Workover, Well Intervention and Well Stimulation
Image referred from Internet What is basic difference between Workover, Well intervention and Well stimulation ? Work over is operations of repair and maintenance of well which requires Work over rig or drilling rig or hydraulic work over units. So, it is term used to describe heavy well maintenance or repairing works. X mas tree is removed and BOP is installed for workover or well service processes. It is not performed on live wells.(well needs to be killed to perform work over operations) Work over operations : 1) Water shutt off 2) Gas shutt off 3) Servicing 4) Fishing 5) Recompeltion 4) Layer transfer 5) Profile modification in injection wells 6) Well deepening 7) Side tracking 8) Long drift side track (LDST) 9) Short drift side track (SDST) 10) Well abandonment and Plugging Well interventions is term, which is used to describe operations, which doesn't involve rig. So, it is Rigless operation. So, it is term used for, light duty works of well repair and maintenance. It is pe