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Used as a plug to hold pressure from the bottom only.
The C Equalizing Assembly consists of five components:
2. Bean Spring
4. Valve Spring
Attach to the bottom of desired lock and lower into wellbore to desire depth.
Set lock mandrel and remove toolstring from wellbore, bleed wellbore off to check integrity of plug.
Install proper length probe into the appropriate pulling tool and lower into wellbore, rest toolstring weight on valve to allow pressure to equalize, jar up / down as required to unset lock mandrel and remove from wellbore.