Flex joint incorporating enclosed conductors

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 s...

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Bibliographische Detailangaben
Hauptverfasser:	TOMEK, MARTIN L
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	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.