Snubbing Case History #43

Snubbing Case History #43

Snubbing Case History #43 Objective: Remove drill string. Install multi-zone production string. Well Information: 18 mPa sweet well, Multiple zones. Depth: 3400 Procedure: Strip on snubbing unit. Install tubing hanger. Land string and pressure test. Pull hanger, 350...
Snubbing Case History #43

Snubbing Case History #42

Snubbing Case History #42 Objective: Rig up Snubbing unit. Drill out surface plug. Well Information: Surface plug set in 114.3mm casing at surface. Unknown pressure below. Procedure: Rig up Snubbing unit. Pressure test flanges. Lower BHA (Bit, motor, float sub) plus...
Snubbing Case History #43

Snubbing Case History #41

Snubbing Case History #41 Objective: Recover sanded in 60.3mm completion string Well Information: 9mPa sweet well 2300 meters deep. Procedure: A 60.3mm tubing string had become stuck in sand. Coil tubing was brought in the clean out sand but operation was...
Snubbing Case History #43

Snubbing Case History #40

Snubbing Case History #40 Objective: POOH frac string and run production system. Well Information: 12mPa gas well, 2600m deep. No tubing hanger landed, strip on snubbing unit. Procedure: Strip on riser spool and snubbing unit. Strip out safety valve and strip in...
Snubbing Case History #43

Snubbing Case History #39

Snubbing Case History #39 Objective: Change out BHA. Well Information: 16Mpa gas well, 2,900m deep. Procedure: Rig up and pressure test snubbing unit. Release packer, strip out tubing hanger, and POOH tubing and BHA. Strip in new BHA and production tubing. Strip in...