: 4557333 (1985-12-01), Beck
patent: 4721162 (1988-01-01), Pringle et al.
patent: 5156207 (1992-10-01), Haugen et al.
patent: 5390737 (1995-02-01), Jacobi et al.
patent: 5826657 (1998-10-01), Ringgenberg
patent: 6289990 (2001-09-01), Dillon et al.
patent: 6328111 (2001-12-01), Bearden et al.
patent: 6354378 (2002-03-01), Patel
patent: 6585048 (2003-07-01), Heijnen
patent: 2314106 (1997-12-01), None
patent: WO-0106086 (2001-01-01), None
“DHMV” Automatic Downhole Master Valve, Dresser Oil Tools, Dallas, Texas, no date available.
Coon Robert J.
Tran Khai
Patterson & Sheridan L.L.P.
Weatherford / Lamb, Inc.
Wright Giovanna C
LandOfFree
Valve for controlling the flow of fluid between an interior... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Valve for controlling the flow of fluid between an interior..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Valve for controlling the flow of fluid between an interior... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2772982