Oilwell tubing connection

Details Oilwell tubing connection Oilwell tubing connection

F - Mech Eng,Light,Heat,Weapons

16

L

285/63

F16L 25/04 (2006.01) F16L 25/06 (2006.01)

Patent

CA 1281051

Abstract Or the invention A connection (20) for oilwell tubing and the like is disclosed which has the same outer diameter (21) as does the tubing joints (8 & 9) that it connects. Tubing joints are formed internally with a tapered thread (6 & 7) having a loadbearing flank angle (75° or more) that negates pullout tendency. A mating coupling (23 having external threads (3 & 4) may be provided with a bore 10 so as to clear a driftbar. Coupling (2) may be provided with bore (13) extending from (14 to 15) so as to develop substantially, a 100% joint strength.

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