THREADED TUBULAR CONNECTION FOR CASING

Threaded tubular connection (10) comprising a box member (20) comprising a female external thread (26), a female internal thread (29) and a female intermediate sealing surface (27) between the female external thread and the female internal thread, and pin member (30) comprising corresponding male ex...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FOULOGNE, Anthony, MARTIN, Pierre
Format:	Patent
Sprache:	eng ; fre ; ger
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:	Threaded tubular connection (10) comprising a box member (20) comprising a female external thread (26), a female internal thread (29) and a female intermediate sealing surface (27) between the female external thread and the female internal thread, and pin member (30) comprising corresponding male external thread (36), male internal thread (39) and a male intermediate sealing surface (37), such that male threads interlock by thread engagement with female threads, and intermediate sealing surfaces (27, 37) are forming an intermediate metal-to-metal seal when the threaded tubular connection is made up, wherein the box member (20) comprises a minimal outer diameter (JOBmin) at the intermediate metal-to-metal seal location, the minimal outer diameter (JOBmin) being smaller than respectively an external and an internal outer diameter (JOBe; JOBi) respectively being located above the female external thread and the female internal thread.