FIELD: construction.
SUBSTANCE: invention is related to compositions for treatment of well bottom zone with the purpose to clean them from substances of various nature, increased oil recovery of headers. Composition comprises sodium or potassium naphthenate and 12-14% water solution of hydrochloric acid at mass ratio of components 1:1.
EFFECT: increased efficiency of well due to increased permeability of bed.
4 tbl, 6 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF TREATMENT AND DEMUDDING OF BOTTOM-HOLE ZONE OF DEVELOPMENT WELLS | 2000 |
|
RU2172824C1 |
| METHOD FOR WELL BOTTOM ZONE TREATMENT | 2004 |
|
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| METHOD OF FORMATION OF TEMPORARY BARRIER IN FILTER ZONE OF DEVELOPMENT WELL AND EQUALIZATION OF INJECTIVITY PROFILE OF INJECTION WELLS | 2000 |
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| METHOD OF THERMOFOAM-ACID TREATMENT OF NEAR-WELL ZONE OF CARBONATE RESERVOIR | 2016 |
|
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| METHOD FOR PROCESSING BOTTOMHOLE FORMATION ZONE | 2014 |
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| METHOD OF INJECTION WELL TREATMENT | 2000 |
|
RU2196222C2 |
| METHOD OF INTENSIFICATION OF OIL PRODUCTION EMPLOYING COMPOSITION "GTK-100" | 2007 |
|
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| METHOD FOR PROCESSING THE BOTTOM-HOLE ZONE OF A PRODUCTIVE LAYER SATURATED WITH HYDROCARBONS WITH RESIDUAL HIGHLY MINERALISED PORE WATER | 2020 |
|
RU2757456C1 |
| METHOD OF TREATMENT OF BOTTOM-HOLE ZONE WITH CHEMICAL REAGENT | 2000 |
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| COMPOSITION FOR TREATMENT OF BOTTOMHOLE CARBONATE FORMATION ZONE | 2003 |
|
RU2254463C1 |
