DRILLING AGENT

FIELD: oil and gas industry. ^ SUBSTANCE: invention is related to the field of oil and gas industry, namely, to drilling agents for opening of producing reservoir bed. Drilling agent contains following components, wt %: biopolymer xanthan of brands "Saraksan-T" or "Saraksan" 0.2-...

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Hauptverfasser:	DERJABIN VLADIMIR VIKTOROVICH, KAZARJAN VALENTINA PETROVNA, KHUSAINOV NAIL' IL'GIZOVICH, KHVOSTOVA VERA JUR'EVNA
Format:	Patent
Sprache:	eng ; rus
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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creator	DERJABIN VLADIMIR VIKTOROVICH KAZARJAN VALENTINA PETROVNA KHUSAINOV NAIL' IL'GIZOVICH KHVOSTOVA VERA JUR'EVNA
description	FIELD: oil and gas industry. ^ SUBSTANCE: invention is related to the field of oil and gas industry, namely, to drilling agents for opening of producing reservoir bed. Drilling agent contains following components, wt %: biopolymer xanthan of brands "Saraksan-T" or "Saraksan" 0.2-0.7; alpha-glucan 0.2-0.8; salt or mixture of salts of univalent metals 1-55; defoaming agent of brand "Sofeksil-9056-20x" 0.01-0.2; bactericide of brand biocide B-2 0.006-0.008; bactericide of brand biocide SMB 0.1-0.5; water - the rest. As alpha-glucan, modified starch or dextran is used. As salts of univalent metals, chlorides or nitrates, or nitrites, or thiosulfates, or carbonates, or acetates, or bromides, or sodium or potassium formates, or their mixtures are used. ^ EFFECT: preparation of drilling agent with adjusted density without solid phase, which preserves its rheological properties for a long time. ^ 4 cl, 4 tbl, 4 ex
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subjects	ADHESIVES CHEMISTRY DYES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES
title	DRILLING AGENT
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