Patent ID: 9677369
Date: 2017-06-13
CPC Classifications: E21B

Claim:
1. A system comprising: a wellhead assembly spool attached to a well; and a cartridge having a body for installation within the wellhead assembly spool, the cartridge including slips and a setting ring that are disposed within a bore of the body, wherein the slips and the setting ring are retained within the bore of the body and are axially movable within the body such that, when installed within the wellhead assembly spool, the slips are retained in a retracted position when the setting ring is in a first axial position within the body and the slips contract inwardly when the setting ring is moved to a second axial position; wherein the wellhead assembly spool includes at least one set pin extending into a bore of the wellhead assembly spool so as to retain the setting ring in the first axial position and the slips in the retracted position when the cartridge is installed in the wellhead assembly spool.