Hydraulic timer for downhole tool

Details Hydraulic timer for downhole tool Hydraulic timer for downhole tool

1990-10-24

1992-04-14

Melius, Terry Lee

Wells

Processes

Sampling well fluid

166169, 166373, 175 59, E21B 4908

Patent

active

051039060

ABSTRACT:
A downhole tool apparatus includes an operating mechanism and a hydraulic timer. The hydraulic timer is operably associated with the operating mechanism for providing a time delay prior to operation of the operating mechanism. The hydraulic timer includes a fluid flow restriction and a spring biased piston which pushes a predetermined volume of hydraulic fluid through the fluid flow restriction.

REFERENCES:
patent: 2557925 (1951-06-01), Stokes
patent: 2862561 (1958-12-01), Teubner
patent: 3095930 (1963-07-01), Kisling, III
patent: 4372382 (1983-02-01), Rooney et al.
patent: 4502537 (1985-03-01), Carter, Jr.
patent: 4648470 (1987-03-01), Gambertoglio
patent: 4665983 (1987-05-01), Ringgenberg
patent: 4766955 (1988-08-01), Petermann
patent: 4787447 (1988-11-01), Christensen
patent: 4856585 (1989-08-01), White et al.
patent: 4903765 (1990-02-01), Zunkel

Affiliated with

Also associated with

Rating

Hydraulic timer for downhole 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 timer for downhole tool, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hydraulic timer for downhole tool will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2342911