by snubcodev | Sep 2, 2019
Freeze and Hot Tap Case History #29 Objective: Replace master valve on well. No vehicle access. Well Information: 18mPa surface pressure with 2% H2S content. Procedure: All personnel and equipment were flown into location from staging area. Portable lubricators filled...
by snubcodev | Sep 2, 2019
Freeze and Hot Tap Case History #28 Objective: Mill out gate to 3 1/8 diameter on top master valve that is seized closed and freewheeling to accommodate wireline tools and installation of back pressure valve in tubing hanger. Bottom master Valve previously milled out....
by snubcodev | Sep 2, 2019
Freeze and Hot Tap Case History #27 Objective: Hot tap and mill out a damaged gate valve 90% closed and freewheeling. Well Information: 4,200kpa sweet gas well on an offshore platform with damaged gate valve not allowing access into tubing. Top gate valve functioning....
by snubcodev | Sep 2, 2019
Freeze and Hot Tap Case History #26 Objective: Hot tap and Freeze tubing to replace damaged master valve to gain entrance into tubing. Well Information: 12.4MPa sour gas well shut in for several years, master valve seized. Procedure: Heat wellhead, expose surface...
by snubcodev | Aug 20, 2019
Freeze and Hot Tap Case History #25 Objective: Freeze well to install another 7 1/16” gate valve. Well Information: 30 mPa BHP. Wire line tools were hydrated in the hole approximately 150 meters down and braided line was across existing gate valve. Wireline lubricator...
