Freeze and Hot Tap Case History #23

Freeze and Hot Tap Case History #23

Freeze and Hot Tap Case History #23 Objective: Hot tap 114.0mm gate valve. Well Information: 3500 Kpa sweet gas well Procedure: Assemble hot tap drill with ¾” bit and centralizer. Fill wellhead with oil and tie on hot tap drill. Pressure test to 5500Kpa then bleed off...
Freeze and Hot Tap Case History #23

Freeze and Hot Tap Case History #22

Freeze and Hot Tap Case History #22 Objective: Freeze casing to replace full opening 7” orbit valve Well Information: While functioning gate valve the stem had been twisted off with the valve half closed. Well was secured with blind rams on the 70mPa BOP stack…...
Freeze and Hot Tap Case History #21

Freeze and Hot Tap Case History #21

Freeze and Hot Tap Case History #21 Objective: Re abandonment Well Information: Well was previously abandoned but the bank where the well was located had eroded away leaving 8 meters of abandoned casing exposed in an environmentally sensitive area. Procedure: Well was...
Freeze and Hot Tap Case History #23

Freeze and Hot Tap Case History #20

Freeze and Hot Tap Case History #20 Objective: Hot tap 2 7/8” gate valve to gain access to tubing in order to freeze and remove damaged gate valve. Well Information: 32 Mpa water injections well Procedure: Confirm damaged valve is holding, remove all wellhead...
Freeze and Hot Tap Case History #23

Freeze and Hot Tap Case History #19

Freeze and Hot Tap Case History #19 Objective: Hot tap Lower Master Valve To provide access to Tubing in order to freeze well and replace faulty valve. Well Information:Sweet Gas Well Drilled in 1993. CSG is full of inhibited fluid with packer set 2334 meters from...