Wells – With below and above ground modification – Head for tool – piston or cleaner
Patent
1983-09-06
1984-12-25
Leppink, James A.
Wells
With below and above ground modification
Head for tool, piston or cleaner
166 85, 137875, E21B 2300
Patent
active
044897804
ABSTRACT:
A wellhead lubricator comprising a housing arranged for vertically extending attachment to a wellhead assembly and having a wireline for supporting a wireline tool therein and passing the wireline tool in and out of the well to the point of attachment to the wellhead; a laterally extending portion of the housing forming a part of the chamber of the housing; a longitudinally extending portion extending from the laterally extending portion and having an opening for passage of a wireline tool therethrough while the housing remains attached to the wellhead; a cap for closing the tool opening; a guide supported in the housing and shiftable between a first position for guiding the wireline tool in and out of the well through the point of attachment to the wellhead and a second position for guiding the wireline tool to the longitudinally extending portion; a spring-actuated valve member for urging the guide to the second position for guiding the wireline tool to the longitudinally extending portion; and a fluid-actuated valve member for urging the guide to the first position for guiding the wireline tool in and out of said well at the point of attachment to the wellhead.
REFERENCES:
patent: 3472317 (1969-10-01), Fowler
patent: 3773062 (1973-11-01), McIver
patent: 3924686 (1975-12-01), Arnold
patent: 4252149 (1981-02-01), Dollison
Bui Thuy M.
Leppink James A.
LandOfFree
Wellhead lubricator does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Wellhead lubricator, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Wellhead lubricator will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1148414