Flex joint incorporating enclosed conductors

Details Flex joint incorporating enclosed conductors Flex joint incorporating enclosed conductors

1988-09-16

1989-06-27

Novosad, Stephen J.

Wells

With electrical means

166242, 174 86, 285166, 285264, E21B 17046, F16L 2704

Patent

active

048420590

ABSTRACT:
A flex joint for an elongate oil tool which permits flexure and bending while yet protecting electrical conductors is disclosed. The duplicated flex joint incorporates a hollow knuckle having a passage therethrough received in a mating and confining socket terminating in a passage. The knuckle and socket form a flex joint. The flex joint is pinned so that rotation in a conic angle is permitted while rotation of the two components relative to one another is forbidden. The passage is periodically closed by means of a transverse plug, an electrical feedthrough permitting electrical conductors to extend through said plug. The passage is further protected from the intrusion of fluids from the well borehole by means of a spring loaded piston compensating pressurized sealed oil system which operates in an annular space on the exterior of the passage.

REFERENCES:
patent: 1665810 (1928-04-01), Gillick
patent: 1927703 (1933-09-01), Glowacki
patent: 2147491 (1939-02-01), Le Bus
patent: 2890067 (1959-06-01), Morin
patent: 3216751 (1965-11-01), Der Mott
patent: 4425965 (1984-01-01), Bayh, III et al.
patent: 4753291 (1988-06-01), Smith et al.

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