Abstract
The article discusses the use of spent bleach clays in the formulation of grouting solutions injected into the space between the casing and the wall of the well. A grouting solution is proposed, including Portland cement; selected clay for the production of motor oils, a filtration step-downer (CMC), a plasticizer - saponified cotton tar, water or an aqueous solution of a setting time accelerator- sodium chloride, a defoamer.