METHOD FOR CASING STRINGS TIGHTNESS RECOVERY AND DEVICE FOR ITS IMPLEMENTATION

FIELD: oil industry.SUBSTANCE: group of inventions relates to oil and gas industry, in particular, to remedial cementing at recovery of casing strings tightness. Method involves covering the leakage zone from inside with a deformed pipe as a casing patch liner, and its expansion along the whole leng...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Dulskij Oleg Aleksandrovich, Fajzullin Rasikh Nafisovich, Ismagilova Alsu Ildusovna, Aukhadeev Rashit Ravilovich, Murtazin Farid Raisovich
Format:	Patent
Sprache:	eng ; rus
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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