TUBO DE METAL PARA POZO PETROLERO

• Main Author: OSHIMA, MASAHIRO KIMOTO MASANARI ANTOINE ALEXANDRE MUNOZ DANIEL
• Format: Patent
• Language: Spanish
• Published: 06.12.2023
• Subjects: BLASTING; CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; DIFFUSION TREATMENT OF METALLIC MATERIAL; 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; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; METALLURGY; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; THERMAL INSULATION IN GENERAL; WEAPONS

Se provee un tubo de metal para pozo petrolero que incluye una capa enchapada de aleación Zn-Ni que tiene elevada adherencia. Un tubo de metal para pozo petrolero de acuerdo con la presente divulgación incluye: un cuerpo principal de tubo que incluye un vástago que incluye una superficie de contacto del vástago que incluye una parte roscada externa y que está formada en una primera porción extrema, y una caja que incluye una superficie de contacto de la caja que incluye una parte roscada interna y que está formada en una segunda porción extrema; y una capa enchapada de aleación Zn-Ni que está formada en por lo menos una de, la superficie de contacto del vástago y la superficie de contacto de la caja. Las intensidades de difracción de rayos-X de la capa enchapada de aleación Zn-Ni satisfacen la fórmula (1). I₁₈ / (I₁₈ + I₃₆ + I₅₄) & Aquí, en la fórmula (1), I₁₈ se sustituye por una intensidad de difracción de rayos-X de {411} y {330}, I₃₆ se sustituye por una intensidad de difracción de rayos-X de {442} y {600}, y I₅₄ se sustituye por una intensidad de difracción de rayos-X de {552}, en unidades de cps. An oil-well metal pipe including a Zn-Ni alloy plating layer that has high adhesion is provided. An oil-well metal pipe according to the present disclosure includes: a pipe main body that includes a pin which includes a pin contact surface including an external thread part and which is formed at a first end portion, and a box which includes a box contact surface including an internal thread part and which is formed at a second end portion; and a Zn-Ni alloy plating layer which is formed on at least one of the pin contact surface and the box contact surface. The X-ray diffraction intensities of the Zn-Ni alloy plating layer satisfy Formula (1). I18/I18+I36+I54≥0.60Here, in Formula (1), in units of cps, an X-ray diffraction intensity of {411} and {330} is substituted for I18, an X-ray diffraction intensity of {442} and {600} is substituted for I36, and an X-ray diffraction intensity of {552} is substituted for I54.