OIL WELL STEEL PIPE WITH THREADED CONNECTION, METHOD FOR PRODUCING OIL WELL STEEL PIPES CONNECTED BODY USING OIL WELL STEEL PIPE WITH THREADED CONNECTION, AND METHOD FOR PRODUCING OIL WELL STEEL PIPE WITH THREADED CONNECTIO

This invention provides an oil well steel pipe with a threaded connection with which excellent galling resistance is obtained without using a compound grease, and which can suppress the occurrence of rust on a pin contact surface and can also keep shouldering torque at a low level. An oil well steel...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	NAKAI, YUYA, KURANISHI, TAKAO, MITSUNARI, HIDEKI, NAKAMURA, KEIICHI, BENIYA, YUKI
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS 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 PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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