Automatic tubing filler

Details Automatic tubing filler Automatic tubing filler

E - Fixed Constructions

21

B

E21B 21/10 (2006.01) E21B 34/10 (2006.01)

Patent

CA 2445870

Methods and apparatus for filling a tubing string as it is lowered into a subterranean hydrocarbon well are described. An apparatus to fill a tubular with fluid in a wellbore comprises a housing (14, 42) defining a central bore (40). An aperture (46) formed in the housing provides fluid communication between the central bore and the ambient environment of the tubing string. A piston valve (48) slidingly disposed in the housing is selectively pressure actuatable relative to the housing to control fluid communication between the central bore and the ambient environment.

La présente invention concerne un procédé et un dispositif de remplissage d'un tube de production pendant sa descente dans un puits d'hydrocarbures sous terre. En l'occurrence, l'appareil utilisé pour remplir de fluide un tube dans un puits foré comprend un carter (14, 42) définissant un forage central (40). Une ouverture (46) ménagée dans le carter permet la communication fluidique entre le forage central et l'environnement ambiant du tube de production. Un robinet à piston (48) monté coulissant dans le carter peut être sélectivement actionné par la pression par rapport au carter de façon à réguler la communication fluidique entre le forage central et l'environnement ambiant.

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