SACRIFICIAL PROTECTOR SLEEVE

A method of protecting a nipple profile of a downhole tool that forms a portion of a tubing string and that is exposed to through-tubing completion operations includes securing a single-trip protective sleeve to the tool so that the sleeve covers the nipple profile of the tool during the completion...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	SIM, Nicholas Kok Jun
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 method of protecting a nipple profile of a downhole tool that forms a portion of a tubing string and that is exposed to through-tubing completion operations includes securing a single-trip protective sleeve to the tool so that the sleeve covers the nipple profile of the tool during the completion operations and dissolving the single-trip protective sleeve so that it breaks away from the nipple profile to expose the nipple profile for use. L'invention concerne un procédé de protection d'un profil de mamelon d'un outil de fond de trou qui forme une partie d'une colonne de tubage et qui est exposé à des opérations de réalisation de tubage traversant, qui consiste à fixer un manchon de protection à manœuvre unique à l'outil de telle sorte que le manchon recouvre le profil de mamelon de l'outil pendant les opérations de réalisation, et dissoudre le manchon de protection à manœuvre unique de telle sorte qu'il se détache du profil de mamelon pour exposer le profil de mamelon à utiliser.