E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/12 (2006.01) E21B 33/068 (2006.01) E21B 33/076 (2006.01) E21B 34/04 (2006.01) E21B 34/06 (2006.01) E21B 34/08 (2006.01)
Patent
CA 2742577
Method to modify an existing subsea arranged oil production well having installed a hydraulically operated downhole valve, characterized in using coiled tubing technology to: arrange an electrically operated downhole pump in the production tubing, lock the hydraulically operated downhole valve in an open position by placing a sleeve body in the open positioned valve, arrange an electrically operated downhole valve above the downhole pump. A modified oil production well.
Linvention divulgue un procédé de modification dun puits de production de pétrole sous-marin existant, comprenant une soupape dextraction à commande hydraulique installée, caractérisé en ce quil utilise une technologie de colonne de production hélicoïdale pour : agencer une pompe dextraction à commande électrique dans la colonne de production, verrouiller la soupape dextraction à commande hydraulique dans une position ouverte en plaçant un corps de manchon dans la soupape en position ouverte, et agencer une soupape dextraction à commande électrique au-dessus de la pompe dextraction. On obtient ainsi un puits de production de pétrole modifié.
Marks & Clerk
Statoil Petroleum As
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