THREAD FORM FOR TUBULAR CONNECTIONS

A thread form is shown which is used to make a threaded pipe connection capable of being screwed together and subsequently unscrewed. A pin member is provided having external threads with stab flanks and load flanks and flat crests and roots for mating with the mating internal threads of a box membe...

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Bibliographische Detailangaben
1. Verfasser:	CHURCH, KRIS L
Format:	Patent
Sprache:	eng ; fre
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 thread form is shown which is used to make a threaded pipe connection capable of being screwed together and subsequently unscrewed. A pin member is provided having external threads with stab flanks and load flanks and flat crests and roots for mating with the mating internal threads of a box member to make up a pipe connection. One of the stab or load flanks is made up of two facets and three radii. The other selected flank is made up of three facets and four radii, giving it irregular features forming a complex geometric profiles. The thread form can be used to form a premium threaded connection which is used with such tubulars as casing and tubing for oil, gas, water and waste disposal wells. L'invention concerne un profilé de filetage qui est utilisé pour réaliser un raccord de tuyau fileté pouvant être vissé et dévissé ultérieurement. Un élément mâle est prévu, lequel a des filets externes avec des flancs de guidage et des flancs de charge ainsi que des sommets et fonds plats pour s'apparier avec les filets internes conjugués d'un élément femelle afin de constituer un raccord de tuyau. L'un des flancs de guidage ou de charge est constitué de deux facettes et de trois rayons. L'autre flanc choisi est constitué de trois facettes et de quatre rayons, lui donnant des caractéristiques irrégulières formant un profil géométrique complexe. Le profilé de filetage peut être utilisé pour former un raccord fileté de qualité qui est utilisé avec des matériels tubulaires tels qu'un cuvelage et un tubage pour des puits de refoulement de pétrole, de gaz, d'eau et de déchets.