METHOD OF PREPARING INVERTED OIL-ACID EMULSION FOR TREATMENT OF WELL BOTTOM ZONE
FIELD: oil and gas production. ^ SUBSTANCE: method comprises mixing distillate-type solvent for petroleum wax, emulsifier "YALAN-E-1", and 22-24% aqueous solution of inhibited hydrochloric acid, which are charged to a vessel. Thereafter, hydrochloric acid solution is pumped out of the vess...
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| creator | KHANNANOV RUSTEHM GUSMANOVICH IBRAGIMOV NAIL' GABDULBARIEVICH JUSUPOV BULAT NAZIPOVICH VALEEV MUDAIR KHAJEVICH |
| description | FIELD: oil and gas production. ^ SUBSTANCE: method comprises mixing distillate-type solvent for petroleum wax, emulsifier "YALAN-E-1", and 22-24% aqueous solution of inhibited hydrochloric acid, which are charged to a vessel. Thereafter, hydrochloric acid solution is pumped out of the vessel from below while distillate is pumped out from above. Hydrochloric acid solution and distillate are then directed by different pumps to disperser and therefrom to the top of the vessel. Acid discharge pump is 2-3 times less efficient than distillate discharge pump. Mixing is effected at temperature from -15°C to +30°C in emulsion. ^ EFFECT: improved ability of oil-acid emulsion of washing out muding compounds from bottom zone. ^ 1 dwg |
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Thereafter, hydrochloric acid solution is pumped out of the vessel from below while distillate is pumped out from above. Hydrochloric acid solution and distillate are then directed by different pumps to disperser and therefrom to the top of the vessel. Acid discharge pump is 2-3 times less efficient than distillate discharge pump. 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| language | eng ; rus |
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| subjects | 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 | METHOD OF PREPARING INVERTED OIL-ACID EMULSION FOR TREATMENT OF WELL BOTTOM ZONE |
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