OIL-WELL METAL PIPE, AND METHOD FOR PRODUCING OIL-WELL METAL PIPE

• Main Authors: OCHIAI, MAMORU, ABE, TOMOKA, TOMIYASU, KEN, MATSUMOTO, KEISHI
• Format: Patent
• Language: English; French
• Published: 24.02.2022
• Subjects: BLASTING; CHEMISTRY; COMPOSITIONS BASED THEREON; ENGINEERING ELEMENTS AND UNITS; FUELS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; LUBRICANTS; LUBRICATING COMPOSITIONS; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; TECHNICAL GASES CONTAINING CARBON MONOXIDE; THEIR PREPARATION OR CHEMICAL WORKING-UP; THERMAL INSULATION IN GENERAL; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WEAPONS

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...