SCREW JOINT-EQUIPPED OIL WELL PIPE, METHOD FOR PRODUCING OIL WELL PIPE CONNECTING BODY WHICH USES SCREW JOINT-EQUIPPED OIL WELL PIPE, AND METHOD FOR PRODUCING SCREW JOINT-EQUIPPED OIL WELL PIPE

Provided is a screw joint-equipped oil well pipe which is capable of suppressing shouldering torque, minimizing rusting on the pin contact surface, and attaining excellent seizure resistance without using compound grease. A screw joint-equipped oil well pipe according to the present disclosure is eq...

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Bibliographische Detailangaben
Hauptverfasser:	NAKAMURA, Keiichi, BENIYA, Yuki, MITSUNARI, Hideki, NAKAI, Yuya, KURANISHI, Takao
Format:	Patent
Sprache:	eng
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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Beschreibung
Zusammenfassung:	Provided is a screw joint-equipped oil well pipe which is capable of suppressing shouldering torque, minimizing rusting on the pin contact surface, and attaining excellent seizure resistance without using compound grease. A screw joint-equipped oil well pipe according to the present disclosure is equipped with a pipe main body (10) which includes a first end section (10A) and a second end section (10B). The pipe main body (10) includes a pin (40) formed at the first end section (10A) and a box (50) formed at the second end section (10B). The pin contact surface (400) of the pin (40) is coated with light oil (80). The box contact surface (500) of the box (50) has a solid lubrication film (60) formed thereon.