MINERAL SALT DEPOSIT-PREVENTING COMPOSITION Russian patent published in 2004 - IPC

Abstract RU 2230766 C1

FIELD: oil and gas production.

SUBSTANCE: water- or ethylene glycol-based composition preventing deposits of mineral salt in pump and oil-field equipment contains 0.1 to 0.125 wt % polyaminomethylphosphonic acid and 0.375 to 0.9 wt % polyacrylic acid sodium salt.

EFFECT: achieved efficiency at lower cost price being, in addition, appropriate to be injected under oil production conditions into well operated at any pressure, at any formation permeability, and at any degree of watering.

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RU 2 230 766 C1

Authors

Perekupka A.G.

Elizarova Ju.S.

Tarasov M.Ju.

Dates

2004-06-20—Published

2002-11-27—Filed