FIELD: oil and gas production. SUBSTANCE: additive that can be used to prevent formation of asphalt-tarparaffin deposits and corrosion of metal in oil-field equipment contains, wt %: neonol 1-2, sodium sulfonate 6-8, triethanolamine 2-3, sodium hydroxide 0.8-1.3, water 1.0-1.5, tallow oil 11-12, and phenol purification extract - the balance. EFFECT: improved rheological properties of paraffin-rich oil and reduced formation of deposits and metal corrosion. 6 tbl, 3 ex
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Authors
Dates
2004-02-27—Published
2002-11-11—Filed