发明名称 ASPHALT-TAR-PARAFFIN DEPOSIT PREVENTION COMPOSITION
摘要 FIELD: oil production, particularly chemical means for preventing or limiting the deposition of paraffins or like substances in oil production equipment. ^ SUBSTANCE: composition includes surfactant, additive and solvent. Glycols and/or monoalkylphenyl polyethylene glycol esters are used as the surfactant. Polar electrolyte and acid amide are used as the additive. Above substances are taken in the following amounts (% by weight): glycols and/or monoalkylphenyl polyethylene glycol esters - 35-46, polar electrolyte and acid amide - 4-15, remainder is solvent. ^ EFFECT: prevention of asphalt-tar-paraffin deposit crystal growth by disintegration thereof and by hydrophilization of bottomhole equipment surfaces. ^ 1 ex, 3 tbl
申请公布号 RU2265119(C1) 申请公布日期 2005.11.27
申请号 RU20040119618 申请日期 2004.06.28
申请人 发明人 PAVLYCHEV V.N.;PROKSHINA N.V.
分类号 E21B37/06 主分类号 E21B37/06
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