PIPE SYSTEM AND METHOD FOR ITS MANUFACTURE

A pipe system for transport of corrosive fluids, such as crude oil or natural gas, comprises a corrosion-prone tubular member 1 which is coated with an inner corrosion-resistant lining 3. The tubular member 1 and inner lining 3 provide a flat end in a plane 10, 11 orthogonal to a longitudinal axis 1...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	COLE, ANTHONY, THOMAS
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 pipe system for transport of corrosive fluids, such as crude oil or natural gas, comprises a corrosion-prone tubular member 1 which is coated with an inner corrosion-resistant lining 3. The tubular member 1 and inner lining 3 provide a flat end in a plane 10, 11 orthogonal to a longitudinal axis 12 of the tubular member 1, which flat end is connected to a flat end of a threaded tubular coupling member 4 having a corrosion-resistant inner surface and screw thread 5. The corrosion-prone tubular member 1 coated with the corrosion-resistant lining 3 may be manufactured in long lengths and cut into a desired lengths whereupon each coupling member 4 may be welded to the flat end of said tubular member 1 and lining 3 in a single butt welding operation. La présente invention a trait à un système de canalisation pour le transport de fluides corrosifs, tels que le pétrole brut ou le gaz naturel, comportant un organe tubulaire susceptible à la corrosion (1) revêtu d'une doublure interne résistante à la corrosion (3). L'organe tubulaire (1) et la doublure interne (3) présente une extrémité plate dans un plan (10, 11) orthogonal à l'axe longitudinal (12) de l'organe tubulaire (1), laquelle extrémité plate est reliée à une extrémité plate d'un organe de couplage tubulaire fileté (4) comprenant une surface interne résistante à la corrosion et un filet de vis (5). L'organe tubulaire susceptible à la corrosion (1) revêtu d'une doublure résistance à la corrosion (3) peut être fabriqué en grandes longueurs et découpé en longueurs souhaitées permettant le soudage de chaque organe de couplage (4) à l'extrémité plate dudit organe tubulaire (1) et de la doublure (3) en une seule opération de soudage en bout.