DOWNHOLE SCALE REMEDIATION ABOVE A DOWNHOLE SAFETY VALVE

Scale remediation at or around a downhole safety valve (DSV), including the volume of a wellbore in a subterranean formation above the DSV. Wellbore fluid is displaced using a gas, the DSV is closed, the gas is released, and a treatment fluid comprises a base fluid and a scale-removal agent is allow...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHOUDHARY, Yogesh Kumar, MEBRATU, Amare Ambaye
Format:	Patent
Sprache:	eng ; fre
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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