How to change casing seal in oil well

Both primary and secondary Casing seal was leaking too much. So, both seal was replaced with new one. Therefore, this presentation give depth understading on how to change the seals.

[@lillysadventure]

It's good video..It will be helpful if you share such videos

[@risadrampersad2420]

Thanks for sharing this video , really appreciate it...….

[@suribabudevireddy5069]

Amazing and very helpful

[@TechAdemy195]

sir secondary seal ka upper base plate use kyun nahi hua ????

[@ابوحسنالتميمي-ق4ق]

How it's size ring sel.?