Assembly for reducing the force applied to a slot and lug guide

Details Assembly for reducing the force applied to a slot and lug guide Assembly for reducing the force applied to a slot and lug guide

1985-11-12

1987-03-17

Novosad, Stephen J.

Wells

Processes

Operating valve, closure, or changeable restrictor in a well

166240, 166321, E21B 3410

Patent

active

046500014

ABSTRACT:
Assembly for reducing the force applied to a guide lug received in a slot. An outer telescoping member includes a guide lug extending from the radially inner surface thereof which is received in a groove formed on the radially outer surface of an inner tubular member with the lug and groove controlling relative axial movement between the inner and outer tubular members. The inner tubular member includes a load lug on the radially outer surface thereof for abutting against an annular shoulder disposed about the radially inner circumference of the outer tubular member to prevent the guide lug from exerting significant axial forces on the groove.

REFERENCES:
patent: 3082831 (1963-03-01), Le Bus, Sr.
patent: 3823773 (1974-07-01), Nutter
patent: 3986554 (1976-10-01), Nutter
patent: 4105075 (1978-08-01), Helmus
patent: 4295361 (1981-10-01), McMahan
patent: 4355685 (1982-10-01), Beck
patent: 4403654 (1983-09-01), Haynes
patent: 4403659 (1983-09-01), Upchurch
patent: 4545431 (1985-10-01), Fore

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