Wells – With below and above ground modification – Head for tool – piston or cleaner
Patent
1987-01-12
1988-11-08
Dang, Hoang C.
Wells
With below and above ground modification
Head for tool, piston or cleaner
116298, 166113, E21B 3316
Patent
active
047828943
ABSTRACT:
A cementing plug container and remote control system for enclosing and injecting cementing plugs into the casing and/or drill pipe of an oil or gas well, which includes a shaped housing containing one or more plugs and a plug release mechanism such as an air or hydraulic cylinder for each plug, by operation of appropriate valves located on a control panel remotely located from the cementing plug container. Passage of the plug or plugs from the upper segment of the housing and through the housing assembly bore is registered by a plug pass indicator.
A method for injecting cementing plugs into casing and/or drill pipe in an oil or gas well by remote control using a cementing plug container having a removable dome, at least one remotely controlled plug release mechanism, and a plug pass indicator mechanism.
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patent: 2620037 (1952-12-01), McClendon
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patent: 3392581 (1946-01-01), De Juhasz
patent: 3631476 (1971-12-01), Schaffer
patent: 4046350 (1977-09-01), Massey et al.
patent: 4427065 (1984-01-01), Watson
Dang Hoang C.
Harrison John M.
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