UNIT FOR SNAPPING BACK THE PIPES IN THE WELL

UNIT FOR SNAPPING BACK THE PIPES IN THE WELL

The unit for snapping back the pipes in the well comprises housing and hollow shaft in it, this has in the upper part means to connect to the pipe string; anchor node with installed in the housing arrester billets, rotation transformer with driving shaft, this is connected to the hollow shaft of the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TROTSKA YEVHENIA VASYLIVNA, TROTSKYI VASYL PYLYPOVYCH
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:The unit for snapping back the pipes in the well comprises housing and hollow shaft in it, this has in the upper part means to connect to the pipe string; anchor node with installed in the housing arrester billets, rotation transformer with driving shaft, this is connected to the hollow shaft of the housing and the driven shaft having in the lower part means for connection with pipes being extracted. The anchor node is made as a spring-supported movable piston placed inside the housing, the billets are installed at the outer surface of the housing by means of connection as dovetail with possibility of displacement in radial direction and interaction with the inner surface of the drive pipe at axial displacement of the rod.