FIELD: oil and gas industry.
SUBSTANCE: compound for oil recovery factor improvement including aluminium chloride, carbamide, additive and water contains aluminium chloride of A-5 brand, carbamide of A brand and silicone fluid GKZH-11N as an additive with the following ratio of components, wt %: industrial aluminium chloride of A-5 brand 20-45, carbamide of A brand 25-40, GKZH-11N 1.0-5.0, water - the remaining share.
EFFECT: improving oil recovery factor of formations with high formation temperature due to redistribution of seepage flows, increasing sweep efficiency.
2 ex, 1 tbl
| Title | Year | Author | Number |
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RU2529975C1 |
