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Publication date
Application filed by Борис Александрович ЧерновfiledCriticalБорис Александрович Чернов
Priority to UAU201009211UpriorityCriticalpatent/UA57111U/en
Publication of UA57111UpublicationCriticalpatent/UA57111U/en
Non-Disconnectible Joints And Screw-Threaded Joints
(AREA)
Joints With Pressure Members
(AREA)
Earth Drilling
(AREA)
Abstract
A threaded joint of casing and tubing includes muff with inner threading, ends of tubes with threading that corresponds to threading of the muffs and conical surfaces on inner surface of tubes from end, and tightening element arranged with possibility of interaction with its conical surfaces with respective conical inner surfaces of tubes. On the outer and inner surfaces of cylindrical section of tightening element circular grooves are provided.
UAU201009211U2010-07-222010-07-22Threaded joint of casing and tubing
UA57111U
(en)