LEAKPROOF SCREWED CONNECTION OF OIL-FIELD PIPES

FIELD: oil and gas industry. ^ SUBSTANCE: leakproof screwed connection of oil-field pipes includes male and female pipes with tapered threads, and sealing and stop surfaces. Sealing surfaces are provided on outer surface of male pipe end section and on inner tapered surface of female pipe, in the se...

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Bibliographische Detailangaben
Hauptverfasser:	SHCHERBAKOV BORIS JUR'EVICH, EMEL'JANOV ALEKSEJ VIKTOROVICH, EMEL'JANOV JURIJ FEDOROVICH, SIDORENKO PAVEL NIKOLAEVICH, URAZOV NIKOLAJ VASIL'EVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	BLASTING 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 JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	FIELD: oil and gas industry. ^ SUBSTANCE: leakproof screwed connection of oil-field pipes includes male and female pipes with tapered threads, and sealing and stop surfaces. Sealing surfaces are provided on outer surface of male pipe end section and on inner tapered surface of female pipe, in the section between tapered thread and pipe body. Stop surfaces are provided on male pipe in the form of tapered end surface with taper angle of 5°