Modifier for preventing bittern scaling
A modifier and brine technology, applied in the field of oil field development, can solve the problems of formation scaling, aggravation, plugging and corrosion, etc., and achieve the effects of strong flowback ability, low consumption and cost saving
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[0027] The present embodiment provides a kind of modifying agent that prevents bittern fouling, and its component quality formula is composed of: 10-20 parts of tetrasodium 2-phosphonic acid butane-1,2,4-trihydroxy acid; sodium polyacrylate 5 -10 parts; 2-3 parts of coconut acid diethanolamide; 0.2-0.5 parts of polyether modified silicon; the rest is water (distilled water).
[0028] For example, the component quality formula composition of the modifying agent for preventing bittern scaling is specifically: 20 parts of tetrasodium 2-phosphonic acid butane-1,2,4-trihydroxy acid, 5 parts of sodium polyacrylate, coconut 2 parts of oleic acid diethanolamide, 0.5 parts of polyether modified silicon, 72.5 parts of distilled water. During application, prepare 5 kg of the modifier for preventing brine scaling according to the composition mass formula, mix the modifier for preventing brine scaling into the brine workover fluid according to the ratio of 1%, and use the cement truck with...
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