Snubbing Case History #48

Objective: Utilize rig assist snubbing unit to drill out multiple bridge plugs on high pressure gas wells

Well Information: Surface pressures up to 60mPa.

Procedure: Pre job meeting was held and job parameters were discussed with customer. Tubing string with drilling BHA were run into dead well. BOP configuration was discussed and designed around well parameters. Rig assist snubbing unit was rigged up utilizing a 70mPa stripping stack. Multi bridge plugs drilled out, tubing raised to required depth, tubing hanger landed and snubbing unit rigged out and drilling BHA separated from production string and dropped into cellar.

Time on location: 3 days – 1 partial day to rig up, 1 day to drill out and 1 partial day to rig out.