by snubcodev | Aug 20, 2019
Freeze and Hot Tap Case History #24 Objective: Freeze casing to install primary seal on intermediate casing. Well Information: 51 mPa Bottom hole pressure. Failed cement job was allowing pressure to surface on intermediate casing side where there was no primary seal...
by snubcodev | Aug 20, 2019
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...
by snubcodev | Aug 20, 2019
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…...
by snubcodev | Aug 20, 2019
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...
by snubcodev | Aug 20, 2019
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...
