Unitary diversionary-tubing hanger and energizable rod seal

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 33/04 (2006.01) E21B 33/047 (2006.01) E21B 33/08 (2006.01) F16J 15/18 (2006.01) F16J 15/40 (2006.01)

Patent

CA 2210698

A unitary diversionary-tubing hanger (30), or UDTH, for attachment to a wellhead (47) that functions as a tubing hanger, a diverter of flow from the vertical to the horizontal or vice versa, and a securing device (38) for a removable vertical seal plug (40) and a recoverable emergency energizable vertical rod seal (130). The UDTH (30) simplifies wellhead completion by eliminating all valves in the vertical string. The UDTH (30) can also pass through a blowout protector attached to a wellhead (47). A recoverable energizable vertical rod seal (130), installable in the vertical passageway (55) of the UDTH (30), provides an emergency pump rod seal (130) in a wellhead (47) completed for rod pumping, both reciprocating and rotating.

L'invention concerne une olive de suspension unitaire (30) de déviation pour colonne de production, qui se fixe sur une tête de puits (47), un déflecteur d'écoulement de la verticale à l'horizontale ou vice-versa, un dispotitif de fixation (38) destiné à un bouchon d'étanchéité vertical amovible (40), et un joint de tige vertical (130) de secours activable et récupérable. L'olive de suspension (30) pour colonne de production simplifie l'achèvement de la tête de puits en éliminant la présence de toutes les vannes sur la colonne de forage verticale, et elle (30) peut aussi traverser un bloc d'obturation qui est fixé à une tête de puits (47). Un joint de tige vertical (130) activable et récupérable, que l'on peut monter dans le passage vertical (55) de cette olive de suspension (30), constitue un joint de tige de secours (130) destiné aux pompes dans une tête de puits (47) achevée et conçue pour le pompage de fond, et il peut à la fois aller et venir et tourner.

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