System and plug for plugging a conduit

Details System and plug for plugging a conduit System and plug for plugging a conduit

E - Fixed Constructions

21

B

166/63

E21B 33/12 (2006.01) E21B 23/02 (2006.01)

Patent

CA 2018909

SYSTEM AND PLUG FOR PLUGGING A CONDUIT ABSTRACT The invention concerns a system and a plug for plugging a well conduit. The plug includes a lock mandrel and a valve. There is a prong releasably connected in the plug. A running tool is adapted to releasably connect to the plug lock mandrel and prong. After the plug is lowered into a well conduit and installed in a landing nipple, upward releasing force on the running tool moves the prong upwardly closing the valve and plug to flow and the prong locks in valve closed position. Later, the prong may be disconnected and raised from the plug to surface, permitting pressure outside and inside the plug to equalize for retrieval of the plug.

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