DISCONNECTOR (VERSIONS)

well drilling equipment used in lowering and cementing of liners. SUBSTANCE: disconnector has a body with lock unit in the form of collet with hooks, coupling funnel and flushing holes. Movable bushing is secured in coupling funnel by means of shearing members. Flushing holes are made in movable bus...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ASFANDIJAROV R.T, GALIKEEV I.A, ALEKSEEV V.A, AFRIDONOV I.F
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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