COMPOSITION FOR PREPARING DETERGENT FLUSH FLUID Russian patent published in 2011 - IPC C09K8/40 

FIELD: chemistry.

SUBSTANCE: invention relates to oil and gas well casing, particularly to a composition for preparing flush fluid having detergent properties. The composition for preparing the detergent flush fluid contains the following, wt %: sodium tripolyphosphate 79.4-89.3, calcined soda 10.0-20.0, nitrilotrimethylphosphonic acid 0.5-0.8.

EFFECT: high detergent power of the flush fluid in the presence of petroleum and oil films on the walls of columns and wells, as well as high adhesion of the stone-cement motar.

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