METHOD OF REDUCING FILTRATES OF WASHING DRILLING AQUEOUS COMPOSITION

FIELD: chemical industry. SUBSTANCE: added is polysaccharide partially etherified by hydroxyethyl and/or hydroxypropyl as filtrate reducing agent for reducing filtrate of washing drilling aqueous composition comprising mixed metal hydroxides based on clay minerals. EFFECT: more efficient filtrate re...

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Bibliographische Detailangaben
1. Verfasser:	JOKHANN PLANK
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DYES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES
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Zusammenfassung:	FIELD: chemical industry. SUBSTANCE: added is polysaccharide partially etherified by hydroxyethyl and/or hydroxypropyl as filtrate reducing agent for reducing filtrate of washing drilling aqueous composition comprising mixed metal hydroxides based on clay minerals. EFFECT: more efficient filtrate reducing method. 13 cl, 1 tbla