Hydraulically set liner hanger and running tool with backup mech

Details Hydraulically set liner hanger and running tool with backup mech Hydraulically set liner hanger and running tool with backup mech

1977-08-22

1978-06-27

Leppink, James A.

Wells

Processes

Cementing, plugging or consolidating

166120, 166208, 166315, E21B 4310, E21B 2300

Patent

active

040969134

ABSTRACT:
Apparatus is provided for running, setting and anchoring a liner in a well bore casing, comprising inner and outer bodies with expander and gripping means carried on the bodies to provide means for gripping engagement with casing. A running tool is secured to the bodies and defines drag means thereon to resist longitudinal travel while the apparatus is being mechanically set. A piston element is carried on the running tool and is responsive to fluid pressure entrappable in a piston pressure chamber to hydraulically set the hanger. Mechanical setting means are provided and may be activated to set the hanger upon failure of the hydraulic activation means.

REFERENCES:
patent: 2318167 (1943-05-01), Knowlton
patent: 3223170 (1965-12-01), Mott
patent: 3291220 (1966-12-01), Mott
patent: 3608634 (1971-09-01), Cochran
patent: 3934652 (1976-01-01), Cochran
patent: 4060131 (1977-11-01), Kenneday et al.

Affiliated with

Also associated with

Rating

Hydraulically set liner hanger and running tool with backup mech does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Hydraulically set liner hanger and running tool with backup mech, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hydraulically set liner hanger and running tool with backup mech will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2300121