PARTIAL COIL-IN-COIL TUBING

A dual tubing coiled tubing string, including methods of assembly, that includes an inner tubing (IT) sealed by a seal (SL) within at least an upper portion of an outer tubing (OT).

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Bibliographische Detailangaben
Hauptverfasser:	ALTMAN, RICHARD A, MISSELBROOK, JOHN G, CRABTREE, ALEXANDER R, GAVIN, WILLIAM G
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 dual tubing coiled tubing string, including methods of assembly, that includes an inner tubing (IT) sealed by a seal (SL) within at least an upper portion of an outer tubing (OT).