Threaded pipe connection

Details Threaded pipe connection Threaded pipe connection

F - Mech Eng,Light,Heat,Weapons

16

L

285/63

F16L 55/00 (2006.01) F16L 15/04 (2006.01) F16L 15/06 (2006.01) E21B 17/042 (2006.01)

Patent

CA 1257629

An Improved Threaded Pipe Connection Abstract In the preferred embodiment, this invention provides a threaded pipe coupling for connection with a conventional threaded pipe end so as to effect improved sealing against internal fluid pressure and against external fluid pressure as may be required in an oil or gas well. The coupling form causes the thread contact pressure to be greater at the maximum and minimum thread contact diameters than exists at intermediate points along the length of thread contact. An auxillary plastic seal that will undergo thermal cycling is also provided.

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