APPLIANCE FOR TIGHTENING THE WELL HEAD

Appliance for tightening the well head has cylindrical housing with flanges, in which there are installed in sequence ring tightening elements with central axial channels and rings. To increase reliability of operation of the appliance, the lower with respect to the well head tightening element is m...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Lenkevych Yurii Yevhenovych, Ditkovskyi Anatolii Viktorovych, Rymchuk Danylo Vasyliovych, Bondariev Viktor Artemovych
Format:	Patent
Sprache:	eng ; rus ; ukr
Online-Zugang:	Volltext bestellen
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