E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 21/00 (2006.01)
Patent
CA 2513926
Disclosed is a tool designed to be used in vertical, horizontal or deviated wells with the aim of maintaining the tubed pipe filled with the drilling fluid supplied by the well, and of circulating said fluid through the well-pipe space, facilitating the sliding of the tubing and producing the cementation of said space when the pipe has been installed; capable of being intercalated with the drilling equipment between the block and the hanging elevating means that takes the tubes that are gradually coupled to make up the casing pipe. The tool of the invention is placed between the amelas that extend from the rig support to the adjacencies of the pipe elevating device of the drilling equipment, comprising a support array, responsible for positioning said tool hanging from the rig hook and aligned between the amelas; a positioning dynamic array, responsible for producing vertical upward and downward movements, which generate the matings or decouplings of the tool on the tubed pipe, and a packaging array through which, during the matings, a hermetic blockage self-adjustable elastic seal is established during the passage of well fluid towards the inside of the tubing pipe.
Basso Antonio Carlos Cayetano
Smiths Ip
LandOfFree
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