Hot-tap tubing to ensure no pressure is present when breaking connections.
Well Information: 35MPa sour gas well. Rig pulling production tubing, annulus dead, but tubing plugged with sulfur precipitant.
Procedure: Pull to top of sulfur plug. Install safety valve, pull to next connection. Install saddle clamp and drill, pressure test, drill 12.5mm hole, check for pressure and presence on H2S. bleed off to testers as necessary. Process repeated 35 times until BHA out of hole.
Time on location: 21 hours