COMPOUND FOR SELECTIVE ISOLATION OF WATER INFLOWS IN OIL WELLS

FIELD: oil production industry. SUBSTANCE: compound can be used for partial selective isolation of water-bearing part of productive oil bed. Compound has following components: polyacrylamide 0.5-2.0%, condensed sulphite-alcohol residue or lignosulphonate 0.75-1.5%, sodium or potassium bichromate 0.0...

Full description

Saved in:
Bibliographic Details
Main Authors DZHAFAROV I.S, MAMEDOV B.A, OSIPOV M.L, SHARIFULLIN F.A, ZAZIRNYJ D.V
Format Patent
LanguageEnglish
Published 10.09.1999
Edition6
Subjects
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
Online AccessGet full text

Cover

More Information
Summary:FIELD: oil production industry. SUBSTANCE: compound can be used for partial selective isolation of water-bearing part of productive oil bed. Compound has following components: polyacrylamide 0.5-2.0%, condensed sulphite-alcohol residue or lignosulphonate 0.75-1.5%, sodium or potassium bichromate 0.02-0.05%, wood flour 1.0-4.0%, sodium silicate 2.0-8.%. Application of aforesaid compound increases efficiency of isolating water inflows together with improvement of collecting properties of oil part of productive bed. EFFECT: higher efficiency. 2 tbl
Bibliography:Application Number: RU19990100001