THREADED JOINT FOR OIL WELL PIPE

PROBLEM TO BE SOLVED: To provide extremely excellent jump-out resistance performance and sealing performance by setting the load flank angle of the trapezoidal thread of a threaded joint for an oil well pipe so as to satisfy a specific condition, and forming both side slopes of a thread into a conta...

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Bibliographische Detailangaben
Hauptverfasser:	SUZUKI TERUAKI, NISHI MASATSUGU
Format:	Patent
Sprache:	eng
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:	PROBLEM TO BE SOLVED: To provide extremely excellent jump-out resistance performance and sealing performance by setting the load flank angle of the trapezoidal thread of a threaded joint for an oil well pipe so as to satisfy a specific condition, and forming both side slopes of a thread into a contacted shape at engaging with prescribed interference. SOLUTION: The trapezoidal thread of a threaded joint is formed so that the load flank angle θ1 satisfies the condition of -3 deg.