Well plugging apparatus and method

Details Well plugging apparatus and method Well plugging apparatus and method

E - Fixed Constructions

21

B

E21B 35/00 (2006.01) E21B 29/00 (2006.01) E21B 29/08 (2006.01) E21B 33/02 (2006.01) E21B 33/127 (2006.01) E21B 33/129 (2006.01) E21B 33/1295 (2006.01) E21B 34/06 (2006.01) E21B 43/00 (2006.01) E21B 34/00 (2006.01)

Patent

CA 2160676

An apparatus for plugging a burning or gushing well comprises a hollow tubular plug body (20) sized for insertion into a well casing (112). Provided on the plug body are a retainer module (54) for retaining the plug within the well casing, a sealing sleeve (46) provided for forming a seal between the plug body and the well casing; and a valve assembly (50) for selectively closing a hollow internal passageway of the tubular plug body. The plug body is loaded on a gantry assembly (21), which in turn is carried by a shielded vehicle (24). At the base of the gantry assembly are provided an alignment assembly (37) for aid in approach to the well casing and a cutter assembly (40) for sawing off inordinately protruding casings. In one embodiment, a protective break-away shell (118) circumferentially surrounds at least a portion of the plug body.

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