专利名称:Well plugging apparatus and method发明人:BRUCE MATTHEWS申请号:AU6713294申请日:19940426公开号:AU6713294A公开日:19941121
摘要:An apparatus for plugging a burning or gushing well comprises a hollow tubularplug body (20) sized for insertion into a well casing (112). Provided on the plug body are aretainer module () 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 valveassembly (50) for selectively closing a hollow internal passageway of the tubular plugbody. The plug body is loaded on a gantry assembly (21), which in turn is carried by ashielded vehicle (24). At the base of the gantry assembly are provided an alignmentassembly (37) for aid in approach to the well casing and a cutter assembly (40) for sawingoff inordinately protruding casings. In one embodiment, a protective break-away shell(118) circumferentially surrounds at least a portion of the plug body.
申请人:BRUCE MATTHEWS
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