FIELD: oil and gas production.
SUBSTANCE: invention relates to compositions for treating well bottom zone and performing water shutoff operations. Composition of invention contains 5-30% of naphthenic acid of its salt, 5-30% of an additional reagent (Galka-Termogel), and water. Composition can further contain water-dissolved calcium chloride in amounts 5 to 15%.
EFFECT: enhanced composition efficiency due to enabled gelation time and viscosity growth control, extended application area, and utilized petrochemical production waste.
2 cl, 1 tbl, 3 ex
| Title | Year | Author | Number |
|---|---|---|---|
| SEALING COMPOSITION | 2004 |
|
RU2270227C1 |
| CHEMICAL ADDITIVE FOR MEASURES TAKEN IN OPERATION OF OIL AND GAS WELLS | 2000 |
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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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| AERATED GROUTING MORTAR | 2006 |
|
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| METHOD OF TREATMENT AND DEMUDDING OF BOTTOM-HOLE ZONE OF DEVELOPMENT WELLS | 2000 |
|
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|
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| METHOD OF INCREASING OIL RECOVERY OF FORMATIONS | 2020 |
|
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| METHOD OF ELIMINATING LEAKAGE OF CASED COLUMN | 2007 |
|
RU2366801C2 |
| COMPOSITION OF REAGENT FOR DEVELOPMENT OF OIL FIELD BY FLOODING AND METHOD OF ITS APPLICATION | 2018 |
|
RU2693104C1 |
| METHOD FOR INCREASING THE PETROLEUM RECOVERY OF LAYERS | 2021 |
|
RU2772651C1 |
