HIGHLY-TIGHT SCREW JOINT

The invention relates to building oil and gas wells and can be used in casing strings and tubings. The inventive highly-tight screw joint comprises internal and external mating elements with conical surfaces. The internal and external elements are provided withh a thread. Said thread has supporting...

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Bibliographische Detailangaben
Hauptverfasser:	YEMELIANOV YURII FEDOROVYCH, YEMELIANOV OLEKSII VIKTOROVYCH, SCHERBAKOV BORYS YURIIOVYCH, LEFLER MYKHAILO NOEKHOVICH, ZASLAVSKYI ALEKSANDR VLADIMIROVUCH, SYDORENKO PAVLO MYKOLAIOVYCH, ALDOKHIN VLADIMIR PETROVICH
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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