FIELD: oil production industry. SUBSTANCE: compound relates to compositions intended for generating overall action upon fluids being recovered. Compound contains following components, mas.%: nitrilotrimethylphosphonic acid or hydroxyethylidendiphosnic acid, 5-75; oil bitumen construction grade, the balance. Application of aforesaid compound increases efficiency of protecting oil field equipment from affection by sand and depositions delivered to surface. EFFECT: higher efficiency. 4 tbl
| Title | Year | Author | Number |
|---|---|---|---|
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