Wells – Processes – Placing or shifting well part
Reexamination Certificate
2008-06-17
2008-06-17
Dang, Hoang (Department: 3672)
Wells
Processes
Placing or shifting well part
C166S134000, C166S179000, C166S206000
Reexamination Certificate
active
07387170
ABSTRACT:
A packer device includes a central packer mandrel and a radially surrounding expansion mandrel. At least one slip mandrel carrying wickers surrounds the expansion mandrel and is secured in place upon the expansion mandrel by an annular retaining ring. The slip mandrel is secured to the retaining ring by screw connectors that pass through the slip mandrel and into retainer segments. The retaining ring is clamped between the slip mandrel and segments. Additionally, the packer device carries a fluid seal that is made up of a thermoplastic material with elastomeric energizing elements.
REFERENCES:
patent: 2373005 (1945-04-01), Baker
patent: 2584448 (1952-02-01), Hern
patent: 2751013 (1956-06-01), Conrad
patent: 2785758 (1957-03-01), Baker
patent: 3155164 (1964-11-01), Keener
patent: 3477506 (1969-11-01), Malone
patent: 4457369 (1984-07-01), Henderson
patent: 6378606 (2002-04-01), Swor et al.
patent: 6446717 (2002-09-01), White et al.
patent: 6481497 (2002-11-01), Swor et al.
patent: 6513600 (2003-02-01), Ross
patent: 6536520 (2003-03-01), Snider et al.
patent: 7017669 (2006-03-01), Johnston et al.
patent: 2005/0028989 (2005-02-01), Doane et al
Conner Nicholas S.
Doane James C.
Harper Jason M.
Baker Hughes Incorporated
Dang Hoang
Hunter Shawn
LandOfFree
Expandable packer with mounted exterior slips and seal does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Expandable packer with mounted exterior slips and seal, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Expandable packer with mounted exterior slips and seal will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2802515