by snubcodev | Sep 11, 2019
Snubbing Case History #33 Objective: Pull production tubing, perforate new zone and re-install w/ packer. Well Information: 6 Mpa gas well, 900m deep. Procedure: Rig up snubbing unit and pressure test. Strip out tubing hanger and tubing. Rig out snubbing unit to...
by snubcodev | Sep 11, 2019
Snubbing Case History #32 Objective: Fish lost perforating gun and run production tubing. Well Information: 3,500 Kpa gas well, 500m deep. Perforating gun stuck in tubing spool. Procedure: Rig up and pressure test spools and snubbing unit. Run fishing tools latch onto...
by snubcodev | Sep 11, 2019
Snubbing Case History #31 Objective: Install packer between two zones. Well Information: 4,000 Kpa gas well, 550m deep, 3 zones, and required segregation between upper zones. Procedure: Rig up snubbing unit and pressure test. Un-seat seal assembly, strip out tubing...
by snubcodev | Sep 11, 2019
Snubbing Case History #30 Objective: Recover lost perforating gun and wire, install completion assembly. Well Information: 8.6 Mpa gas well, 1,300m deep. Packer set segregating lower zone with 2m sand on it. Perforated upper zone, lost gun and 600m wire. Workover rig...
by snubcodev | Sep 11, 2019
Snubbing Case History #29 Objective: To mill out sulfur plugs out of 88.9 production tubing Well Information: 21% sour gas well, 3,800m deep, 47MPa. Solid sulfur precipitated out during production resulted in the tubing being plugged at about 1,700m. Procedure: A...
