by snubcodev | Aug 6, 2019
Freeze and Hot Tap Case History #8 Objective: 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...
by snubcodev | Aug 6, 2019
Freeze and Hot Tap Case History #7 Objective: Freeze wellhead to replace malfunctioning top section valve. Well Information: 5,000kPa sweet gas well with malfunctioning master valve. Procedure: Install cribbing and dry ice. Install pumping equipment and pressure test....
by snubcodev | Aug 6, 2019
Freeze and Hot Tap Case History #6 Objective: Hot tap damaged gate valve using 2 ½ “hole saw to enable slick line to set a plug in profile and change out gate valve. Well Information:8600Kpa sweet gas well with a depth of 1500m. Procedure: Check for pressure, remove...
by snubcodev | Aug 6, 2019
Freeze and Hot Tap Case History #5 Objective: Freeze casing to replace damaged casing below orbit valve. Well Information: Low pressure (2,000kPa) sweet gas well; 114mm mono-bore completion with the pipe below the bell nipple bent. Procedure: Fill surface casing will...
by snubcodev | Aug 6, 2019
Freeze and Hot Tap Case History #4 Objective: Freeze tubing to remove joint with plug. Well Information: Tubing bridge plug set prematurely in tubing while being run for snubbing operations. 89 mm tubing, 18Mpa sweet gas well with high LPG production. Procedure: Pull...
