HINGE COUPLING OF DRILLING STRING

A hinge coupling of drilling string has hollow body with profile surface arranged of three flats, the upper toe with the outer reboring, the lower toe, support toe with spherical and profile parts, wedge, this is installed in wedge-like reboring of one of the flats, means for tightening the muff as...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	RUDENKO IHOR SERHIIOVYCH, NIKITENKO VOLODYMYR DMYTROVYCH, PATSERA TAMARA OLEKSANDRIVNA, TKACHENKO VALERII PAVLOVYCH
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	A hinge coupling of drilling string has hollow body with profile surface arranged of three flats, the upper toe with the outer reboring, the lower toe, support toe with spherical and profile parts, wedge, this is installed in wedge-like reboring of one of the flats, means for tightening the muff as circular tightening elements installed between the lower toe and the body and the spherical part of the toe.