Means for tensioning tubing in a wellhead assembly

Details Means for tensioning tubing in a wellhead assembly Means for tensioning tubing in a wellhead assembly

E - Fixed Constructions

21

B

166/49

E21B 33/03 (2006.01) E21B 33/04 (2006.01)

Patent

CA 1134742

-9- MEANS FOR TENSIONING TUBING IN A WELLHEAD ASSEMBLY Joe G. Chambless Shreveport, Louisiana Paul E. McGlasson Shreveport, Louisiana Abstract of the Disclosure A tubing string (85) is connected at its upper end to a hanger (42) and has its lower end anchored within an outer casing. The hanger and tubing string are lifted from a position below the wellhead assembly to tension the tubing string a desired amount. The hanger has a plurality of guide pins (90) extending from and spaced about the outer periphery of the hanger, Upon lifting of the hanger and suspended tubing string, the guide pins enter invertedJ-slots (620 in the hanger bowl (30) which receive and guide the pins to a seated position on the bowl.

352930

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