E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/127 (2006.01) E21B 23/06 (2006.01) E21B 33/134 (2006.01)
Patent
CA 2407436
The invention relates to a packer (7) to be included in a production tubing (4) in a well bore (1). The packer (7) comprises an expandable bag (11) located on the outside (56) of a packer body (9), the bag (11) having an outwardly facing semi-permeable wall (12) made from fabric. When setting the packer, a liquid curable resin is injected into the bag (11), which causes an expansion of the bag (11). The resin partly penetrates the outwardly facing fabric wall (12) and seals against the well bore wall (10), and after curing forms a packer seal (58). The invention also relates to a setting tool for setting the packer (7) in the well bore (1) and a method for setting a packer (7) in a well bore (1).
La présente invention concerne un packer (7) destiné à être placé dans un tubage de production (4) dans un trou de forage (1). Le packer (7) comprend un sac extensible (11) placé à l'extérieur (56) d'un corps de packer (9), le sac (11) comprenant une paroi (12) semi-perméable en toile tournée vers l'extérieur. Lors du montage du packer, on injecte une résine liquide durcissable dans le sac (11), ce qui entraîne l'extension du sac (11). La résine pénètre en partie dans la paroi en toile tournée vers l'extérieur (12), vient se coller contre la paroi du trou de forage (10) et, après avoir durci, forme un joint d'étanchéité (58) de packer. L'invention se rapporte également à un outil de montage permettant de monter le packer (7) dans le trou de forage (1) et à un procédé de montage permettant de monter un packer (7) dans un trou de forage (1).
Robic
Triangle Equipment As
LandOfFree
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