Oil Well Metal Pipe

Abstract: Provided is an oil-well metal pipe that has an excellent anti-seize property, and is capable of keeping a threaded joint from loosening even when screwing and unscrewing are repeated. An oil-well metal pipe (1) according to the present disclosure comprises a pipe body (10) including a first end portion (10A) and a second end portion (10B). The pipe body (10) includes a pin (40) formed at the first end portion (10A), and a box (50) formed at the second end portion (10B). The pin (40) includes a pin contact surface (400) including a male thread portion (41). The box (50) includes a box contact surface (500) including a female thread portion (51). The oil-well metal pipe (1) further comprises a resin coating film (100) formed as an uppermost layer on at least one of the pin contact surface (400) and the box contact surface (500). The resin coating film (100) includes an epoxy resin, and an organic carboxylic acid.

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