DEVICE FOR LIQUIDATION OF DRILL LINE FREEZING

A device for releasing of drill stem stuck wherein the rod is placed in axial openings of the dressing block and the partition connected to the body in the lower adapter of which seat of back valve in installed, radial openings in the body are placed over the dressing block, ledge of the body is pla...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	PARFENIUK SERHII MYKOLAIOVYCH, SAHAIDAK IHOR DMYTROVYCH, DERIAHINA DARIA ANATOLIIVNA, RIAZANOV ANDRII MYKOLAIOVYCH, KARAKOZOV ARTUR ARKADIIOVYCH
Format:	Patent
Sprache:	eng ; rus ; ukr
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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