Wells – Processes – Placing or shifting well part
Patent
1991-01-14
1992-01-14
Dang, Hoang C.
Wells
Processes
Placing or shifting well part
166120, 166123, 166182, 166208, 166348, 166387, E21B 3304
Patent
active
050801740
ABSTRACT:
A hydraulic casing hanger and packoff installation tool includes a central tubular member with a drill pipe upper connection and an annular chamber at the lower end thereof with a pair of concentric axially movable pistons mounted therein. A plurality of fluid passages are positioned in the wall of the tubular member and extend from the piston annular chamber to the middle portion of the tubular member where it exits. The pistons have a lower tubular extension which carries releasable latching mechanism which connects the tool to the packoff to be installed and transmits the axial force of the pistons to the packoff. A drill pipe stinger extends through the annular chamber with a releasable latch mechanism mounted on an enlarged lower portion. The releasable latching mechanism connects the tool to the casing hanger for lowering the casing and hanger into the well bore.
REFERENCES:
patent: 3093996 (1963-06-01), Jones
patent: 3279539 (1966-10-01), Brown et al.
patent: 3357486 (1967-12-01), Brown
patent: 3543847 (1970-12-01), Haeber
patent: 3897823 (1975-08-01), Ahlstone
patent: 3924679 (1975-12-01), Jansen, Jr.
patent: 4003434 (1977-01-01), Garrett et al.
patent: 4019579 (1977-04-01), Thuse
patent: 4019580 (1977-04-01), Garrett
patent: 4067062 (1978-01-01), Baugh
patent: 4353420 (1982-10-01), Miller
patent: 4880061 (1989-11-01), Ahlstone
patent: 4969519 (1990-11-01), Kelly
Blish Nelson A.
Cooper Industries Inc.
Cox Hebert E.
Dang Hoang C.
Thiele Alan R.
LandOfFree
Hydraulic packoff and casing hanger installation tool does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Hydraulic packoff and casing hanger installation tool, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hydraulic packoff and casing hanger installation tool will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-534822