Patent ID: 8997872
Filing Date: 2015-04-07
Classification: E21B

Abstract:
1. A system for capping and closing a well, the system comprising: a wellhead; a production tubing extending through said wellhead; a tubing spool mounted on said wellhead, said tubing spool having a tubing hanger therein, said production tubing supported by said tubing hanger, said tubing spool having a mandrel extending upwardly therefrom; a capping body having a single interior passageway which opens at a lower end and at an upper end of said capping body, said capping body having a connector at a bottom thereof, said connector affixed to said mandrel of said tubing spool so as to align said interior passageway of said capping body with said production tubing, said capping body having a mandrel extending upwardly therefrom, said interior passageway of said capping body extending through said connector and through said mandrel of said capping body, said capping body extending in end-to-end relationship with said tubing spool; at least one valve affixed to said capping body and located within said interior passageway of said capping body and cooperative with said interior passageway thereof, said valve movable between a first position closing said interior passageway and a second position opening said interior passageway; and a plug positioned in said tubing spool so as to seal said production tubing, said interior passageway of said capping body having a diameter greater than a diameter of said plug so as to allow said plug to be removed by being pulled upwardly through said interior passageway when the valve is in the second position.