Snubbing Case History #21
Objective: Change out 73mm tubing to 60.3mm for better fluid lift.
Well Information: 9 Mpa gas well, 2360m deep. Packer fluid in annulus.
Procedure: Rig up snubbing unit and pressure test. Come off packer, pull out tubing hanger, and roll well over to N2, latch onto packer and release. POOH tubing and BHA. Change over handling equipment to 60.3mm. Strip in BHA and tubing. Land tubing and rig out snubbing unit.
Time on location: 28 hours over 3 days