Freeze and Hot Tap Case History #3

Objective: Freeze wellhead to remove plunger lift equipment stuck across master valves.

Well Information: 8MPa sweet gas well with high LPG production with plunger lift mandrel stuck in top section.

Procedure: Remove piping downstream from wing valve. Install pumping equipment and pressure test. Inject gel into wellhead freeze gel and mandrel in top section. Pressure test plug, remove cap, and install wireline lubricator with line attached to mandrill. Pressure test lubricator, bleed down to well pressure and thaw plug. Retrieve mandrel.

Time on location: 17 hours