Freeze and Hot Tap Case History #11
Objective: Re-enter access to abandon wells’ wellbore.
Well Information: Well was abandon to Alberta E.U.B. standards. Re-entry is required.
Procedure: Well located, uncovered to visual with hydro-vac, and then excavated with backhoe. Hot-tap equipment installed on surface casing, pressure tested and 19mm hole drilled into casing. Check for pressure or hydrocarbons. Bleed off and fill with water. Cut off surface casing to gain access to production casing. Install hot-tap equipment, pressure test and drill 19mm hole in casing. Check for pressure or hydrocarbons. Bleed off and fill with water to produce a safe situation for customer to cut off cap and install appropriate risers and wellhead equipment for re-entry.
Time on location: 4.5 hours