METHOD OF FABRICATION OF PUMP BARS

FIELD: oil and gas industry. ^ SUBSTANCE: invention refers to oil production equipment, particularly to methods of fabrication of pump bars. The method of fabrication of pump bars consists in heating ends of stock of round bar for punching heads of the pump bar, in punching heads of the pump bar, in...

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Bibliographische Detailangaben
Hauptverfasser:	AKHMADIEV NAIL' ANVAROVICH, VALOVSKIJ KONSTANTIN VLADIMIROVICH, VALOVSKIJ VLADIMIR MIKHAJLOVICH, BILALOV MARAT KHAMMATOVICH, KLIMOV VLADIMIR ALEKSANDROVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL CHEMISTRY EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY METALLURGY OF IRON MINING MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING
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