DELAYED-ACTION ACID AND GELLING COMPOSITION
FIELD: oil producing industry, particularly, compositions based on hydrochloric acid for treatment of carbonate and carbonate-containing formations of oil deposits. SUBSTANCE: delayed-action acid and gelling composition has aluminosilicate, lignosulfonate and hydrochloric acid with the following rat...
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Main Authors | , , , |
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Format | Patent |
Language | English Russian |
Published |
10.12.2002
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Abstract | FIELD: oil producing industry, particularly, compositions based on hydrochloric acid for treatment of carbonate and carbonate-containing formations of oil deposits. SUBSTANCE: delayed-action acid and gelling composition has aluminosilicate, lignosulfonate and hydrochloric acid with the following ratio of components, mas.%: aluminosilicate (in terms of dry matter), 0.5-10.0; lignosulfonate (in terms of dry matter), 0.5-10.0; hydrochloric acid, the balance. Used in composition may be natural or synthetic aluminosilicate, including process wastes; may be also used nepheline, synthetic zeolites, wastes of zeolite production - zeolite slimes, high-alumina cement, etc. EFFECT: higher efficiency of treatment of carbonate reservoirs. 5 tbl, 5 ex |
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AbstractList | FIELD: oil producing industry, particularly, compositions based on hydrochloric acid for treatment of carbonate and carbonate-containing formations of oil deposits. SUBSTANCE: delayed-action acid and gelling composition has aluminosilicate, lignosulfonate and hydrochloric acid with the following ratio of components, mas.%: aluminosilicate (in terms of dry matter), 0.5-10.0; lignosulfonate (in terms of dry matter), 0.5-10.0; hydrochloric acid, the balance. Used in composition may be natural or synthetic aluminosilicate, including process wastes; may be also used nepheline, synthetic zeolites, wastes of zeolite production - zeolite slimes, high-alumina cement, etc. EFFECT: higher efficiency of treatment of carbonate reservoirs. 5 tbl, 5 ex |
Author | KHLEBNIKOV V.N AKHMADISHIN R.Z TAKHAUTDINOV R.SH OVCHINNIKOV R.V |
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DocumentTitleAlternate | ЗАМЕДЛЕННЫЙ КИСЛОТНЫЙ И ГЕЛЕОБРАЗУЮЩИЙ СОСТАВ |
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Snippet | FIELD: oil producing industry, particularly, compositions based on hydrochloric acid for treatment of carbonate and carbonate-containing formations of oil... |
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SubjectTerms | 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 |
Title | DELAYED-ACTION ACID AND GELLING COMPOSITION |
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