COMPLEX TECHNOLOGY OF CLEANING OF BOTTOM-HOLE ZONE

oil and gas producing industry. SUBSTANCE: complex technology includes lowering into well of pipes, injection of reagents into interval of treatment and their holding for reaction, cleaning of formation and lifting of pipes. Cleaning of bottom-hole zone is carried out in several stages during one ro...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	PAZIN A.N, KARIMOV F.S, TKACHEV A.E
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DYES EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MINING MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PAINTS POLISHES
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