Oil-Well Metal Pipe, and Method for Producing Oil-Well Metal Pipe

A metal pipe for an oil well according to the present disclosure can be fastened with a high torque even when the metal pipe has a large diameter. A metal pipe (1) for an oil well according to the present disclosure comprises a pipe main body (10) including a first end portion (10A) and a second end...

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Bibliographische Detailangaben
Hauptverfasser: TOMIYASU, Ken, MATSUMOTO, Keishi, ABE, Tomoka, OCHIAI, Mamoru
Format: Patent
Sprache:eng
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Zusammenfassung:A metal pipe for an oil well according to the present disclosure can be fastened with a high torque even when the metal pipe has a large diameter. A metal pipe (1) for an oil well according to the present disclosure comprises a pipe main body (10) including a first end portion (10A) and a second end portion (10B). The pipe main body (10) includes a pin (40) formed to the first end portion (10A) and a box (50) formed to the second end portion (10B). The pin (40) includes a pin contact surface (400) including a male screw portion (41), and the box (50) includes a box contact surface (500) including a female screw portion (51). The metal pipe (1) for an oil well according to the present disclosure further comprises a resin film (100) containing a resin, a solid lubricant powder, and copper phthalocyanine on at least one of the pin contact surface (400) and the box contact surface (500).