SEPARATE MAINTENANCE PROCESS FOR INJECTION OR PRODUCTION WELL AND IMPLEMENTATION VARIANTS

FIELD: mining. ^ SUBSTANCE: process involves consequential downtake of two pipe strings of larger and smaller diameter, placed one into another, into injection, flowing, pumping or gaslift well. Pipe string of larger diameter is equipped with at least one packer and one bypass group or element for s...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MOKRYJ MIKHAIL VASIL'EVICH, SOROKIN VIKTOR VIKTOROVICH, GARIPOV OLEG MARSOVICH, MAMEDOV VADIM EHL'DAROVICH, LEONOV VASILIJ ALEKSANDROVICH, SHARIFOV MAKHIR ZAFAR OGLY, AZIZOV KHUBALI FATALI OGLY, SOKOLOV ALEKSEJ NIKOLAEVICH, VORONIN PAVEL PETROVICH, KRIVOVA NADEZHDA RASHITOVNA, DADASHOV ZAUR DADASH OGLY
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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