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
Schlagworte:	BLASTING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ENGINEERING ELEMENTS AND UNITS FUELS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS 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
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